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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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There are several randomized methods for problem of path planning. Rapidly exploring random trees (RRT) is a method which can deal with constraints typical for legged wal [...]
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Motion planning is essential for mobile robot successful navigation. There are many algorithms for motion planning under various constraints. However, in some cases the h [...]
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Analyses show great progress in developing non-conventional actuators. Artificial muscles have properties suitable for use in the rehabilitation area. The combination of [...]
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This contribution describes a comparison of the concrete structure design results obtained via the partial reliability factor method and using the fully probabilistic met [...]
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A large number of existing reinforced concrete slab bridges are found to be insufficient for shear when calculated according to the governing codes. Seeking improved meth [...]
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The paper deals with problems of the actual behaviour of steel expansion anchors to concrete subjected to transversal force. For a long time, on the workplace of the Dept [...]
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The paper provides a support for the wavelet based approach for the analysis of the linear MDOF systems subjected to non-stationary excitation, as was proposed by [Basu a [...]
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Three point bending test of central notched specimen is used for determination of fracture properties of concrete, mortar and hardened cement paste. The properties – e. [...]
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During the last decades, the finite element method has become the most powerful structural analysis tool and it allows using of more and more sophisticated material mode [...]
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Abdominal aortic aneurysm is usually manifested like balloon dilation of the distal aorta. This bulge is probably caused by degradation processes in an arterial wall. Sha [...]
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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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Lepš, M.
The problem of an inverse analysis occurs in many engineering tasks. The task itself has several different forms and can be solved by a variety of methods. In this paper, [...]
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Corrosion of reinforcing steel in concrete is one of the most influencing factors causing the degradation of reinforced concrete structures, conducting to concrete crack [...]
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Presented work describes part of grant project Complex modeling of fracture experiments which deals with correct selection of softening law in tension for numerical model [...]
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In this paper we present an identification method of microplane model parameters from results of experiments in a uniaxial deformation on concrete. Novelties are usage of [...]
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The contribution deals with a complicated problem of fatigue damage of structure parts, which are loaded by a combination of random forces in tension-pressure and moments [...]
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Long bone fractures can be healed using external fixators - devices that stiffly fix fracture fragments using parallel to the bone, attached with pins frame. This method [...]
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The masonry constructions are widely used for a long time. Nowadays, new masonry structures are on demand owing to its variety and appealing mechanical properties. Both b [...]
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Identification of material parameters of finite element nanoindentation model is discussed in this paper. Nanoindentation is relatively new experimental method, which a [...]
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The results of fracture experiments and numerical model with sandstone specimens are presented in this paper. The aim is the comparison of selected mechanical/fracture pa [...]
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This paper deals with numerical simulation of the fracture process in cementitious composite specimens. A technique based on physical discretization of continuum is emplo [...]
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Krejčí, P.
This paper presents design of intelligent sensor for robotic leg of quadruped experimental robot. Information about contact load as well as direction and magnitude of con [...]
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Lepš, M.
This paper presents a discrete optimization of reinforced concrete structures based on an efficient combination of deterministic and stochastic optimization strategies. T [...]
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The muscle forces in human beings are difficult to exactly determine, because many muscles act cooperatively. Consequently, the model of a backpropagation neural network [...]
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Paper is focused on comprehensive solution of probabilistic integrity assessment of pressure vessels. Engineering criteria was fully respected during solution, however fr [...]
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This paper presents discrete optimization of reinforced concrete structures based on an efficient combination of deterministic and stochastic optimization strategies. The [...]
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This paper presents the consideration on the change judgement of J integral and Q parameter as the base parameters of two-parameter elastic-plastic fracture mechanics. An [...]
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The paper offers a novel approach to the modeling of asphalt mixtures. It introduces a concept of so called statistically equivalent periodic unit cell (SECUP) known from [...]
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Physical and chemical changes in quasibrittle materials loaded with high temperature affect the fracture mechanical behavior of structures. Threepoint bending tests of no [...]
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In this contribution, we present and mutually compare three approaches to the analysis of finite heterogeneous elastic bodies with a random arrangement of individual phas [...]
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Pohl, K.
The objective of this paper describe a non-linear analysis of reinforced concrete frame structures and assignment its response to seismic load. We observe the change of n [...]
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In order to simulate a launch, all space instruments undergo a vibration tests. Due to the fixing points in vibrating machines being different, adapters are used for each [...]
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Puklický, L.
Steel-concrete composite columns are extensively used in modern buildings. Steel being of high tensile strength presents a high quality building material, concrete on the [...]
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Concrete is represented as a two-phase material in this paper. Behaviour of a crack with its tip on the interface between two different materials - hardened cement paste [...]
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The Direct Determined Fully Probabilistic Method (DDFPM) was developed as an alternative to Monte Carlo simulation procedure in case of probabilistic reliability assessme [...]
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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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Rojíček, J.
This paper describes estimation of random effects for systems of linear equations. It deals especially with presentation of the analytical method. The analytical method i [...]
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The paper suggests a new approach of inverse analysis to obtain parameters of FEM computational model in order to obtain best agreement with experimental data. The propos [...]
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Omishore, A.
The verification of the design reliability of a steel element according to the concepts of standards EUROCODE 3 and EN1990 is presented in the article. Reliability analys [...]
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The subject of the paper is the probabilistic safety assessment of an unbraced steel frame containing leaning columns and exposed to several variable loads. Reliability a [...]
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The paper is focused on statistical inverse analysis of material model parameters, where statistical parameters of input parameters have to be identified based on experim [...]
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