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Instability in variables at certain time points

Posted Jan 24, 2011, 4:27 p.m. EST Results & Visualization, Studies & Solvers Version 4.1 1 Reply

Melissa Rice
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Hi all - I had an issue with instabilities in a variable (concentration) at certain time points. It fluctuates rapidly and then smooths out at other time points. Sometimes it happens even when the variable is much above zero. I wonder what the issue is. Has anyone faced this problem and fixed it? Thanks
1 Reply Last Post Jan 24, 2011, 4:34 p.m. EST
Melissa Rice
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Posted: 1 decade ago Jan 24, 2011, 4:34 p.m. EST
I am assuming this is because of improper damping of errors. The instability however smooths out after sometime. But i don't want any fluctuations to occur in the first place.
I am assuming this is because of improper damping of errors. The instability however smooths out after sometime. But i don't want any fluctuations to occur in the first place.

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