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How to model dissolution and/or erosion of a tablet/pill?

Ro Garcia Fernandez Transport Phenomena

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Hi,

I want to model the dissolution and/or erosion of a pill with COMSOL. I'm interested to know how fast the radius of the pill changes over time as the pill dissolves in to an aqueous domain, and how the concentration of the main constituent of the pill changes from the center of the pill to a distance away from the center. What modules, physics, boundary conditions, and mesh strategies do you recommend?

Kind regards,

Ro G.F.

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Ro. Garcia Fernandez
Chemical Engineer

0 Replies Last Post 2023年2月3日 GMT-5 16:31
COMSOL Moderator

Hello Ro Garcia Fernandez

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