Numerical Simulation of Fluid-Structure- and Fluid-Structure-Acoustic Interaction Based on a Partitioned Coupling Scheme

Frank Schäfer (), Stefan Kniesburges, Thomas Uffinger, Stefan Becker, Jens Grabinger, Gerhard Link and Manfred Kaltenbacher ()
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Frank Schäfer: University of Erlangen-Nuremberg, Institute of Fluid Mechanics
Stefan Kniesburges: University of Erlangen-Nuremberg, Institute of Fluid Mechanics
Thomas Uffinger: University of Erlangen-Nuremberg, Institute of Fluid Mechanics
Stefan Becker: University of Erlangen-Nuremberg, Institute of Fluid Mechanics
Jens Grabinger: University of Erlangen-Nuremberg, Department of Sensor Technology
Gerhard Link: University of Erlangen-Nuremberg, Department of Sensor Technology
Manfred Kaltenbacher: University of Erlangen-Nuremberg, Department of Sensor Technology

A chapter in High Performance Computing in Science and Engineering, Garching/Munich 2007, 2009, pp 335-348 from Springer

Abstract: Abstract A coupling scheme for the simulation of problems involving fluid-structure and fluid-structure-acoustic interactions is described. For the simulation of fluid-structure interactions an implicit coupling between the flow field and the mechanical structure is applied. In order to determine the acoustic radiation due to mechanical vibrations, a direct coupling between the mechanical structure and the acoustic field is employed. At the structure-acoustic interface non-matching grids are realized with mortar elements. The exchange of physical quantities between the structured mesh of the flow computation and the unstructured mesh of the structural computation is performed by MpCCI. Applications to the flow around an oscillating rigid body and the flow over a flexible plate are presented.

Date: 2009
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DOI: 10.1007/978-3-540-69182-2_27

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