Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 198, Issue 2, Pages 210-222Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2008.07.010
Keywords
Fluid-structure interaction; Semi-implicit time advancing scheme; Finite element
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A semi-implicit time advancing scheme for transient fluid-structure interaction problem is presented. At every time step, a least squares problem is solved by partitioned procedures, such that the continuity of the velocity as well as the continuity of the stress hold at the interface. During the iterative method for solving the optimization problem, the fluid mesh does not move, which reduces the computational effort. The stability of the algorithm is derived. The numerical results presented in this paper show that the computed solution is similar to the one obtained by the implicit algorithm, but the computational time is reduced. (C) 2008 Elsevier B.V. All rights reserved.
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