1.
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Witzany, J.
Long-term research has proven that the core of Charles Bridge shows a high moisture content by weight and is contaminated by soils (sulphates, nitrates, chlorides), which [...]
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2.
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Benčat, J.
The subject of the paper is the dynamic behaviour and expected wind response of the steel water tank tower. Full scale dynamic measurements were performed on the lattice [...]
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3.
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Bayer, Zdeněk
Abstrakt: Příspěvek se zabývá modelováním stavového a termodynamického chování plynu v kavitačních bublinách. Po nedávné prezentaci modelu M3, předpoklá [...]
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4.
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Abstrakt: U řady konstrukčních systémů lze během provozu připustit určitý počet poruch. Predikce životnosti s použitím deterministických postupů je prakti [...]
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5.
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Bubák, Antonín
Abstrakt: V příspěvku je prezentován model třecí funkce, který byl odvozen pro sinusový pohyb NC osy obráběcího stroje s valivým vedením při kruhové interp [...]
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6.
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Červinka, Dalibor
Abstrakt: Článek se zabývá problematikou sdruženi funkce startéru a alternátoru do jediného stroje, tzv. startérgenerátoru přímo na klikovém hřídeli spalov [...]
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7.
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Cery, Jan
Abstrakt: V příspěvku jsou studovány zákonitosti při šíření harmonické elastické vlny v kubickém prostředí. Nejprve jsou odvozeny vztahy pro fázové rychl [...]
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8.
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Abstrakt: Předkládaný příspěvek se zabývá tvorbou zjednodušeného matematického modelu pneumaticky poháněného biomedicínského membránového čerpadla na z [...]
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9.
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Daněk, V.
Abstrakt: The results oj computational estimations oj deviation histories oj aircraft pitching control in dependence on jlight regime at steady horizontal jlight are pres [...]
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10.
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Abstrakt: V příspěvku jsou uvedeny výsledky akustické modální analýzy výpočetního modelu vokálního traktu člověka, který odpovídá fonaci české samohl [...]
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11.
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Doležal, Zdeněk
Abstrakt: V příspěvku jsou uvedeny ukázky výsledků měření dynamických vlastností reduktoru leteckého turbovrtulového motoru M601, získané v rámci vývojov [...]
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12.
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Abstrakt: V posledných rokoch vystupuje čoraz viac do popredia problematika aktívneho riadenia kmitania mechanických sústav, a to najma v oblasti potláčania kmitan [...]
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13.
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Abstrakt: Cílem našeho výzkumu bylo sestavení nelineární závislosti úhlu rozevření na věku člověka, zjištění závislosti napěťově deformačních charak [...]
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14.
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Abstrakt: Základním prvkem lidského sluchového orgánu, který zajišťuje frekvenční analýzu zvuku, je tzv. cochlea (hlemýžď). Tento článek se zabývá kone [...]
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15.
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Kalous, Jaroslav
Abstrakt: V příspěvku je uveden jednak model vznětového motoru a jednak model synchronního generátoru s permanentními magnety s identifikací jejich parametrů. M [...]
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16.
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Abstrakt: V příspěvku jsou prezentovány výsledky lineární elastické lomové mechaniky V-vrubů. Jsou formulovány obecné podmínky stability V-vrubů a diskutov [...]
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17.
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Kořenář, Josef
Abstrakt: Při pulzačním proudění v trubicích v blízkosti přechodové oblasti mezi laminárním a turbulentním režimem proudění vznikají v kapalině krátkodo [...]
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18.
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Abstrakt: Problematice rázových dějů v technických soustavách je věnována v inženýrské praxi soustavná pozornost. Okolnosti jejich vzniku a průběhu jsou ale [...]
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19.
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Abstrakt: Předkládaný příspěvek se zabývá problematikou optimalizace vlastností magnetické spojky, která je v uspořádání s vnějším rotorem s permanentn [...]
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20.
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Frantík, Petr
Abstrakt: Úloha pokritického vzpěru přímého prutu je řešena dynamickou metodou. Prut se statickým zatížením je modelován jako nelineární disipativní dynam [...]
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21.
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Abstrakt: Příspěvek poukazuje na změnu chování cévní stěny při změnách tlaku, objemového toku a tepové frekvence. Je diskutován způsob modelování vněj [...]
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22.
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Abstrakt: Materiál na bázi alkalicky aktivovaných alumosilikátů, zastoupených vysokopecní granulovanou struskou, sloužil pro výrobu vzorků, které byly po 28 dn [...]
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23.
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Miček, Pavel
Abstrakt: Při vytváření neuro-fuzzy modelů je možné narazit na obtíže spojené s existencí singularity v oblasti popisované modelem. Model je pak v oblasti sin [...]
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24.
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Abstrakt: Příspěvek se zabývá matematickými modely levitačního elektromagnetu. Magnetická levitace v dopravě nebo v magnetických ložiskách vyžaduje polohovo [...]
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25.
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Abstrakt: Článek pojednává o experimentálním vyšetřování aerodynamického profilu hlasivek člověka při fonačním postavení. Při experimentech in vitro byl [...]
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26.
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27.
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28.
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29.
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30.
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Kršek, Přemysl
Abstrakt: Při automatické tvorbě MKP modelů lidských tkání z CT/MR dat je kvalita sítě jednou z nejdůležitějších charakteristik, které ovlivňují jejich p [...]
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31.
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Porteš, Petr
Abstrakt: V příspěvku jsou presentovány výsledky prácí, jejíchž cílem bylo, na základě změřených signálů získat co nejúplnější informaci o pohybu vo [...]
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32.
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The aim of this contribution is to investigate aggregation efficiencies when high (G= 260 s-1) and low (G= 60 s-1) intensity agitation is applied for a treatment of surfa [...]
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33.
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Pavlenko, M. V.
The present article describes the results of research related to vibration wave impact on the coal array and the coal seam in particular, which is used to increase the me [...]
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34.
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Japan Prestressed Concrete Engineering Association set up the technical committee on "Application of High Strength Prestressing Tendons to Prestressed Concrete Structures [...]
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35.
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Fiber Reinforced Concrete (FRC) can improve not only mechanical properties but also durability due to reduced crack width by fiber bridging effect. From the view point of [...]
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36.
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Abstrakt: Příspěvek popisuje koncepci měřícího boxu, vyvíjeného na ÚK FSI VUT v Brně pro účely snímání dynamických parametrů jedoucího vozidla. K měř [...]
