Add the Composite Material

We can easily add the composite material to our model with the plug-in for Simulation Composite Analysis.

1. Click the COMPOSIT button from the ANSYS Toolbar and select Create Composite Material.
   Note: The COMPOSIT button only works in the model creation preprocessor (/PREP7).
2. From the material library list, select IM7_977-3. Make a note of the ANSYS Material ID, 9021. We will need this number later when we assign the material to the composite layers.
Note: The ANSYS Material ID (9021) may be different on your machine depending on the materials in your database.
3. Since our model geometry was created in units of millimeters, select N/mm/K from the Select Units list.
4. Select 1 as the fiber direction.
5. Set the Matrix Post-Failure Stiffness value to 0.1 and the Fiber Post-Failure Stiffness value to 0.001. These values specify the ratio of damaged to undamaged material stiffnesses for the material. For example, a value of 0.01 for the Fiber Post-Failure Stiffness means that when an integration point undergoes a fiber failure event, the material stiffnesses at that integration point will degrade to 1% of the undamaged properties.
6. Click OK.