Multiresolution Analysis for Stochastic Finite Element Problems with Wavelet-Based Karhunen-Loève Expansion

Carsten Proppe

Mathematical Problems in Engineering, 2012, vol. 2012, 1-15

Abstract:

Multiresolution analysis for problems involving random parameter fields is considered. The random field is discretized by a Karhunen-Loève expansion. The eigenfunctions involved in this representation are computed by a wavelet expansion. The wavelet expansion allows to control the spatial resolution of the problem. Fine and coarse scales are defined, and the fine scales are taken into account by projection operators. The influence of the truncation level for the wavelet expansion on the computed reliability is documented.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:215109

DOI: 10.1155/2012/215109

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