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Transient Vibration of Thin Rectangular Elastic and Viscoelastic Isotropic and Orthotropic Plate
Soukup, J. ; Trnka, Jan ; Valeš, František ; Volek, J.
The article is a part of the systematic analisys of assumption effects on the transient vibration of isotropic or orhotropic elastic and viscoelastic thin 2D plate. Several deformation models - according to Kirchhoff, Rayleigh, Flügge, Mindlin - were applied. The linear models of material rheologic properties were applied according to Hook, Voigt-Kelvin, Maxwell, Zener models. The results obtained by FEM methods and experiments are mutually compared.
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Nondestructive Testing of Heterogenous Materials
Trnka, Jan ; Dvořáková, Pavla
The paper deals with experimental research of stress wave propagation in heterogenous materials. Experimental procedures are focused both on the different techniques of the impact loading and on the different diagnostics methods. The aim of this paper is to optimize loading techniques and diagnostic methods to get the reliable data for computer modeling of structures produced from the heterogeneous materials.
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