Year: 2020
Author: Lian Zhang, Mingchao Cai, Mo Mu
Communications in Computational Physics, Vol. 27 (2020), Iss. 4 : pp. 1014–1031
Abstract
We investigate a multirate time step approach applied to decoupled methods in fluid and structure interaction (FSI) computation, where two different time steps are employed for fluid and structure respectively. For illustration, the multirate technique is examined by applying the decoupled $β$ scheme. Numerical experiments show that the proposed approach is stable and retains the same order of accuracy as the original single time step scheme, while with much less computational expense.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/cicp.OA-2018-0305
Communications in Computational Physics, Vol. 27 (2020), Iss. 4 : pp. 1014–1031
Published online: 2020-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 18
Keywords: Fluid and structure interaction (FSI) decoupled methods multirate time step stability β scheme.