- Define diffusivity as described in Defining diffusivity.”
- From the menu in the Edit Material dialog box, select Soret Effect.
A Suboption Editor appears. - Toggle on Use temperature-dependent data to define the Soret effect factor as a function of temperature.
A column labeled Temp appears in the Data table. - Click the arrows to the right of the Number of field variables field to increase or decrease the number of field variables included in the definition of the Soret effect factor.
- Enter the following data in the Data table:
- kappa_s
Soret effect factor, . (Units of F1/2L−1.)
- Concentration
Mass concentration of the diffusing material.
- Temp
Temperature.
- Field n
Predefined field variables.
- Click OK to return to the Edit Material dialog box.
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