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37.
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Fuis, Vladimír
Abstrakt: Příspěvek se zabývá problematikou napjatosti v keramické hlavici totální kyčelní endoprotézy nasazené na dřík a zatížené šikmým zatížením. [...]
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38.
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Abstrakt: V tomto příspěvku je popsána struktura soustavy pro simulaci, optimalizaci a on-line řízení mechatronických systémů s pohony krokovými motory. Cílem [...]
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39.
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Abstrakt: V práci je odvozena přenosové matice tlumících účinků v závislosti na paměťové funkci kapaliny, druhé viskozitě a modelu standardního tělese tru [...]
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40.
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Abstrakt: Hydraulická ložiska jsou speciálním typem strojních soustav, která se v praxi poměrně často vyskytují. Na rozdíl od hydrodynamických tlumičů se ve [...]
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41.
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Abstrakt: V příspěvku je uvedena analýza vlivů různých okrajových podmínek na přítoku a odtoku tekutiny v hydraulických vazebných elementech rotorových sous [...]
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42.
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Abstrakt: Příspěvek se zabývá srovnáním klinických výsledků femorální endoprotézy CF-3D s deformačně napěťovou analýzou této endoprotézy. Deformačně [...]
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43.
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Abstrakt: Příspěvek seznamuje s metodickým přístupem k problematice posuzování odolnosti prosklených zadních dveří osobních vozidel proti destrukčnímu ráz [...]
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44.
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Abstrakt: Cílem této práce bylo, na základě požadavku klinické praxe, vyšetřit vztah mezi úhlem sklonu jamky při dané anteverzi a možností rizika poškozen [...]
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45.
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Abstrakt: The distribution of the intermittency factor r is discussed in the case of boundary layer by-pass transition. Taking into consideration the turbulent outer stre [...]
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46.
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Langr, Zdeněk
Abstrakt: Článek se zabývá problematikou elektromechanické náhrady setrvačniku spalovacího motoru v systému startérgenerátor-spalovací motor nebo v hybridnim [...]
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47.
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Abstrakt: V příspěvku je stručně popsána metodika měření a uvedeny některé výsledky, získané při měření zbytkových napětí v železničních nápravá [...]
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48.
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Marada, Tomáš
Abstrakt: Tento článek obsahuje numerické experimenty, popisujicí nastaveni parametrů Q-učeni pro řízeni asynchronniho elektromotoru. Citem je stanovit velikost a [...]
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49.
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Patočka, Miroslav
Abstrakt: Článek se zabývá problematikou parazitních ložiskových proudů v elektrických strojích. Důraz je kladen na jýzikální mechanismus poškození ložis [...]
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50.
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Abstrakt: Článek se zabývá návrhem struktury řízení elektromagnetů pro magnetickou levitaci a zvláště magnetů pro magnetická ložiska. Na základě vlastnos [...]
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51.
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Přikryl, Karel
Abstrakt: Pomocí metody konečných a hraničních prvků a výpočtového modelování je zkoumána směrovost a akustický výkon lidské lebky při fonaci. Buzení se [...]
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52.
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Abstrakt: Příspěvek představuje výsledky numerické simulace hydraulického tlumiče s řízením ve vodítku, u něhož je velikost obtokového proudu regulována p [...]
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53.
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Abstrakt: V práci jsou uvedeny vztahy pro měřeni druhé viskozity málo stlačitelných tekutin, pro které platí $\rho(x,t)=\rho_0+\tilde{\rho}(x,t),\tilde{\rho}=\rh [...]
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54.
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Polach, P.
ŠKODA OSTROV Ltd. will introduce composite doors into the vehicles of its basic production program in the nearest future. Verification of the applicability of their sup [...]
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55.
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Tůma, Jiří
Abstrakt: Referát se zabývá měřením chyby převodu soukolí ozubených kol v převodovce při provozních podmínkách, což znamená provozním zatížením a otá [...]
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56.
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Cracking behavior of lime mortar renders subjected to shrinkage is numerically investigated by the finite element method (FEM). The render materials selected for the stud [...]
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57.
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The frequency course of mechanical impedance, or mobility is very convenient for the diagnosis of structures. Based on their analysis both the mechanical and geometrical [...]
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58.
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Abstrakt: A great intention is lately focused on Reinforcement Learning (RL) methods. The article is focused on improving model free RL method known as Q-Iearning algorit [...]
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59.
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Abstrakt: Possible discretization technique oj the continuous state space oj Jour-Iegged robot using simultaneous compositions oj behaviors is described in this contribut [...]
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60.
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Abstrakt: Předložená práce se zabývá problematikou napjatosti a deformace konstrukčních prvků typu tenkostěnných nosníků s otevřeným příčným průřezem [...]
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61.
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Abstrakt: Příspěvek se zabývá napjatostně deformační analýzou degenerovaného páteřního prvku, přičemž degenerace může být způsobena jak v důsledku ú [...]
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62.
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Hlaváček, Miroslav
Abstrakt: The synovial film filtration by articular cartilage in the human ankle joint loaded by a cyclical loading (similar to that in walking) is analyzed. The cartilag [...]
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63.
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Machát, Miroslav
Abstrakt: Příspěvek se zabývá srovnanzm dvou metod, které se používají k určení křivky přirozeného deformačního odporu z experimentálně zjištěných da [...]
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64.
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Abstrakt: Článek prezentuje výsledky experimentálního výzkumu chování vlnovcové dvouvlnové pneumatické pružiny při kvazistatickém osovém a mimoosovém zat [...]
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65.
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Pešek, Luděk
Abstrakt: Pro identifikace parametru slabych nelinearit disipacnich vrstev byly rozsireny stavajici numericke metody a odladeny numericke programy pro pripad nelinearniho [...]
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66.
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Polanský, Jiří
Abstrakt: Besides chemical factors, those of a physical nature are considered today as also being capable of influencing negatively the progress of arteriosclerosis, for [...]
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67.
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Šlechtová, Marcela
Abstrakt: Příspěvek se zabývá deformačně - napjatostní analýzou páteřního prvku s aplikovaným krčním fixátorem. Deformačně - napjatostní analýza je ř [...]
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68.
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Abstrakt: Commutator is an important part of direct-current electromotor, the function of which is to swith single windigs of its rotor. Presented paper is focused on imp [...]
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69.
