Contents Part I: Creating and Using User Defined Functions | Print pageChapter 2: DEFINE MacrosThis chapter contains descriptions of predefined DEFINE macros that you will use to define your UDF.The chapter is organized in the following sections:2.1. Introduction2.2. General Purpose DEFINE Macros2.3. Model-Specific DEFINE Macros2.4. Multiphase DEFINE Macros2.5. Discrete Phase Model (DPM) DEFINE Macros2.6. Dynamic Mesh DEFINE Macros2.7. Battery Model DEFINE Macros2.8. User-Defined Scalar (UDS) Transport Equation DEFINE Macros « 1.9. Special Considerations for Multiphase UDFs 2.1. Introduction »