Abstract
This paper presents a Lagrange multiplier/fictitious domain method for direct simulation of three dimensional multiphase flow problems involving the Navier-Stokes equations coupled with rigid body equations. A fictitious domain method using Lagrange multipliers is used to enforce the boundary conditions to simulate the flow around a moving rigid body, thus avoiding the need of a body fitted mesh that requires frequent remeshing. It is combined with a second-order characteristic/projection finite element scheme.
At the end, the results of a test case are presented.
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© 2001 Springer-Verlag Berlin Heidelberg
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Diaz-Goano, C., Minev, P., Nandakumar, K. (2001). A Lagrange Multipliers/Fictitious Domain Approach for Particulate Flow. In: Margenov, S., Waśniewski, J., Yalamov, P. (eds) Large-Scale Scientific Computing. LSSC 2001. Lecture Notes in Computer Science, vol 2179. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45346-6_43
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DOI: https://doi.org/10.1007/3-540-45346-6_43
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