About the Comsol

Dear experts, I am using Comsol with Garfield++ for simulation, and the file import seems to be OK. However, when simulating electronic drift, the terminal keeps output the following statement, may I ask what is the possible reason?

this message tells you that the calculation of the local coordinates within an element did not achieve the usual precision. This can be due to very much curved elements. In such cases, the first order approximation is used - this is usually good at the percent level.

Since this function is called many, many times it is harmless to have a few 100 of such messages. You can turn off the warning using EnableConvergenceWarnings(false);.

Having lots of those messages can point at poor meshing or (near) conflicts of volumes.

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