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undefined variable error
Posted 05.04.2018, 13:36 GMT-4 Structural & Acoustics, Heat Transfer & Phase Change Version 5.2 0 Replies
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Hi COMSOL Users,
I am new to using COMSOL 5.2a and perhaps because of that I am missing something simple. I have tried to model solidification of aluminium in sand mold, i have used "heat transfer in liquid (ht2)" and "heat transfer in solid (ht3)" but I get several error:
Undefined variable. - Variable: T - Geometry: geom1 - Domain: 1 Failed to evaluate Jacobian of expression. - Expression: (comp1.ht3.d((-comp1.ht3.k_effxx)comp1.T3x))dvol Failed to evaluate Jacobian of expression. - Expression: ((-comp1.ht3.k_effxxcomp1.T3xtest(comp1.T3x)-comp1.ht3.k_effyycomp1.T3ytest(comp1.T3y))comp1.ht3.d)*(dvol)
Has anyone had problems like the above ones? How can fox these issues?
Thanks in advance,
Hello Dor Mah
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