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An efficient interface capturing method for a large collection of interacting bodies immersed in a fluid

hal.structure.identifierEquations aux Dérivées Partielles [EDP ]
hal.structure.identifierModeling Enablers for Multi-PHysics and InteractionS [MEMPHIS]
dc.contributor.authorJEDOUAA, Meriem
hal.structure.identifierModeling Enablers for Multi-PHysics and InteractionS [MEMPHIS]
dc.contributor.authorBRUNEAU, Charles-Henri
hal.structure.identifierEquations aux Dérivées Partielles [EDP ]
dc.contributor.authorMAITRE, Emmanuel
dc.date.created2018-07-04
dc.date.issued2019-02-01
dc.identifier.issn0021-9991
dc.description.abstractEnAn efficient method to capture an arbitrary number of fluid/structure interfaces in a level-set framework is built, following ideas introduced for contour capturing in image analysis. Using only three label maps and two distance functions we succeed in locating and evolving the bodies independently in the whole domain and get the distance between the closest bodies in order to apply a collision force whatever the number of cells is. The method is applied to rigid solid bodies in order to compare to the results available in the literature.In that case, a global penalization model uses the label maps to follow the solid bodies all together without a separate computation of each body velocity. Numerical simulations are performed in two- and three- dimensions. An application to immersed vesicles is also proposed and shows the capability and efficiency of the method to handle numerical contacts between elastic bodies at low resolution. Two-dimensional simulations of vesicles under various flow conditions are presented.
dc.language.isoen
dc.publisherElsevier
dc.subject.enLevel set method
dc.subject.enCollision model
dc.subject.enMultiple bodies
dc.subject.enFluid/structure interaction
dc.subject.enMultiple cells
dc.title.enAn efficient interface capturing method for a large collection of interacting bodies immersed in a fluid
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jcp.2018.11.006
dc.subject.halMathématiques [math]/Analyse numérique [math.NA]
bordeaux.journalJournal of Computational Physics
bordeaux.page143-177
bordeaux.volume378
bordeaux.peerReviewedoui
hal.identifierhal-01236468
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01236468v1
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