Autor:
Żur, Krzysztof Kamil ; Jaroszewicz, Jerzy ; Dragun, Łukasz
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Temat i słowa kluczowe:
free vibrations ; sandwich circular plate ; non-homogeneous material ; variable parameters ; annular mass
Abstract:
In the paper the influence function and the method of partial discretization in free axisymmetric vibration analysis of multilayered circular plates of constant and linearly variable thickness were presented. The effects of shear deformation and rotary inertia for the core as well as the facings were neglected. An analytical investigation based on the classical plate theory was made for the multilayered plate which satisfies Sokołowski`s condition. ; Discretization of mass and replacing stiffness of a fixed circular plate were presented. Formulas of influence matrix and Bernstein-Kieropian`s estimators for different steps of discretization were defined. The influence of variable distribution of parameters on the value of double estimators of natural basic and higher frequency of a sandwich circular plate was investigated.
Wydawca:
Zielona Góra: Uniwersytet Zielonogórski
Data wydania:
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DOI:
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Źródło:
IJAME, volume 20, number 3 (2015)