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About the Phase field method in comsol

Posted Jan 20, 2011, 9:53 a.m. EST Modeling Tools & Definitions, Parameters, Variables, & Functions Version 4.0 1 Reply

Xiaoyi Yu
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Why does the comsol use the Cahn-Hilliard Equation, not the Allen-Cahn Equation as the governing equation?
the phase-field variable "phi" is non-conserved variable, so Allen-Cahn Equation should be used I think.
Thank you!
1 Reply Last Post Jan 20, 2011, 9:57 a.m. EST
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Jan 20, 2011, 9:57 a.m. EST
Hi

are you referring to this :

www.math.purdue.edu/~shen/pub/ac_ch.pdf

then I would say that is a question to ask "support", but perhaps somewhone else out here has an idea ;)

--
Good luck
Ivar
Hi are you referring to this : http://www.math.purdue.edu/~shen/pub/ac_ch.pdf then I would say that is a question to ask "support", but perhaps somewhone else out here has an idea ;) -- Good luck Ivar

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