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Stříž, B.
Abstrakt: V článku je uvedena metoda výpočtu svěrne1w tlaku textilie měřením plošné deformace textilie a hlavních poloměru křivosti pokožky těla ve zkouman [...]
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70.
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Abstrakt: Chlazení a ventilace elektrických strojů je v součastné době samostatná disciplina stavby elektrických strojů, která používá speciální analytick [...]
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71.
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Abstrakt: After mixing kaolin with water attractive and repulsive forces between kaolin particles initiate process of coagulation and peptisation, respectively. The coagu [...]
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72.
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Abstrakt: The paper describes methods of hard cutting spiral bevel and hypoid gears. From the G leason system TAN -TR U method and conventional generating methods using c [...]
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73.
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Zapoměl, Jaroslav
Abstrakt: Rotors belong to the most frequently used components of machine devices. In a number of cases they are coupled with the stationary part through hydrodynamical b [...]
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74.
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Abstrakt: A parametric optimization of the gearbox in steady vibration excited by gear kinematics transmission errors is presented. The process is based on the gearbox de [...]
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75.
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Frantík, P.
Hypothesis about dynamical process of stability loss of high symmetrical von Misses truss in the state of unsymmetrical stress is verified by simulation of discrete nonli [...]
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76.
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Vertical dynamic properties of the ŠKODA 21 Tr low-floor trolleybus were investigated on an artificial test track when driving with a real vehicle and when simulating dr [...]
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77.
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Trávníček, Z.
Vortex shedding from a bluff body is a classical problem as well as an exciting challenge for fluid mechanics. Since the time of Prof. Strouhal at the end of the 19th cen [...]
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78.
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Failure of a high ductile specimen usually precedes a decrease of the loading force (material softening) under the condition of displacement control in the monotonic load [...]
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79.
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One possibility how to decrease lateral vibration of rotors excited by imbalance of the rotating parts is to couple the shaft with the stationary part through squeeze fil [...]
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80.
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This report documents the first part of research supported by the grant of Ministry of Industry and Trade of Czech Republic. The holder of grant is Aeronautical Research [...]
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81.
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This contribution is consider with computational modelling of oil film flow stability in long lemon, offset and lemon-offset uncavitated bearings. In this contribution is [...]
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82.
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Total knee and hip implants are usually designed for the static load of standing man, but the static load is not extreme. The top of research is to search extreme values [...]
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83.
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This work is focused on the subgrid modeling in Large Eddy Simulation. The work contains the description of the most used subgrid models including Smagorinsky model, dyna [...]
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84.
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In this paper, a new description of intracellular Ca2+ dynamics in the model of rat ventricular cardiomyocyte is presented. The principal modifications based on the recen [...]
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85.
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Potěšil, A.
Efficient manufacture of artificial leathers of extensive and complicated shapes in the company Magna Exteriors & Interiors (Bohemia), s.r.o., used for example in san [...]
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86.
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This paper describes the sustainable aspects for a major bridge rehabilitation through an innovative structural system. To meet this challenge, the design team has select [...]
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87.
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88.
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89.
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90.
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With the view to make steel bridge structures more competitive, it is indispensable to look for some ways such as to reduce the price of their fabrication, an important r [...]
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91.
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Abstrakt: Článek se zaměřuje na řešení torzního testu pro krátký ocelový vzorek. V průběhu řešení bylo respektováno uchycení v čelistech zkušebního s [...]
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92.
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Jirouš, F.
Abstrakt: It is shown that only a system with counter-current in- and outflow (U-type flow) can lead to an even distribution in branched systems. Calculations prove that [...]
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93.
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Křen, J.
Abstrakt: The problem of the interaction between a liquid and flexible continuum occurs very often in practice. In the male urinary tract the interaction between urine an [...]
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94.
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Křiváková, Jarmila
Abstrakt: Článek je zaměřen na počítačové modelování stability válcových skořepin řešených dynamickou nelineární analýzou programovým souborem COSMOS/ [...]
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95.
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Abstrakt: The main goal of this paper is to study how non-linearities of components and subjective ride comfort perception quantity assessment influence the ride comfort, [...]
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96.
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Abstrakt: Vibrations of VVER 1000 pipeline. This contribution explains the causes of highfrequency pipeline vibrations between regulation valves and 1000 MW turbine body [...]
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97.
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Abstrakt: The small aerodynamic facility with variable gas density, concentration of the airhelium mixture and flow velocity is described. Next the procedure of mixing th [...]
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98.
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Morávka, Štefan
Abstrakt: The paper follows with the preceding works dealing with the research of the tranzient elastic waves propagation in bodies with basic constructional forms (i.e. [...]
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99.
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Abstrakt: The long-term behaviour of a crystalline rock has been modelled as a viscoplastic problem. The Perzyna type of material models, which is based on socalled overs [...]
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100.
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Abstrakt: Paper presents mathematical model of two-dimensional electrolyte flow in interelectrode gap and calculation results for form electrodes with development geometr [...]
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101.
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Abstrakt: Method and results of numerical simulation of the elastohydrodynamic (EHD) lubrication of the profiled roller of finite length are presented. Peculiarities of t [...]
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102.
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Říman, Pavel
Abstrakt: The primary mechanism for traffic noise reduction in existing highways is trough the use of noise barriers. The most of present used methods calculating noise b [...]
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103.
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Rohan, E.
Abstrakt: The paper deals with the homogenization method in the context of modelling biological tissues which undergo large deformation. The updated Lagrangian scheme is [...]
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104.
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Abstrakt: Existence of the interface between regions with different elastic properties have a pronounced influence on the behaviour of cracks The aim of the present contr [...]
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105.
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Soldát, Jaroslav
Abstrakt: This work aims to reduce the thermal errors of the machining centres by indirect compensation methods. Thermal effects can form more than 70% to the overall dis [...]
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106.
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Abstrakt: EUCOR, a corundo-badelleyit material, which is not only resistant to wear but also to extremely high temperatures, is seldom discussed in literature. The solidi [...]
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107.
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Abstrakt: V přispěvku jsou předneseny nové poznatky o matematickém modelu nestacionárního proudění v rozvětvení tvaru T. Je zde naznačeno jeho odvození a jso [...]
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108.
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Abstrakt: This contribution deals with the functional description and initial setting of the Reactor Vibration Monitoring System (RVMS) that is supplied as a part of the [...]
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109.
