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How to describe a function for current circulating in a coil?

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In my model (Induction Heating) I want to represent the current that circulates in a coil through a time dependent function. I chose a function generated through value interpolation (figure). However, it is giving the following error:

  - Feature: Stationary Solver 2 (sol1 / s2) Undefined variable.   - Variable: t   - Global scope Failed to evaluate variable.   - Variable: comp1.Currentfunction   - Defined as: comp1.Currentfunction (t / unit_s_cf) Failed to evaluate variable.   - Variable: comp1.mf.coil1.ICoil   - Defined as: (comp1.Currentfunction * unit_A_cf) * exp (i * phase) Failed to evaluate variable.   - Variable: comp1.mf.ICoil_1   - Defined as: comp1.mf.coil1.ICoil Failed to evaluate expression.   - Expression: d ((comp1.mf.ICoil_1-comp1.mf.coil1.Iint) * test (comp1.mf.coil1.VCoil_ode), {test @ 1}) Failed to evaluate Jacobian of expression.   - Expression: (comp1.mf.ICoil_1-comp1.mf.coil1.Iint) * test (comp1.mf.coil1.VCoil_ode)

Could someone help me solve this?


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