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"Complex numbers not supported" Error
Posted Aug 17, 2011, 6:48 p.m. EDT Low-Frequency Electromagnetics Version 4.0 1 Reply
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Hi, I'm currently running COMSOL 4.0 with the AC/DC module attempting to create a finite element model of human tissue when passing a current through it. There are a bunch of tissues I've set up with electrical properties, and electrodes to both inject and sense current. I think I have everything set up correctly. However, when I run a frequency domain study, I get an error every time saying "Complex numbers not supported by Algebraic multigrid. Segregated group." I do not have any complex numbers being input into my model, and so can only assume that somewhere there's a square root of a negative number etc etc... Can anyone describe what that error code might mean? Or what might need to be modified abou the model to prevent it? I would attach the model here, but it appears to be too big to upload (20 MB).
Thanks very much,
Tyler
Thanks very much,
Tyler
1 Reply Last Post Aug 18, 2011, 1:44 a.m. EDT
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Posted:
1 decade ago
Hi
these kind of errors are often difficult to identify ;) Anyhow, I would suggest that you get hand on the latest version and tra again, with a fresh rebuild model in the latest version, as the v4 were not yet fully "ironed out"
--
Good luck
Ivar
these kind of errors are often difficult to identify ;) Anyhow, I would suggest that you get hand on the latest version and tra again, with a fresh rebuild model in the latest version, as the v4 were not yet fully "ironed out"
--
Good luck
Ivar