This section describes how you can define additional types of material models. The following topics are covered:

• “Defining an acoustic medium,” Section 12.11.1

• “Defining electrical properties,” Section 12.11.2

• “Defining mass diffusion,” Section 12.11.3

• “Defining a fluid-filled porous material,” Section 12.11.4

• “Defining gasket behavior,” Section 12.11.5

• “Defining equations of state,” Section 12.11.6