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Comsol - dependent variables in Global equation

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Old   July 9, 2014, 13:14
Lightbulb Comsol - dependent variables in Global equation
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Hi all,

I have a simple question. I am solving a PDE with Comsol and I have a source term which is a function of the PDE's dependent variable.

So I used "global equation" in Comsol, but the PDE's variable is not recognized there. I get this error (phi is the PDE variable):

Failed to evaluate variable Jacobian.
- Variable: phi
- Global scope:
- Feature: Time-Dependent Solver 1 (sol1/t1)

How can I fix that?

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comsol, dependent variable, pde

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