How can I define a materials parameter according to time under comsol 5.0
because when i try to solve my modele i have warning message like this
Variable non définie.
- Variable: t
- Géométrie: geom1
- Domaine: 1
Echec dans l'évaluation de la variable.
- Variable: comp1.ht.kzz
- Défini par: ((((((comp1.ht.F_mat23^2)+(comp1.ht.F_mat13^2))+(comp1.ht.F_mat33^2))*(comp1.mat1.def.k(comp1.mat1.def.rho((t/unit_s_cf)))*unit_W_cf))*comp1.ht.detInvF)/(unit_m_cf*unit_K_cf))
Echec dans l'évaluation de la variable.
- Variable: comp1.ht.k_effzz
- Défini par: comp1.ht.kzz
Echec dans l'évaluation de l'expression.
- Expression: d(((-(comp1.ht.k_effxx*comp1.Tx+comp1.ht.k_effxy*comp1.Ty+comp1.ht.k_effxz*comp1.Tz)*test(comp1.Tx)-(comp1.ht.k_effyx*comp1.Tx+comp1.ht.k_effyy*comp1.Ty+comp1.ht.k_effyz*comp1.Tz)*test(comp1.Ty)-(comp1.ht.k_effzx*comp1.Tx+comp1.ht.k_effzy*comp1.Ty+comp1.ht.k_effzz*comp1.Tz)*test(comp1.Tz))*comp1.ht.d)*(dvol_spatial),{test@16})
- Caractéristique: Solveur stationnaire 1 (sol2/s1)
Yes i want to to know, how to vary the material properties as per time change?
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