Random walk implementation of rotary diffusion in Lagrangian models of fiber orientation

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dc.contributor.authorAhmadi, Omid
dc.contributor.authorKuzmin, Dmitri
dc.date.accessioned2017-02-14T09:36:50Z
dc.date.available2017-02-14T09:36:50Z
dc.date.issued2017-01
dc.description.abstractA comprehensive comparison of the Lagrangian and Eulerian frameworks for one-way coupled simulations of fiber suspension flows is performed for 2D and 3D models of orientation dynamics. An alternative approach to modeling the interactions of fibers is proposed for the Lagrangian framework. The presented methodology is based on the idea of the random walk, which is commonly used for modeling diffusion-like processes due to the Brownian motion of molecules. It is shown that a restriction of the random walk to the unit sphere provides an accurate description of orientation changes caused by interactions between fibers.en
dc.identifier.issn2190-1767
dc.identifier.urihttp://hdl.handle.net/2003/35799
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-17823
dc.language.isoen
dc.relation.ispartofseriesErgebnisberichte des Instituts für Angewandte Mathematik;553de
dc.subjectfiber suspension flowsen
dc.subjectLagrangian modelingen
dc.subjectstochastic simulationen
dc.subjectrandom walken
dc.subjectdiffusion on a sphereen
dc.subject.ddc610
dc.titleRandom walk implementation of rotary diffusion in Lagrangian models of fiber orientationen
dc.typeText
dc.type.publicationtypepreprint
dcterms.accessRightsopen access

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