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Simulation and Modeling of 2.5D Remeshing Method

Simulation and Modeling of 2.5D Remeshing Method Using ANSYS Fluent

Introduction

This tutorial illustrates the setup of a dynamic mesh and the effect of using the 2.5 D remeshing method.The purpose of this tutorial is to get familiar with the third mesh method of the moving deforming mesh module, which is called remeshing.Through this tutorial you will go through and set the methods, play with the options and parameters, in order to understand and see the changes applied on the mesh. Remeshing is applicable only to the tri and tet elements. So, not all elements can be used. Cells are either added or deleted. Remeshing is often associated with smoothing
In this tutorial you will deal with a 3D application. It uses a 2.5D method for remeshing.The purpose of this tutorial is to get familiar with this type of procedure and show which kind of application it can handle and also show the work flow you will need to apply on such cases.
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
  • Reading and Checking the Mesh
  • Specifying the Solver and Analysis Type
  • Specifying Dynamic Mesh Settings
  • Checking Mesh Motion
  • Summary

Problem Description

Summary

In this tutorial, you have gone through the third mesh method of moving deforming mesh, which is Remeshing.
With this method, there are two other ways of setting the moving deforming mesh:

  • 2.5D remeshing is used when the part to move is contained in a topology that is “sweepable”
  • CutCell remeshing

The Remeshing method can be applied on to 2D elements (tri), 3D ones (tetras), prisms for 2.5D method, and mixed cells for the CutCell method.

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