A Hard Constraint Algorithm to Model Particle Interactions in DNA-Laden Flows

We present a new numerical method for particle interactions in polymer-fluid models of DNA-laden flows. The DNA is represented by a bead-rod polymer model and is fully-coupled to the fluid. The main objective in this work is to properly model polymer-polymer and polymer-surface interactions by enfor...

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Vydané v:Nanoscale and microscale thermophysical engineering Ročník 11; číslo 1-2; s. 121 - 128
Hlavní autori: Trebotich, D., Miller, G.H., Bybee, M.D.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Taylor & Francis Group 01.01.2007
Predmet:
fluid-polymer coupling
microfluidics
multiscale computational modeling
Navier-Stokes
viscoelasticity
ISSN:1556-7265, 1556-7273
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Shrnutí:We present a new numerical method for particle interactions in polymer-fluid models of DNA-laden flows. The DNA is represented by a bead-rod polymer model and is fully-coupled to the fluid. The main objective in this work is to properly model polymer-polymer and polymer-surface interactions by enforcing the physical rod-rod and rod-surface non-crossing constraints. Our new method is based on a rigid constraint algorithm whereby rods elastically bounce off one another to prevent crossing, similar to our previous algorithm used to model polymer-surface interactions.
Bibliografia:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1556-7265
1556-7273
DOI:10.1080/15567260701337423