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electrophoresis and finite volume

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Old   July 9, 2005, 16:16
Default electrophoresis and finite volume
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I am wondering if any of you know how to handle electrophoretic transport in a finite volume concentration solver. I've always thought (by reading SV Patankar) that upwinding, power law, etc., require a continuity-satisfying flow field. Electrophoretic velocity has nothing to do with continuity. However, I also don't think it can be put into a source term because it is a flux. Any thoughts? Thank you.
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Old   July 10, 2005, 15:09
Default Re: electrophoresis and finite volume
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How about using writing all equations in a new co-ordinate moving with speed u_eph i.e. x_new=x_old-ueph*t?
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