NDLI: Multiple-component lattice Boltzmann equation for fluid-filled vesicles in flow.

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Multiple-component lattice Boltzmann equation for fluid-filled vesicles in flow.

Content Provider	Semantic Scholar
Author	Halliday, Ian Pontrelli, Giuseppe Care, Chris M.
Copyright Year	2013
Abstract	We document the derivation and implementation of extensions to a two-dimensional, multicomponent lattice Boltzmann equation model, with Laplace law interfacial tension. The extended model behaves in such a way that the boundary between its immiscible drop and embedding fluid components can be shown to describe a vesicle of constant volume bounded by a membrane with conserved length, specified interface compressibility, bending rigidity, preferred curvature, and interfacial tension. We describe how to apply this result to several, independent vesicles. The extended scheme is completely Eulerian, and it represents a two-way coupled vesicle membrane and flow within a single framework. Unlike previous methods, our approach dispenses entirely with the need explicitly to track the membrane, or boundary, and makes no use whatsoever of computationally expensive and intricate interface tracking and remeshing. Validation data are presented, which demonstrate the utility of the method in the simulation of the flow of high volume fraction suspensions of deformable objects.
Starting Page	023307
Ending Page	023307
Page Count	1
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.iac.rm.cnr.it/~pontrell/pub/PhysRevE2013.87.023307.pdf
PubMed reference number	23496639v1
Volume Number	87
Issue Number	2
Journal	Physical review. E, Statistical, nonlinear, and soft matter physics
Language	English
Access Restriction	Open
Subject Keyword	Bending - Changing basic body position Embedding Fill Interface Device Component Muscle Rigidity Physical object Suspensions Tension Headache Tissue membrane Vesicle (morphologic abnormality) Volume fraction vesicle membrane
Content Type	Text
Resource Type	Article

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