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Abstrakt: As in case of previous papers published on conference IM 2000, 2001 the influence of asymmetry at oscillating three-dimensional resiliently beared body, rigid p [...]
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110.
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Abstrakt: The stepping stone in evaluating effective elastic properties of woven composite tubes is an accurate geometrical description of the composite tube on meso-scal [...]
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111.
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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112.
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113.
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Ballo, I.
In the paper the properties of active and semi -active suspensions of heavy goods vehicle are compared. The criteria of comparison were the RMS sprung mass vertical accel [...]
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114.
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Cyclic strain of tyres leads to hysteresis loses. Long-term and repeated deformation damages tenacity of composite structure of tyre, which causes destruction of tyre. Ra [...]
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115.
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In the paper, the relationship for the energy of undamped dynamic system forced by general force impulse and its steady response are descibed. The acquired relations need [...]
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116.
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The present paper considers the elements of pneumatic suspension system of rail-vehicle as a part of rail-bus pneumatic system. The paper presents a mathematical model of [...]
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117.
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The paper deals with problems of buckling in resistors of electric rail vehicles. The resistors are objects in that the electric power is expended during dynamic braking [...]
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118.
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Experimental equipment for simultaneous dynamic and optical measurements on a vibrating profile with two degrees of freedom was designed and realized. One degree of freed [...]
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119.
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Equation of motion of non exciting suspended ambulance couch are shown in this paper. We can state the conditions of equilibrium location and the conditions of its stabil [...]
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120.
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Frantík, P.
The strange attractor shape of the non-linear dynamic one-degree-offreedom model of harmonic loaded cantilever beam is described in this paper. The change of strange att [...]
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121.
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The current distribution over the plate surface in lead-acid cells in the course of discharge was determined mathematically by using the equivalent circuit method. The de [...]
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122.
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This contribution deals with proposal of the method for strain gauge measurements of rubber patterns under dynamic loading. As deform elements the silicon strain gauges w [...]
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123.
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Ferfecki, P.
For the purpose of efficient diagnostics of fault conditions the influence of transverse fatigue crack on dynamical behaviour of a rotor system supported by active magnet [...]
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124.
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The article deals with modeling of a firearm and its response to an intensive short-time excitation by firing process using standard FEM computational program. The paper [...]
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125.
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The paper assess a behavior and an impact of the air flow on two hangar buildings. For the first hangar the investigation was carried out using both wind tunnel testing [...]
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126.
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This paper describes mathematic model of C-axis over mentioned machine. C-axis is controlled with position feedback and its mathematic model is determined for observation [...]
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127.
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This contribution summarizes the results of work carried out during the proposal and simulation modeling of the mobile robot undercarriage equipped with omnidirectional w [...]
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128.
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The study is focused on the advantages of numerical simulations based on the meshless Lagrangian approach to continuum description. The formulation of the smoothed partic [...]
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129.
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The paper deals with the optimization of parameters (mass parameters of stiff bodies) of the dynamic model of the reactor WWER 1000 support cylinder. Within the model of [...]
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130.
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The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is v [...]
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131.
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Sivčák, M.
In the paper is describing difference between application wave and sleeve springs in the dynamical system. Are bring in reason, witch complicated the application sleeve s [...]
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132.
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This paper deals with alternative techniques how to get the velocity signal that is needed for the velocity feedback loop. Common implementation of obtaining the velocity [...]
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133.
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The contribution deals with the modelling of the rolling contact between the wheel set of the railway vehicle and the curved railway and subsequently with the lateral mot [...]
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134.
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The present world development of mobile machines leads to a highpowered high-speed constructions with minimum dimensions and masses. By such light high-speed systems as a [...]
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135.
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Paper focuses on possibilities of transient processes modelling at pressure pipe system of a non-nuclear part of a certain power plant and summarizes the results of relat [...]
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136.
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The paper presents a project of a program that makes it possible to perform symbolic and semisymbolic analyses of dynamic properties of both the non-controlled and the co [...]
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137.
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This paper describes the static and dynamic analyses used for welded steel chimneys expertises according to national standard STN 73 0035 and European standard EN 1991 1- [...]
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138.
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The paper discusses a mathematical model of the isotonic smooth muscle contraction considering the influence of the excitation processes on the sarcolemma and inside the [...]
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139.
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The paper deals with mathematical modelling of vibration and modal analysis of a four-axle locomotive with two bogie. Each bogie has two individual wheelset drives. The m [...]
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140.
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Squirrel cage induction motors are employed in various machines and means of transport mostly as traction motors. The usage of this type of motors in vehicles can be conn [...]
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141.
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Axisymmetric circular plates subjected to stationary and transient dynamic loads are analyzed in the presented paper. Effect of viscous damping is also considered. Dynami [...]
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142.
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Presented paper deals with Concurrent Mapping and Localization as a method to build the local map for the autonomous mobile robot. Building accurate local map is necessar [...]
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Lateral seismic reactions and their impact to supporting structures piers and piles of highway arc bridge are analysed. Due to the fact that not accurate values of soil p [...]
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150.
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Abstrakt: Two relatively independent areas of the gearing science have been distinctively outlined and considerably progressed in the last decade. The "Theory of gearing" [...]
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151.
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Abstrakt: The aim of this contribution is to propose a new phenomenological model enabling description of non-monotonicity of shear-viscosity function for rheologically c [...]
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152.
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Dobiáš, Ivan
Abstrakt: The S4P programme (Science for Practice) of the Engineering Academy of the Czech Republic (EACR) concentrates on new research knowledge transfer into industry a [...]
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153.
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Dobiáš, Štěpán
Abstrakt: In this paper, the utilization of information systems in industrial practice will be discussed. Several kinds of information systems are used in works, but we f [...]
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154.
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Abstrakt: The integral concepts for calculation of the generalized stress intensity factor and elastic T stress are presented. Both the integrals are based on a validity [...]
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155.
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Abstrakt: The contribution is focused on design of multi-legged robot leg as an autonomous system. Leg is composed of the leg mechanism, 3 leg drives, sensor and control [...]
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156.
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Abstrakt: Relations between crack opening displacement (CTOD) and other fracture mechanics parameters are of a great importance in fracture mechanics. The basic aim of t [...]
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157.
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Kocanda, Lubomír
Abstrakt: Soft impact oscillator with one degree of freedom containing soft stop is considered. Ways of the system to a chaotic motion are dealt with. Various ways to thi [...]
