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Hi,

I am modeling a nanosecond pulsed plasma discharge to reform methane.

I have imported an external CR circuit (.cir) to produce nanosecond voltage and also I am using plasma interfce. I have attached the electrical circuit. Does anything else is needed to connect two interfaces ( I have defined a metal contact as the discharge component and the ground under the plasma interface).

I am getting several errors and the model in not converging. Can someone guide me please.

ERROR:

Attempt to evaluate real square root of negative number. - Function: sqrt Failed to evaluate variable. - Variable: comp1.plas.nue_th - Defined as: sqrt((comp1.plas.Te(e_const8))/(pime_const)) Failed to evaluate variable. - Variable: comp1.plas.ne_bnd - Defined as: (((-0.5)comp1.plas.nue_th)comp1.plas.ne)+comp1.plas.sflux Failed to evaluate variable. - Variable: comp1.plas.nJe - Defined as: e_constcomp1.plas.ne_bnd Failed to evaluate expression. - Expression: (((-comp1.plas.nJt)-comp1.plas.nJe)-(comp1.plas.nxcomp1.plas.Jdx))comp1.plas.A Failed to evaluate expression. - Expression: comp1.plas.intmct1((((-comp1.plas.nJt)-comp1.plas.nJe)-(comp1.plas.nxcomp1.plas.Jdx))comp1.plas.A) Failed to evaluate variable. - Variable: comp1.plas.I_1 - Defined as: comp1.plas.intmct1((((-comp1.plas.nJt)-comp1.plas.nJe)-(comp1.plas.nxcomp1.plas.Jdx))comp1.plas.A) Failed to evaluate expression. - Expression: d(-comp1.plas.I_1test(comp1.plas.mct1.V0e_1),{test@1}) Failed to evaluate Jacobian of expression. - Expression: -comp1.plas.I_1test(comp1.plas.mct1.V0e_1