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Type: Journal article
Title: Vibration of sandwich plates with random material properties using improved higher-order zig-zag theory
Author: Pandit, M.
Singh, B.
Sheikh, A.
Citation: Mechanics of Advanced Materials and Structures, 2010; 17(7):561-572
Publisher: Taylor & Francis Ltd
Issue Date: 2010
ISSN: 1537-6494
Statement of
Mihir K. Pandit, Bhrigu N. Singh and Abdul H. Sheikh
Abstract: An improved higher-order zig-zag theory for vibration of soft core sandwich plates in random environment is proposed. It exploits all the merits of layer-wise theory, includes the effect of core transverse normal strain and simultaneously enjoys the benefits of single layer theory in terms of computational efficiency. The core is modeled as a 3-D elastic continuum. An efficient C0 finite element is developed for the implementation of the proposed theory. A first order perturbation approach is employed to handle the randomness in the lamina material properties. Second order statistics of natural frequencies are computed and validated with independent Monte Carlo simulation.
Keywords: natural frequency; sandwich plate; finite element; perturbation technique; second order statistics
Rights: Copyright © Taylor & Francis Group, LLC
RMID: 0020101208
DOI: 10.1080/15376490903398698
Appears in Collections:Civil and Environmental Engineering publications

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