ABBATE, Emanuela; IOLLO, Angelo; PUPPO, Gabriella

doi:10.4208/cicp.OA-2018-0188

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ABBATE, Emanuela
Université de Bordeaux [UB]
Universitá degli Studi dell’Insubria = University of Insubria [Varese] [Uninsubria]
Modeling Enablers for Multi-PHysics and InteractionS [MEMPHIS]

IOLLO, Angelo
Université de Bordeaux [UB]
Modeling Enablers for Multi-PHysics and InteractionS [MEMPHIS]

PUPPO, Gabriella
Università degli Studi di Roma "La Sapienza" = Sapienza University [Rome] [UNIROMA]

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Ce document a été publié dans

Communications in Computational Physics. 2020-01-01, vol. 27, n° 1

Global Science Press

Résumé en anglais

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 con-stitutive 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.< Réduire

Mots clés en anglais

Low Mach regime

Moving boundaries

Eulerian elasticity

Multi-material interfaces

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An implicit scheme for moving walls and multi-material interfaces in weakly compressible materials

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