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158.
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Abstrakt: A stability criterion based on generalized strain energy density factor for a crack terminating at the bi-material inteiface is suggested. The strain energy den [...]
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159.
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Abstrakt: The transverse-axial tubular system (TAT-system) of cardiac muscle is a structure that allows rapid propagation of excitation into the cell interior. As suggest [...]
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160.
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Abstrakt: To determine heat transfer coefficients on a surface, an inverse task is used that requires either measured surface temperature history or, more often, measured [...]
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161.
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Polach, Pavel
Abstrakt: A front impact against a concrete wall at the driving speed of 5 kmlh is one of the tests which are used for the verification of properties of public transport [...]
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162.
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Abstrakt: This paper describes a part of theoretical and experimental research dealing with the problem of the aeroelastic instability onset of slender rectangular beams [...]
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163.
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Abstrakt: The paper deals with the bone tissue modelling as a micropolar continuum. Isotropic and orthotropic constitutive relations were used for the description of the [...]
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164.
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Abstrakt: The paper deals with evaluation and analyzing of stresses in rubber cylindrical specimen which was twisted up to large deformation. Ogden hyperelastic nonlinear [...]
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165.
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Abstrakt: In this paper the authors propose the use of generic elements as a viable tool for parametric model-based damage detection. The parameters gained by use of gene [...]
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166.
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Abstrakt: This report analyses the possibility of the computional modeling of nonlinear elastic orthotropic materials in FEM system ANSYS, which does not have any finite [...]
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167.
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Vítek, Karel
Abstrakt: Computational approach to structural or limit state assessment needs better knowledge of material qualities as one of the basic inputs. The methodology of deter [...]
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168.
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Abstrakt: In relation to previous solution of non-stationary state of stress in elastic plate excited by singular force, the solution of transversa le impact an elastic t [...]
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169.
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Abstrakt: Finite element analysis was attempted to modeling microcracks and overall response of solid composites (two-dimensional problem) under compression. As a mathema [...]
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170.
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The contribution deals with the arrangement of coordination mechanism of gait controllers of four legged robot. Robot system is modeled as discrete events dynamic system [...]
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171.
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Čečrdle, J.
Submitted paper deals with preparation of the X-DIA aeroelastic demonstrator component wind tunnel tests. Paper is focused to design, analysis and manufacturing of new co [...]
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172.
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The paper deals with practical experience with measurement of acoustic power of the model - annular plate – while using plate absorptive dampers of the same area dimens [...]
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173.
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The behaviour of the majority of single ordered electromotors is nowadays very well described. However, this is not valid in case of multi-motor drives. This way of motor [...]
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174.
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This contribution describes the experimental indirect identification method for linear damped dynamic systems with multiple inputs and multiple outputs (so called MIMO sy [...]
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175.
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The aim of the paper is to propose an integration of a genetic algorithm and case-based reasoning in robot motion planning in a partially known dynamic environment. The g [...]
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176.
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It has been found there is a probability of a sudden break of all 20 bolts fastening primary header cover. This cover separates the medium of the primary circuit header f [...]
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177.
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Bach, P.
The paper deals with stability conditions of milling machine tools. As instability a self-excited vibration development, called chatter, under certain cutting conditions [...]
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178.
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Peterka, F.
The investigation of the dynamics of oscillator with soft impacts explained the development of non-linear phenomena, when the oscillator transits from the linear one into [...]
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179.
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The contribution presents experimental investigation of the frequency modal, damping and stress wave propagation characteristics and finite element (FE) mode ling of the [...]
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180.
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The accuracy of numerical solution of fluid dynamic tasks depends on both the geometrical and functional discretization. The paper deals with an applicability of high ord [...]
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181.
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Klečka, R.
The paper deals with a problem of control directional vehicle stability using a method that is known as hardware-in-the-loop simulation. In MATLAB/Simulink I designed the [...]
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182.
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The presented poster deals with the Finite Element Analysis dynamical model of VVER 1000 nuclear reactor control rod drive (LKP-M/3). It describes the setting up of the c [...]
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183.
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More and more digital technology is used in modern cars to operate electrical and mechanical systems. CAN-Bus communication takes significant place in these days. Europea [...]
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184.
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Nánási, T.
The list of all possible boundary conditions corresponding to particular differential operator is much greater than usually presented in open literature. Gallery of vario [...]
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185.
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Petríková, I.
This paper proposes one of the approaches to cam curve design and adverts to cam curve description using polynomial function. Serious properties of the polynomial curves [...]
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186.
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The structured parametric multibody model of the empty ŠKODA 21 Tr low-floor trolleybus is created using SIMPACK simulation tool. The basic SIMPACK Kinematics & Dyna [...]
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187.
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This contribution deals with computation of stiffness and damping coefficients of aerostatic bearings. Model of bearings is based on Reynolds equation for compressible m [...]
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188.
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Schuster, M.
This paper is a short overview of engineering approach to study rail vehicles aerodynamics and aerodynamic interaction between the trains and vicinity infrastructures. Sh [...]
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189.
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Analysis of laminated plates under static and transient dynamic loading is presented by the meshless local Petrov-Galerkin (MLPG) method. ReissnerMindlin theory is used t [...]
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190.
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A linear four degree-of-freedom (DOF) lumped model with 15 parameters of the human body sitting on a hard seat without a back-rest is developed in the sagittal plane (x-z [...]
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191.
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The paper deals of a with the parametric study of the dynamic behavior multistorey panel building applying an advanced computation model developed using finite element li [...]
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192.
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This paper describes the static and dynamic analyses used for welded steel chimneys expertise according to European standard EN 1991 and EN 1993. More details are concern [...]
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193.
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The solution of vibration transfer from the subsoil to the structure is demonstrated using the example of a multi-storey reinforced concrete building, founded on a dual f [...]
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194.
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The paper describes the influence of water/gypsum ratio to the dynamic modulus of elasticity of dental gypsum. Commercially available dental gypsum Interdent® (with comp [...]
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195.
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The paper deals with two approaches to the creation of hydrogen fuel bus multibody models intended for the investigation of the bus dynamic response. The basic dynamic mo [...]
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196.
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The article describes results of durability test of a magnetorheological fluid (MRF) which was carried out in a custom design rheometer. The rheometer design allows measu [...]
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197.
