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- W2969812083 abstract "Summary The solution of frequency dependent linear systems arising from the discretization of vibro‐acoustic problems requires a significant computational effort in the case of rapidly varying responses. In this paper, we review the use of a greedy reduced basis scheme for the efficient solution in a frequency range. The reduced basis is spanned by responses of the system at certain frequencies that are chosen iteratively based on the response that is currently worst approximated in each step. The approximations at intermediate frequencies as well as the a posteriori estimations of associated errors are computed using a least squares solver. The proposed scheme is applied to the solution of an interior acoustic problem with boundary element method (BEM) and to the solution of coupled structural acoustic problems with finite element method and BEM. The computational times are compared to those of a conventional frequencywise strategy. The results illustrate the efficiency of the method." @default.
- W2969812083 created "2019-08-29" @default.
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- W2969812083 date "2019-10-17" @default.
- W2969812083 modified "2023-10-18" @default.
- W2969812083 title "A greedy reduced basis scheme for multifrequency solution of structural acoustic systems" @default.
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- W2969812083 doi "https://doi.org/10.1002/nme.6205" @default.
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