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|Title:||Coupling finite elements and finite volumes by Lagrange multipliers for explicit dynamic fluid-structure interaction|
|Authors:||CASADEI Folco; LECONTE NICOLAS|
|Citation:||INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING vol. 86 no. 1 p. 1-17|
|Publisher:||JOHN WILEY & SONS LTD|
|Type:||Articles in periodicals and books|
|Abstract:||This paper proposes a strategy for coupling a Finite-Element description of structures with a Finite-Volume description of fluids by means of the Lagrange multipliers method, for the numerical simulation of Fluid-Structure Interaction problems in fast transient dynamics. The structural domain uses the classical explicit Central Difference time integration scheme, while in the fluid domain a node-centered Finite Volume scheme is adopted, which achieves second-order accuracy in space and in time by a predictor-corrector algorithm combined with a MUSCL-like technique. The FV time marching scheme is suitably adapted to enable ¿strong¿ coupling with the CD scheme via Lagrange multipliers. Numerical examples illustrate the effectiveness of the proposed procedure.|
|JRC Institute:||Institute for the Protection and Security of the Citizen|
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