2.2.5.3. Example ........................................................................................................................ 22
2.2.5.4. Hooking an Execute From GUI UDF to ANSYS Fluent ....................................................... 23
2.2.6. DEFINE_EXECUTE_ON_LOADING ....................................................................................... 23
2.2.6.1. Description ................................................................................................................... 23
2.2.6.2. Usage ............................................................................................................................ 23
2.2.6.3. Example 1 ..................................................................................................................... 23
2.2.6.4. Example 2 ..................................................................................................................... 24
2.2.6.5. Hooking an Execute On Loading UDF to ANSYS Fluent ................................................... 25
2.2.7. DEFINE_EXECUTE_AFTER_CASE/DATA ............................................................................ 25
2.2.7.1. Description ................................................................................................................... 25
2.2.7.2. Usage ............................................................................................................................ 25
2.2.7.3. Example ........................................................................................................................ 26
2.2.7.4. Hooking an Execute After Reading Case and Data File UDF to ANSYS Fluent .................... 26
2.2.8. DEFINE_INIT ...................................................................................................................... 26
2.2.8.1. Description ................................................................................................................... 26
2.2.8.2. Usage ............................................................................................................................ 26
2.2.8.3. Example ........................................................................................................................ 27
2.2.8.4. Hooking an Initialization UDF to ANSYS Fluent ............................................................... 27
2.2.9. DEFINE_ON_DEMAND ........................................................................................................... 27
2.2.9.1. Description ................................................................................................................... 27
2.2.9.2. Usage ............................................................................................................................ 28
2.2.9.3. Example ........................................................................................................................ 28
2.2.9.4. Hooking an On-Demand UDF to ANSYS Fluent ............................................................... 29
2.2.10. DEFINE_OUTPUT_PARAMETER ......................................................................................... 29
2.2.10.1. Description .................................................................................................................. 29
2.2.10.2. Usage .......................................................................................................................... 29
2.2.10.3. Example ...................................................................................................................... 30
2.2.10.4. Hooking an Output Parameter UDF to ANSYS Fluent .................................................... 30
2.2.11. DEFINE_RW_FILE ............................................................................................................. 31
2.2.11.1. Description .................................................................................................................. 31
2.2.11.2. Usage .......................................................................................................................... 31
2.2.11.3. Example ...................................................................................................................... 31
2.2.11.4. Hooking a Read/Write Case or Data File UDF to ANSYS Fluent ....................................... 32
2.3. Model-Specific DEFINE Macros ...................................................................................................... 32
2.3.1. DEFINE_ANISOTROPIC_CONDUCTIVITY .......................................................................... 38
2.3.1.1. Description ................................................................................................................... 38
2.3.1.2. Usage ............................................................................................................................ 38
2.3.1.3. Example ........................................................................................................................ 38
2.3.1.4. Hooking an Anisotropic Conductivity UDF to ANSYS Fluent ............................................ 40
2.3.2. DEFINE_CHEM_STEP ........................................................................................................... 40
2.3.2.1. Description ................................................................................................................... 40
2.3.2.2. Usage ............................................................................................................................ 40
2.3.2.3. Example ........................................................................................................................ 41
2.3.2.4. Hooking a Chemistry Step UDF to ANSYS Fluent ............................................................. 41
2.3.3. DEFINE_CPHI ...................................................................................................................... 41
2.3.3.1. Description ................................................................................................................... 41
2.3.3.2. Usage ............................................................................................................................ 41
2.3.3.3. Hooking a Mixing Constant UDF to ANSYS Fluent ........................................................... 42
2.3.4. DEFINE_DIFFUSIVITY ...................................................................................................... 42
2.3.4.1. Description ................................................................................................................... 42
2.3.4.2. Usage ............................................................................................................................ 42
2.3.4.3. Example ........................................................................................................................ 43
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UDF Manual
