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Diffusion Across Interior Boundary

Posted Jul 17, 2022, 6:12 p.m. EDT Chemical, Chemical Reaction Engineering Version 6.0 1 Reply

Mali Ya Mungu Ocoko
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Hello All,

Im currently creating a simple model to model the diffusion of a chemical specie through a microsphere into a tissue like material. I want to apply a flux across the interior boundary, but the interior boundary can't be selected. I have tried to bypass it through making the interior boundary an explicit selection, but when I attempt to choose the selection it is listed as "Not applicable". Does anyone have an idea of how I can apply a flux across an interior boundary?

Thanks, Mali Ya Mungu Ocoko

1 Reply Last Post Aug 1, 2022, 6:37 a.m. EDT
Lasse Murtomäki
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Posted: 2 years ago Aug 1, 2022, 6:37 a.m. EDT

Perhaps you need to define a interfacial layer with certain thickness. Then you can assign the diffusion coefficient in that domain. Of course you can define different diff. coeffs. inside the µ-sphere and outside tissue.

Lasse

Perhaps you need to define a interfacial layer with certain thickness. Then you can assign the diffusion coefficient in that domain. Of course you can define different diff. coeffs. inside the µ-sphere and outside tissue. Lasse

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