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thermal plasma

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i have build a inductor coupled plasma followed the thermal plasma instruction.But when i start compute the simulation,the information shows that something wrong with the calculation.The error window shows as follws:
Attempt to evaluate real logarithm of negative number.
- Function: log
Failed to evaluate expression.
- Expression: log(mod1.icp.w0_wAr_1p).
For this ,i have look for some reference and i know that when it comes to the logarithm the a of log(a) becames negative.
Could anyone can help me with the setting of the advanced solvers,thanks!

0 Replies Last Post 30.10.2013, 03:33 GMT-4
COMSOL Moderator

Hello Ruifeng Sun

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