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Volume 27, Issue 4
A Multirate Approach for Fluid-Structure Interaction Computation with Decoupled Methods

Lian Zhang, Mingchao Cai & Mo Mu

DOI: 10.4208/cicp.OA-2018-0305

Commun. Comput. Phys., 27 (2020), pp. 1014-1031.

Published online: 2020-02

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  • 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.

  • Keywords

Fluid and structure interaction (FSI), decoupled methods, multirate time step, stability, β scheme.

  • AMS Subject Headings

65M12, 37N10, 65N22, 65N30, 65M60, 65P99

  • Copyright

COPYRIGHT: © Global Science Press

  • Email address

lzhangay@connect.ust.hk (Lian Zhang)

cmchao2005@gmail.com (Mingchao Cai)

mamu@ust.hk (Mo Mu)

  • BibTex
  • RIS
  • TXT
@Article{CiCP-27-1014, author = {Zhang , LianCai , Mingchao and Mu , Mo}, title = {A Multirate Approach for Fluid-Structure Interaction Computation with Decoupled Methods}, journal = {Communications in Computational Physics}, year = {2020}, volume = {27}, number = {4}, pages = {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.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.OA-2018-0305}, url = {http://global-sci.org/intro/article_detail/cicp/14824.html} }
TY - JOUR T1 - A Multirate Approach for Fluid-Structure Interaction Computation with Decoupled Methods AU - Zhang , Lian AU - Cai , Mingchao AU - Mu , Mo JO - Communications in Computational Physics VL - 4 SP - 1014 EP - 1031 PY - 2020 DA - 2020/02 SN - 27 DO - http://doi.org/10.4208/cicp.OA-2018-0305 UR - https://global-sci.org/intro/article_detail/cicp/14824.html KW - Fluid and structure interaction (FSI), decoupled methods, multirate time step, stability, β scheme. AB -

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.

Lian Zhang, Mingchao Cai & Mo Mu. (2020). A Multirate Approach for Fluid-Structure Interaction Computation with Decoupled Methods. Communications in Computational Physics. 27 (4). 1014-1031. doi:10.4208/cicp.OA-2018-0305
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