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plasma module
Posted May 19, 2014, 2:44 a.m. EDT Plasma Physics 1 Reply
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Hi
i am a new comsol user, i built a 2 D axisymmetric DC discharge plasma jet with argon but when i plot electric field in either 1D plot or 2 D plot by writing -Vx in y axis, an error message "failed to evaluate variable Vx
when i edit y axis field by current density, electric field or displacement current density, comsol error" failed to evaluate mod1.dc.jdr"
i don't know how can i plot electric field,current density, or displacement current density
i am a new comsol user, i built a 2 D axisymmetric DC discharge plasma jet with argon but when i plot electric field in either 1D plot or 2 D plot by writing -Vx in y axis, an error message "failed to evaluate variable Vx
when i edit y axis field by current density, electric field or displacement current density, comsol error" failed to evaluate mod1.dc.jdr"
i don't know how can i plot electric field,current density, or displacement current density
1 Reply Last Post May 19, 2014, 10:05 a.m. EDT
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Posted:
1 decade ago
Hi Viola,
Have you computed the study that solves for these variables? In your plot group node, have you selected the right data set? And in the graph subnode, have you selected the right domain? And are you sure you have entered the right variable names? I think the default variable name for the electric field in the x-direction is 'Ex'. You can check/set these variable names in the physics node that has this variable as dependent variable.
Have you computed the study that solves for these variables? In your plot group node, have you selected the right data set? And in the graph subnode, have you selected the right domain? And are you sure you have entered the right variable names? I think the default variable name for the electric field in the x-direction is 'Ex'. You can check/set these variable names in the physics node that has this variable as dependent variable.