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Stiff Spring method_problem

Posted 2014年11月18日 GMT-5 04:29 Chemical Reaction Engineering Version 4.3a 1 Reply

Dang Cheng
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Hi, everyone!
i am modlling mass transport in two adjacent domains
i used stiff spring method to handle the interface, but the results are weird.
i attached the model equations and mph file?
Could some one help me with this problem?
1 Reply Last Post 2014年11月18日 GMT-5 05:34
Niklas Rom COMSOL Employee

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Posted: 1 decade ago 2014年11月18日 GMT-5 05:34
In version 5.0 we released an alternative method with constraints, that is much more robust and numerically stable than the stiff-spring method. Check it out:

www.comsol.com/model/separation-through-dialysis-258

Niklas

In version 5.0 we released an alternative method with constraints, that is much more robust and numerically stable than the stiff-spring method. Check it out: http://www.comsol.com/model/separation-through-dialysis-258 Niklas

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