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This paper is concerned with mathematical modeling of the imperfect bladed disk with friction elements, which are used to suppress blade vibration. These kinds of systems [...]
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198.
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Selected approximation curves of mechanical-fracture parameter values − modulus of elasticity, effective fracture toughness, specific fracture energy, compressive cube [...]
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Spearritt, P.
Bridges, whether stone structures hundreds of years old or the great suspension bridges of the 19th century, have long been revered for their heritage values. Unlike many [...]
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228.
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229.
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Malina, Z.
Current state of mobile bridge AM-70 development. Fundamental technical requirements on development, piece of knowledge from use of NATO standards. Results of theoretical [...]
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230.
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Abstrakt: This paper presents development oj polyuretan foam simulating model. The combination of pneumatic cylinders filled by ideal gass with polytropic change of stat [...]
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231.
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Abstrakt: The control of motion a robot manipulator gripper and a mobile (locomotion) robot behaviour requires the solution of the direct and inverse kinematics and dynam [...]
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232.
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Holub, Rudolf
Abstrakt: Frequently, a manufacturer will have to demonstrate that a certain product has met a goal of certain reliability at a given time with a specific confidence. Oft [...]
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233.
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Hynek, Pavel
Abstrakt: This paper describes three modelling technique for rub related phenomena in rotor systems and compares their suitability for numerical simulation. Numerical tes [...]
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234.
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Iwaszko, Jerzy
Abstrakt: The formulas for calculating the air flow rate in pneumatic components given in [1 , 2, 3 J were compared. Flow rating parameters, sonic conductance C and criti [...]
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235.
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Kafka, Vratislav
Abstrakt: Inelastic macroscopic behavior of technical as well as biological materials is strongly related to their structures. Therefore, constitutive modeling of the res [...]
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236.
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Abstrakt: Two medium-term experiments with lateral pressure of flowing loose sand acting on a retaining wall were performed. The experiments showed some rather unexpected [...]
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237.
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238.
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Abstrakt: The paper presents a determining of the real power characteristics of non axial loaded pneumatic spring, hydraulic damper, spring rubber stop-members and two-po [...]
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239.
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Abstrakt: Dynamic effects of seismic excitation and of the steam line break in the weld of the steam pipe and the steam collector during an earthquake are analyzed. Gener [...]
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240.
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Abstrakt: The excited one degree of freedom mechanical system with soft impacts, characterised by triangle hysteresis loop, is investigated using numerical simulation. Sm [...]
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241.
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Abstrakt: The impact motion of rigid rotor supported on passive magnetic bearings is studied. Impacts on passive magnetic bearings are investigated. Impacts occur in reta [...]
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242.
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Abstrakt: The procedure based on a traditional genetic algorithm (GA) is demonstrated on the price optimization of a vibrating block foundation. Unbalanced rotating mass [...]
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243.
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Abstrakt: The presented paper deals with procedure created for quality and reliability evaluation of ductile fracture criteria group. The base for criteria verification i [...]
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244.
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Švancara, Pavel
Abstrakt: Correct determination of individual SEA parameters is necessary to build a reliable SEA model. Especially for subsystems with complex geometry and material may [...]
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245.
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Abstrakt: The dimensioning of the metal-diaphragm depends on the maximum measured pressure and on necessary preload. Classic methods of elasticity were used to get some p [...]
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246.
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247.
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The point of contribution consists in the analysis of linear and nonlinear damping influence on the dynamic properties of the specific case of pseudoplanetary system with [...]
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248.
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249.
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Daněk, V.
The stability of the asymmetric flight regimes, where the couplings between longitudinal and lateral aerodynamic characteristics are significantly influencing each other, [...]
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250.
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The subject of this work is experimental observation of the development of internal damage and its evolution in aluminium alloy flat specimens with different configuratio [...]
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251.
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The possibility of localising and quantifying a damage in a vibrating structure based on measured vibration amplitudes of the first harmonic in some locations of the stru [...]
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252.
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This paper describes a structure of water jet outflowing from the highpressure nozzles. It deals with the flow pattern, the pulsation influence on heat transfer in the im [...]
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253.
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The impact effects in gear mesh represent specific phenomena in the dynamic investigation of highspeed light transmission systems with kinematic couplings. They are cause [...]
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254.
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Král, J.
Repeated cold front transitions in January 2007 in the Czech Republic were accompanied by occurrences of strong winds. Before the strongest one, accelerometers and a reco [...]
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255.
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Today the drive system is considered mainly as interactive system containing a range of subsystems with different physical nature: mechanical – the basic ones, electric [...]
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256.
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Presented paper is concerned with the numerical modeling of quasibrittle materials such as concrete. Brancherie and Ibrahimbegovic are authors of a simple model capable o [...]
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257.
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Losík, V.
So far the static as well as dynamic aeroelastic tasks have been commonly solved by using linear models of fluid flow (p-k method, DLM) implemented e.g. in system MSC.Nas [...]
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258.
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259.
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At the present time mainly FEM is used for numerical modelling of composite layered solids and structures. Using FEM, a significant amount of research has been devoted t [...]
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260.
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Král, J.
A long-term measurement of the wind response of the first building started in 2007and of the second building in 2009. The response monitoring is automatic and continues. [...]
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261.
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Many structures encountered in civil, mechanical, naval or aerospace engineering can show properties of auto-parametric systems. The general mathematical structure of the [...]
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262.
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Engineering structures subjected to dynamic loading are often equipped with special devices proposed to suppress adverse motion. However, these installations are often d [...]
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263.
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The paper is devoted to dynamical analysis of a railway vehicle motion along a direct waved railway. A mathematical model of this discrete multibody system that consists [...]
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264.
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Guran, A.
Contributions of Czechoslovakian engineers and scientists to the development of industry and education in Iran goes back to the year 1851, when August Karel Kříž (1814 [...]
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265.
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The physical model of two cylinder hydraulic damper is composed from several groups of equations, which describe: a) the dynamic equilibrium of the forces loading the val [...]
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266.
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Byrtus, M.
The paper summarizes the method of nonlinear normal modes (NNMs) which has gained importance in nonlinear dynamics. Two main definitions of NNMs are discussed: Rosenberg' [...]
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267.
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The analysis of dynamics of time heteronymous weakly and strongly non-linear planetary transmission systems with kinematic couplings – gears constitutes a study of comp [...]
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268.
