Year: 2020
Author: Emanuela Abbate, Angelo Iollo, Gabriella Puppo
Communications in Computational Physics, Vol. 27 (2020), Iss. 1 : pp. 116–144
Abstract
We propose a numerical method for the simulation of flows from weakly compressible to low Mach regimes in domains with moving boundaries. Non-miscible weakly compressible materials separated by an interface are included as well. The scheme is fully implicit and it exploits the relaxation all-speed scheme introduced in [1]. We consider media with significantly different physical properties and constitutive laws, as fluids and hyperelastic solids. The proposed numerical scheme is fully Eulerian and it is the same for all materials. We present numerical validations by simulating weakly compressible fluid/fluid, solid/solid and solid/fluid interactions.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/cicp.OA-2018-0188
Communications in Computational Physics, Vol. 27 (2020), Iss. 1 : pp. 116–144
Published online: 2020-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 29
Keywords: Multi-material interfaces moving boundaries low Mach regime Eulerian elasticity.