In order to analyze the fluid-structure interaction between a flow and a flexible structure, an algorithm was presented to couple the lattice Boltzmann method (LBM) and the finite element method (FEM). The LBM was applied to the fluid dynamics while the FEM was applied to the structural dynamics. The two solution techniques were solved in a staggered manner, i.e., one solver after another. Continuity of the velocity and traction was applied at the interface boundaries between the fluid and structural domains. Furthermore, so as to make the fluid-structure interface boundary more flexible in terms of the computational modeling perspective, a technique was also introduced for the LBM so that the interface boundary might not coincide with the fluid lattice mesh. Some example problems were presented to demonstrate the developed techniques.
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February 2008
Research Papers
Coupling of Lattice Boltzmann and Finite Element Methods for Fluid-Structure Interaction Application
Y. W. Kwon
Y. W. Kwon
Department of Mechanical & Astronautical Engineering,
Naval Postgraduate School
, Monterey, CA 93943
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Y. W. Kwon
Department of Mechanical & Astronautical Engineering,
Naval Postgraduate School
, Monterey, CA 93943J. Pressure Vessel Technol. Feb 2008, 130(1): 011302 (6 pages)
Published Online: January 8, 2008
Article history
Received:
July 31, 2006
Revised:
December 20, 2006
Published:
January 8, 2008
Citation
Kwon, Y. W. (January 8, 2008). "Coupling of Lattice Boltzmann and Finite Element Methods for Fluid-Structure Interaction Application." ASME. J. Pressure Vessel Technol. February 2008; 130(1): 011302. https://doi.org/10.1115/1.2826405
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