A scalable and efficient monolithic approach based on the Balancing Domain Decomposition (BDD) method for acoustic fluid-structure interaction problems is developed. The BDD method is a well-known domain decomposition method for non-overlapping sub-domains, which consists of Neumann-Neumann (NN) preconditioning and coarse grid correction. In this study, we derive four types of BDD method, considering two options for NN preconditioning (NN-I and NN-C) and two options for coarse grid correction (CGC-FULL and CGC-DIAG). From the results of numerical experiments, the combination of NN-I and CGC-FULL turns out to be the most efficient scheme, showing fast convergence property irrespective of the number of sub-domains, DOFs of fluid and solid domains, and the added-mass effect of fluid. The combination of NN-I and CGC-DIAG is also expected to be an efficient scheme in some situations in a parallel environment.
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January 2012
Special Section: Computational Fluid Mechanics And Fluid–Structure Interaction
A Monolithic Approach Based on the Balancing Domain Decomposition Method for Acoustic Fluid-Structure Interaction
S. Minami,
S. Minami
Department of Quantum Engineering and Systems Science,
The University of Tokyo
, Bunkyo-ku, Tokyo 113-8656, Japan
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S. Yoshimura
S. Yoshimura
Department of Systems Innovation,
The University of Tokyo
, Bunkyo-ku, Tokyo 113-8656, Japan
Search for other works by this author on:
S. Minami
Department of Quantum Engineering and Systems Science,
The University of Tokyo
, Bunkyo-ku, Tokyo 113-8656, Japan
S. Yoshimura
Department of Systems Innovation,
The University of Tokyo
, Bunkyo-ku, Tokyo 113-8656, Japan
J. Appl. Mech. Jan 2012, 79(1): 010906 (8 pages)
Published Online: December 13, 2011
Article history
Received:
January 19, 2011
Accepted:
September 12, 2011
Online:
December 13, 2011
Published:
December 13, 2011
Citation
Minami, S., Kawai, H., and Yoshimura, S. (December 13, 2011). "A Monolithic Approach Based on the Balancing Domain Decomposition Method for Acoustic Fluid-Structure Interaction." ASME. J. Appl. Mech. January 2012; 79(1): 010906. https://doi.org/10.1115/1.4005092
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