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Modeling of Use of UDF in Moving Deforming Mesh

Simulation and Modeling for Use of UDF in Moving Deforming Mesh by ANSYS Fluent

Introduction

This tutorial illustrates the setup of a dynamic mesh using different kinds of UDF. You can open the UDFs given and check how they are built.
This tutorial is written with the assumption that you are familiar with the ANSYS Fluent tree and menu structure. Some steps in the setup and solution procedure will not be shown explicitly.

  • Preparation
  • UDF: DEFINE_CG_MOTION
  • UDF: DEFINE_GEOM
  • UDF: DEFINE_GRID_NOTION
  • Summary

Problem Description

Result

Summary

In this tutorial you have played with three different macro UDFs. This was not a detailed study in UDF process or programming but just an introduction to what are the possibilities in using these UDFs.

You have learned how to handle UDFs and understand their scope of use.The following macro UDFs have been studied.

  • DEFINE_CG_MOTION
  • DEFINE_GEOM
  • DEFINE_GRID_MOTION

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