Create Sources

Use the Sources tools to specify a collection of body forces (heat, momentum, or species) within solid bodies.

Create Heat Sources

Use the Sources: Heat tool to define heat sources per unit volume or per unit mass for the energy equation.

  1. From the Flow ribbon, click the Sources > Heat tool.


    Figure 1.
  2. Select solids.
  3. In the microdialog, select a definition.
    For Per Unit Volume and Per Unit Mass, define a function type as well.
  4. Define the heat source.
    Option Method
    Constant Enter a heat source value.
    Linear, Cubic Spline, Piecewise Linear
    1. Click .
    2. In the dialog, select a variable from the Varying motion basis drop-down menu.
    3. Use the table and plot area to input data.
    User Function
    1. Click .
    2. In the dialog, enter a function expression.
    3. Select an argument from the drop-down menu.
    4. Use the table to input data.
    Total Power Total power generated by all selected solids.

    Enter a constant value.
  5. From the guide bar, execute the command in the following ways:
    • Click to confirm your selection and remain in the tool.

      This allows you to continue creating instances and helps you visualize and edit instances with the legend.

    • Click to confirm your selection and exit the tool.

Create Momentum Sources

Use the Sources: Momentum tool to set up body forces applied to the momentum equation.

You can use this tool to define a body force locally for any solid body, apart from global gravity.

  1. From the Flow ribbon, click the Sources > Momentum tool.


    Figure 2.
  2. Select solids.
  3. In the microdialog, select a type and define the momentum source.
    Option Method
    Constant Enter values for the components of the momentum source.
    Linear and Cubic Spline
    1. Click .
    2. In the dialog, define the X axis using the Curve fit variable drop-down menu.
    3. Use the table and plot area to input data.
    Tip: Click the X-source, Y-source, and Z-source options beneath the plot to toggle their visibility.
    User Function
    1. Click .
    2. In the dialog, enter a function expression.
    3. Select an argument from the drop-down menu.
    4. Use the table to input data.
  4. From the guide bar, execute the command in the following ways:
    • Click to confirm your selection and remain in the tool.

      This allows you to continue creating instances and helps you visualize and edit instances with the legend.

    • Click to confirm your selection and exit the tool.

Create Species Sources

Use the Sources: Species tool to define species sources per unit volume or per unit mass for a species transport equation.

  1. From the Flow ribbon, click the Sources > Species tool.


    Figure 3.
  2. Select solids.
  3. In the microdialog, select a definition and a type.
  4. Define the species source.
    Option Method
    Constant Enter values for each species concentration.
    Linear, Cubic Spline, Piecewise Linear
    1. Click .
    2. In the dialog, define the X axis using the Curve fit variable drop-down menu.
    3. Use the table and plot area to input data.
    User Function
    1. Click .
    2. In the dialog, enter a function expression.
    3. Select an argument from the drop-down menu.
    4. Use the table to input data.
  5. From the guide bar, execute the command in the following ways:
    • Click to confirm your selection and remain in the tool.

      This allows you to continue creating instances and helps you visualize and edit instances with the legend.

    • Click to confirm your selection and exit the tool.