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The article describes design of vehicle track computation model and basic testing step of dynamic loading simulation of the track. The model is built for computational si [...]
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270.
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In this study, an attempt was made to reduce the amount of longitudinal and shear rebars in the beam-column joints by partially replacing steel rebars with steel fibers s [...]
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Burša, Jiří
Abstrakt: The paper compares various types of cohesion tests used in testing of adhesive connection of two materials. The computational modelling using FEM confirms that [...]
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307.
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Abstrakt: One of the main requests in engineering practice is to have an effective design procedure of a reinforced concrete continuous beam. This task is a multidimensio [...]
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308.
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Peterka, František
Abstrakt: Dynamic properties of the mechanical system with one degree of freedom containing soft stop are investigated. Dynamical impact model respects the non-linearity [...]
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309.
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Šklíba, Jan
Abstrakt: This paper presents a summary of the research, focused to the dynamic problems of the driver seat, performed at the Technical university of Liberec during the l [...]
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310.
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This paper presents the work performed by the Institute of Aerospace Engineering, Brno University of Technology. Purpose of the project was to compare the results obtaine [...]
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311.
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The hypothesis was stated, that the relaxation oscillation emerge in the surface layers of wheel and rail, by the accelerating and braking period of the rail vehicles. Th [...]
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312.
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Půst, L.
The more precise mathematical models of dynamic systems must contain also more exact description of sources of excitations. The paper deals with the analysis of electric [...]
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313.
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This contribution deals with computational modelling of static and dynamic analysis of journal bearings. In this contribution a new theoretical approach to the modelling [...]
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314.
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Uruba, V.
Velocity field of a synthetic jet has been investigated experimentally. The synthetic jet is generated by electro-dynamical system designed for control of free shear laye [...]
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315.
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The paper is concerned with the verification analysis of the wind and technical seismicity response of a power plant stack structure. During two weeks the actual history [...]
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316.
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The "Sněžka" Reconnaissance and Observation System is the special military design of the elevating platform truck. The authors of this paper took part in the experiment [...]
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317.
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Paper considers the task of forecasting of individual remaining resource of metal wares of bridge cranes when their life time corresponding to norm is elapsed. Decision o [...]
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318.
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The paper deals with an experimental determination of total drag coefficients of bodies of various shapes embedded in a free stream flow. The shapes of bodies were chosen [...]
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319.
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This paper presents a solution of high-frequency dynamic effects occurring in the mesh of pair of gears that was formulated and calculated using the MATLAB development en [...]
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320.
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The dynamic properties of rotor supported on passive magnetic bearings is investigated by means of numerical solution and by measurement on the prototype of experimental [...]
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321.
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Mrázek, P.
Mechanical control of the modern small-diameter circular knitting machines is substituted electromechanical control systems in this time. This contribution deals in proje [...]
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322.
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The principle of a steam turbine balanced control system is presented here. The dynamic stress measurement method in parts of valves on its models in the aerodynamic wind [...]
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323.
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There are several measures which can be used to predict, prevent and resolve the problems of liveliness in footbridges. The Frequency tuning means avoiding the critical f [...]
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324.
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Use of waste materials is an actual topic that corresponds to current trends associated with the decreasing of power exigency and sustainable development. The possibility [...]
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325.
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Podešva, J.
The modeling of the mechanical structures with large number of degrees of freedom (DOF) was in the past the problem of the machine time and disk space. On the today’s h [...]
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326.
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Approach for determination of the dynamic behavior of an elastic body submerged in fluid is presented in this contribution. Method is based on independent solution of the [...]
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327.
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Dynamic fragmentation (disintegration of continuous body into smaller pieces under dynamic loading) is a physical phenomenon observed in many fields of engineering and sc [...]
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328.
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Uruba, V.
The method for evaluation of temporal and spatial independent modes of a dynamical system is suggested. The dynamical system is represented by time dependent vector field [...]
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329.
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332.
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Kuneš, P.
This article briefly summarises the results of laboratory research on mortars samples from the Judith Bridge, which were taken from its remains at Křižovnické square, [...]
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365.
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Omes, Jiří
Abstrakt: Recently there is a large development and exploitation of hydraulic presses. Development of these presses leads to endeavour after exploitation of pulsating for [...]
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366.
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Abstrakt: In all power plants (classical and nuclear) are used safety relief valves. After opening of this ones the mass of fluid (gas or steam) begin to move with very h [...]
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367.
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Abstrakt: The internal combustion engine development process requires CAE models which deliver results for the concept phase at very early stage and which can be further [...]
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368.
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Abstrakt: Filament winding is an important manufacturing technology of composite. In general, filament wound composite elements can be taken as laminated composite, but d [...]
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369.
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370.
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The paper shows possible modeling method of selected type of track. Selected type of track is a combat vehicle track. The paper describes creation of computational model [...]
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371.
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Pečínka, L.
Analysis of the dynamic response of the beam under moving load and axial periodic force and with constant damping result in well known solution of Mathieu equation. In fa [...]
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372.
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In this paper, an approach to dynamic analysis based on the fuzzy set theory is presented as a alternative to the classical stochastic dynamic analysis. The material para [...]
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373.
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In this paper is solved a 3D analysis of growing crack of the chevron notched three-point-bending specimen. On macroscale the specimen body is modeled as an elastic homog [...]
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374.
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The testing pump with one water-pump impeller is described in this contribution. During rotation it is possible to analyse the forces and moments which impact the runner. [...]
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375.
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To be able to influence the vibration of real structure it is necessary to identify its dynamic behaviour. Identification of modal parameters can be done by means of comp [...]
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376.
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Drobný, V.
Reference model means simplified mathematical vehicle model which describes vehicle lateral dynamics. The output of the reference model produces the most optimal trajecto [...]
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377.
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The paper presents two numerical models applied to a dynamic problem of interaction between fluid and a tube made of a flexible material. In particular, we model a foil [...]
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378.
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The paper describes one of possible design way of vehicle track computation model and basic steps of dynamic loading simulation of the vehicle track. The computational mo [...]
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379.
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Abstrakt: Having new, very powerful tool for stress analysis in form of modem simulation methods as FEM we are able to determine stress and strain state in the examind st [...]
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380.
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The paper is devoted to the analytical and experimental stress analysis in aluminum tube of car air – conditioner at static and dynamic loading at test equipment. After [...]
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381.
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Dynamics of separation process of a turbulent boundary layer subjected to adverse pressure gradient is studied experimentally. The Time Resolved PIV method is used to acq [...]
