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| Name | User-Defined Function (UDF) Concepts in ANSYS Fluent |
| Video Uploader | Video From MR-CFD ANSYS Fluent Training |
| Upload Date | This Video Uploaded At 27-09-2023 14:58:14 |
| Video Discription | Introduction to UDF Concepts This video aims to talk about User-Defined Function (UDF) Concepts. This lesson will give you a general introduction to the UDF and an overview of using UDF programming in ANSYS Fluent. This product is the first chapter of the UDF training course. We fully and comprehensively introduce you to UDF writing and its importance in Ansys Fluent software. First, we teach how to run UDF in Fluent software. For this, you can use two methods: Compiling Interpreting When you use UDF, there is a link between the UDF commands and the internal data of the Fluent software. So, we introduce a concept called Mesh Terminology. Therefore, we define concepts such as Mesh Components, Structure Data, Threads, Pointers, etc. To program UDF, we must use predefined Macros in Fluent Ansys. So, UDF can be classified based on the type of macros used. In this training chapter, we introduce different types of commonly used macros. Some of them are: General Purpose DEFINE Macros Model-Specific DEFIENE Macros Multiphase DEFINE Macros Discrete Phase Model (DPM) DEFINE Macros Dynamic Mesh DEFINE Macros Each category has several examples of macros, and we introduce some commonly used examples. Then, we explain the use and function of each of these macros. Each of these macros consists of several arguments. We introduce each of these arguments and explain their function. Some examples of general purpose macros category: DEFINE_ADJUST DEFINE_DELTAT DEFINE_EXECUTE_AT_END DEFINE_INIT Some examples of model-specific macros category: DEFINE_PROFILE DEFINE_PROPERTY DEFINE_SOURCE DEFINE_PRANDTL Some examples of multiphase macros category: DEFINE_CAVITATION_RATE DEFINE_EXCHANGE_PROPERTY DEFINE_MASS_TRANSFER Some examples of discrete phase model (DPM) macros category: DEFINE_DPM_BC DEFINE_DPM_DRAG DEFINE_DPM_EROSION Some examples of dynamic mesh macros category: DEFINE_CG_MOTION DEFINE_SDOF_PROPERTIES DEFINE_GRID_MOTION In the next section, we introduce some examples of additional macros: Data Access Macros Looping Macros Vector and Dimensions Macros Time-Dependent Macros |
| Category | Science & Technology |
| Tags | user defined function | UDF | ANSYS Fluent | ANSYS Fluent Training | General Purpose DEFINE Macros | Model-Specific DEFIENE Macros | Multiphase DEFINE Macros | Discrete Phase Model (DPM) DEFINE Macros | Dynamic Mesh DEFINE Macros | DEFINE_ADJUST | DEFINE_DELTAT | DEFINE_SOURCE | DEFINE_PRANDTL | DEFINE_DPM_BC | DEFINE_DPM_EROSION | DEFINE_DPM_DRAG | DEFINE_GRID_MOTION | DEFINE_SDOF_PROPERTIES | DEFINE_CG_MOTION | Data Access Macros | Looping Macros | Vector and Dimensions Macros | Time-Dependent Macros |
