ABAQUS/CAE User's Manual


12.9.1 Specifying thermal conductivity

You can use the Edit Material dialog box to specify isotropic, orthotropic, or fully anisotropic thermal conductivity. For more information, see “Conductivity,” Section 20.2.2 of the ABAQUS Analysis User's Manual.

To specify thermal conductivity:

  1. From the menu bar in the Edit Material dialog box, select ThermalConductivity.

    (For information on displaying the Edit Material dialog box, see “Creating or editing a material,” Section 12.6.1.)

  2. Click the arrow to the right of the Type field, and specify the directional dependence of the thermal conductivity.

  3. Toggle on Use temperature-dependent data to define conductivity as a function of temperature.

    A column labeled Temp appears in the Data table.

  4. Click the arrows to the right of the Number of field variables field to increase or decrease the number of field variables on which conductivity depends.

  5. Enter the applicable data in the Data table:

    Conductivity

    Conductivity, k. (Units of JT–1L–1 –1.) (For isotropic conductivity.)

    k11, k22, and k33

    Three values of conductivity, , , and . (Units of JT–1L–1 –1.) (For orthotropic conductivity.)

    k11, k12, k22, k13, k23, and k33

    Six values of conductivity, , , , , and . (Units of JT–1L–1 –1.) (For anisotropic conductivity.)

    Temp

    Temperature.

    Field n

    Predefined field variables.

    You may need to expand the dialog box to see all the columns in the Data table. For detailed information on how to enter data, see “Entering tabular data,” Section 3.2.7.

  6. Click OK to close the Edit Material dialog box. Alternatively, you can select another material behavior to define from the menus in the Edit Material dialog box (see “Browsing and modifying material behaviors,” Section 12.6.2, for more information).