Guilin Sun
Ansys Employee

Please refer to this example:

once you import the temperature data (attribute) with given voltage, you can sweep the voltage or voltage point. Then you can get neff as a function of voltage. However it is not with temperature, as the temperature is a spatial distribution and it is not a single value at each voltage.

Please check the example and see if you can duplicate the result, and then modify it to fit your need.