A Pseudospectral Approach for Kirchhoff Plate Bending Problems with Uncertainties

Ling Guo and Jianguo Huang

Mathematical Problems in Engineering, 2012, vol. 2012, 1-14

Abstract:

This paper proposes a pseudospectral approach for the Kirchhoff plate bending problem with uncertainties. The Karhunen-Loève expansion is used to transform the original problem to a stochastic fourth-order PDE depending only on a finite number of random variables. For the latter problem, its exact solution is approximated by a gPC expansion, with the coefficients obtained by the sparse grid method. The main novelty of the method is that it can be carried out in parallel directly while keeping the high accuracy and fast convergence of the gPC expansion. Several numerical results are performed to show the accuracy and performance of the method.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:750605

DOI: 10.1155/2012/750605

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