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In practice, two variants of a symmetric strain tensor of the second order occur. While for the first variant, complete angle alterations are present in the components of [...]
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The paper deals with the approach to modelling and optimization of turbine generators whose bodies have primarily non-symetrical geometry and stiffnesses in two perpendic [...]
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Ferreira, T.
The present contribution details an intervention in a 19th century building located in the Oporto Historical Centre buffer zone (UNESCO World Heritage since 1996). The bu [...]
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Kolman, R.
The dispersion properties of the regular plane quadratic finite element used in the plane elastic wave propagation problems are presented and this finite element type is [...]
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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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The cooling intensity of working rolls is very important in industrial applications. The durability of these rolls largely depends on proper cooling. In the case that the [...]
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When the method of integral transforms is used for solving the system of PDEs describing a wave problem solved, one has to overcome the problem of inverse transform. This [...]
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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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The article gives the general view to the detection of defects (rather the cracks) of mechanical structures through initializing and receiving so-called Rayleigh waves, w [...]
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Karczmarzyk, S.
An exact local model for computing the coincidence frequencies of multilayered sandwich panels and numerical results predicted by the model are presented in the paper. Th [...]
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11.
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The paper deals with a numerical modeling of laminated 2-D structures. We described the basic failure theories that are commonly used for orthotropic layers. We made the [...]
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Holka, H.
The aim of the present research was to investigate the method of identifying the function of rotary vibration of the object in plane motion. The body motion was defined i [...]
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This paper deals with analytical formulation of dispersion curves for stress waves in a free (001)-cut cubic and orthotropic plate. The direction of wave propagation is a [...]
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An analytical solution is derived from an approximation of the 2D thin plate model. At first approach the model is described by Kirchhoff and Rayleigh model, then by Timo [...]
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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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Under the consideration of the bi-material notch composed of two orthotropic materials the potential direction of the crack initiated from the notch tip is determined fro [...]
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This article deal with problems of cracks in bodies with bimaterial interface. The stress and displacement near the front of crack located at the interface between two or [...]
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18.
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Červ, J.
In the paper are studied some conditions which are necessary for the existence of Rayleigh (edge) waves in an orthotropic elastic half-plane. A non-zero angle ween body a [...]
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