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Absolute tolerance

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Hi,
I am studying mass transfer from a sphere into the surrounding in COMSOL. The order of concentration values I got from the simulations is 10^-9 when I have used the default absolute tolerance value (0.001) which means my concentration values are as good as zero. So, I have tried to reduce the absolute tolerance value and run the simulations. I was able to go upto an absolute tolerance value of 10^-8, below this if I decrease the value of absolute tolerance, my simulation is not running. Is there a way I can reduce my absolute tolerance still further down?

0 Replies Last Post 8 apr 2016, 06:29 GMT-4
COMSOL Moderator

Hello Ravi Kumar Garikina

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