The Institute of Theoretical and Applied Mechanics 19 records found  1 - 10next  jump to record: Search took 0.02 seconds. 
1.
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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The flow structures inside a cylindrical cavity are studied experimentally using time-resolved PIV. The flow is excited using rotating lid controlled by step motor. POD a [...]
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The aim of this study was to compare the approximate finite element model of acoustic spaces corresponding to the human adult male vocal tract and nasal cavity with the i [...]
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The paper deals with optimization process finding such geometrical form of acoustical cavities of the human supraglottal spaces which leads to excitation of predefined ac [...]
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Inverse method was used for numerical simulation of acoustic characteristics of a professional musical actor before and after vocal exercises. The geometrical data for a [...]
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Linear two degrees of freedom aero-elastic system for modelling vibrations of human vocal folds was originally developed by which the physiological conditions for so-call [...]
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The study presents three-dimensional finite element (FE) model of flow induced oscillations of the human vocal folds in interaction with acoustic processes in the simplif [...]
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Hrůza, V.
During fonation the vocal folds are excited by air flow. This air is portioned by vocal folds into separated air bubbles. These are the cause of the source voice. It is o [...]
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Results of a voice numerical simulation using finite element (FE) model of acoustic spaces corresponding to the human vocal tract for English vowel / a / are presented. T [...]
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A 3D finite element model of the human larynx including the vocal folds was developed. The model enables to take into account phonation position (tension and adduction) o [...]
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The model of the human vocal fold is created with transfer matrix method. The model is made from 32 cylindric or conic elements for Czech vowel /u/. The calculation is ca [...]
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1D and 3D finite element models of supraglottal tract designed for Czech vowel / a / are analyzed. Performed modal analysis is focused on investigation of the influence o [...]
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The radiated sound pressure level (SPL) during phonation is known to be mainly regulated by lung pressure and glottal resistance (adduction), at the glottal level. Few re [...]
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Velopharyngeal insufficiency is modeled in frequency domain by the transfer matrix method in connection with conical acoustical elements. The vocal tract is considered as [...]
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Acoustic speech output in humans is commonly considered to results from a combination of a source of sound energy (e.g. the larynx) modulated by a transfer (filter) funct [...]
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The Source-filter theory does not take into account many important circumstances for generating of vowels, e.g. the effects of source on filter. One of these effects is i [...]

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