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382.
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According to recent publications, from 2005 to 2008 there were more than 13000 terrorist attacks around the world which took more than 73000 human lives. The attacks were [...]
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383.
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Results of experiments on fully developed turbulent boundary layer are presented. The boundary layer was generated on a smooth flat wall forming one side of the channel o [...]
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384.
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Wind excited vibrations of slender structures such as towers, masts or certain types of bridges can be reduced using passive or active vibration absorbers. If there is av [...]
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Abstrakt: The traditional method of motion description of heavy machines are differential equations. In this paper for the description of tractor motion was used the meth [...]
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409.
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Instable behaviour both of the road and tram bridge at the Prague “Chotkova road” up to Klárov and the rock mass around has been monitored long time yet. The movemen [...]
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410.
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Malenovský, E.
This contribution deals with the overview of methods, which are used for analysis of dynamic behavior of rotor dynamics systems. The main of background research topics ar [...]
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411.
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Diagnostics based on monitoring of response changes in relation to operation load is a method determination of residual service life of building structures, state estimat [...]
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412.
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The problems of analysis, modelling and simulation of drive systems are solved on Institute of Mechanics of Solids for over 20 years. During that time period not only the [...]
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413.
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Naď, M.
The existence of a crack in a structural member introduces local modification of flexibility and consequently affects the dynamic behaviour of the cracked member. In this [...]
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414.
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Kozánek, J.
The 3n and 4n state space formulations of system of n linear secondorder ordinary differential equations with special right side are proposed. The paper is concerned to a [...]
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415.
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Uruba, V.
A new method for analysis of spatio-temporal data is proposed. This is based on combination of Proper Orthogonal Decomposition and Principal Oscillation Patterns methods. [...]
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416.
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This paper deals with the influence of moisture in determining the mechanical properties (dynamic modulus of elasticity) of porous building materials using nondestructive [...]
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Mortars from two medieval bridges (Charles Bridge in Prague and bridge in Roudnice) and two Roman bridges (Ponte di Augusto in Narni and bridge in Sardinia) were analyzed [...]
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438.
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Frequency modal and damping characteristics of an aeroelastic model designed for experiments in the wind tunnel are studied. Based on the experimental modal analysis the [...]
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439.
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We determined some breaks in the rock massif of the Pravčická brána using georadar which were caused by the concrete fill of the ruptures and close the temperature dil [...]
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440.
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The paper describes a new method of analysis of the non-stationary response of a bridge model subjected to the wind load. The analysis is based on the decomposition of th [...]
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441.
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Antoš, P.
The paper deals with an effect of dynamic adjustment on the behaviour of constant-temperature anemometer. The static dependence of the output anemometer voltage on the ga [...]
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442.
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The paper is focused on damage identification of dynamically loaded structures using methods of soft computing including artificial intelligence. The damage and variabili [...]
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443.
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Malášek, J.
State of stress identification consists of these parts – of miniaturised pressure sensors in matrix arrangement and of a special strain-gauge bridge – this is a compl [...]
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444.
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The differential equation of collapse of a high building is derived taking into account many influences. Computer simulation of the collapse of the WTC building is presen [...]
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445.
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The presented paper deals with an analysis of steel structure dynamic properties. The construction, which consists of stationary and movable parts, is expected to be unde [...]
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446.
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447.
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448.
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449.
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450.
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451.
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453.
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454.
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456.
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458.
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Object of the contribution is a summary of outlook on topic „Longterm monitoring of dynamic response of engineering structures“. The contribution contains requirement [...]
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459.
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The endeavour to use the changes of dynamic characteristics for the determination of damage or other imperfections of structures is not new. The rudimentary application o [...]
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460.
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Wind excited vibrations of slender structures such as towers, masts or certain types of bridges can be reduced using passive or active vibration absorbers. If there is av [...]
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461.
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462.
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463.
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464.
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465.
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466.
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467.
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468.
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The beam with an axial force is coupled by an elastic layer of Winkler type with the pretensiled string. It is subjected to a row of moving forces. The theoretical model [...]
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469.
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470.
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471.
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In the present contribution, a numerical simulation of the nonlinear behaviour of the Charles Bridge in Prague with the emphasis on the heterogeneous character of the mat [...]
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472.
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The contribution deals with the 3D analysis of the chevron notched three point bending specimen which is used to determine the fracture toughness of brittle matrix compos [...]
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473.
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This work is focused on development and verification of a "simple" and credible method for evaluation of maximum service loading of masonry arch bridges with embankment. [...]
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474.
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An arch is one of the oldest structural shapes that mankind has invented. The Roman Empire constructed a large number of stone arch bridges on roads or aqueducts, many of [...]
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475.
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There are many events which are not solved as extreme design situations in present standards used for bridge design, maintenance and refurbishment - the safety of the use [...]
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476.
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477.
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Abstrakt: Long-term observation of bridges supported by bearings made of synthetic materials reveals a steady horizontal deformation increase of these elements. This proc [...]
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478.
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Trucks moving around the roads and bridges cause their wear and damage. The mechatronical solution can help by the usage of controlled variable suspension damper that lea [...]
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479.
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New technologies of highway concrete bridges construction require a more detailed analysis of bridges. Especially, the gradual construction has to be modelled because the [...]
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480.
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The paper deals with the development of biomechanical model in order to simulate a man walking over the elastic bridge and the interaction of both objects. The current ci [...]
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481.
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The cable–stayed bridges are usually built for long span and are subjected to dead and moving loads, seismic motions of supports to wind forces, temperature and many ot [...]
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482.
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The bridges, footbridges and broadcast towers create an important subset of infrastructure subjected to dynamic loading of various origins. Especially, exposed to wind, t [...]
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483.
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In our country and in the other parts of the world exists number of masonry bridges. Their limit loading capacity is not known today. It is very important to make simulat [...]
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484.
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Tesár, A.
The paper describes the application of technical theory of thin-walled box structures for the assessment of shear lag effects in thin-walled box bridges subjected to dyna [...]
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485.
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Abstrakt: The paper deals with an open channel flow around model of a bridge when the water depth is higher than height of the bridge opening. Both the pressured flow thr [...]
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486.
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The following article presents the results of analysis of slender bridge structure to dynamic loads induced by movement of people. Further is emphasized the importance of [...]
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487.
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488.
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