Abstract
In this paper we compare an intrusive with an non-intrusive method for computing Polynomial Chaos expansions. The main disadvantage of the nonintrusive method, the high number of function evaluations, is eliminated by a special Adaptive Gauss-Quadrature method. A detailed efficiency and accuracy analysis is performed for the new algorithm. The Polynomial Chaos expansion is applied to a practical problem in the field of stochastic Finite Elements.
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Herzog, M., Gilg, A., Paffrath, M., Rentrop, P., Wever, U. (2008). Intrusive versus Non-Intrusive Methods for Stochastic Finite Elements. In: Breitner, M.H., Denk, G., Rentrop, P. (eds) From Nano to Space. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74238-8_13
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DOI: https://doi.org/10.1007/978-3-540-74238-8_13
Publisher Name: Springer, Berlin, Heidelberg
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