ANSYS Meshing Applicatio

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Chapter 1 IntroductionApril 28, 2009 Inventory #002645
Chapter 8
Surface Meshing
ANSYS Meshing
Application Introduction
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
Automatic Method (Quadrilateral Dominant)
Surface Meshing Mesh Controls
Surface Meshing and Inflation
Workshop 9.1 Meshing a Surface Body for a 2D Fluent Analysis
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
Portfolio accept 2D (Surface) Meshes for 2D Analyses
Surface meshes or shell meshes are created for Surface Bodies
created in DesignModeler or other CAD package
CFX does not accept Surface Meshes as it is inherently a 3D Code.
To do a 2D analysis in CFX, create a volume mesh (using Sweep)
that is 1 element thick in the symmmetry direction for a
Thin Block for Planar 2D
Thin Wedge (< 5°) for Axisymmetric 2D
The Surface Meshing methods discussed in this lecture are therefore appropriate for Fluent CFD or ANSYS Mechanical simulations
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
Automatic Method
(Quad Dominant)
All Triangles
Uniform Quad/Tri
Uniform Quad
April 28, 2009 Inventory #002645
Training Manual
most useful for Surface Meshing
Edge Sizings
Mapped Face Meshing
a paved mesh
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
Surface Meshing method
It is scoped to the surface and defined for the edges as for a swept mesh
3.bin
4.bin
5.bin
April 28, 2009 Inventory #002645
Training Manual
2-D Inflation
April 28, 2009 Inventory #002645
Meshing a Surface Body
Workshop 8.1
Surface Meshing
April 28, 2009 Inventory #002645
Training Manual
This workshop will take you through the process of generating a mesh for a 2-D mixing elbow. The mixing elbow configuration used here is a 2-D representation of piping systems often encountered in power plants. The flow and temperature field in the neighborhood of mixing region is of interest to the CFD analyst.
Goals:
Import the 2D geometry created in DesignModeler to ANSYS Meshing.
Create a 2-D mesh on the surface body.
Goals
April 28, 2009 Inventory #002645
Training Manual
Importing Geometry
Copy the mixingelbow.agdb file from the Tutorial Files folder to your working directory
Start Workbench and double-click the Mesh entry in the Component Systems panel
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April 28, 2009 Inventory #002645
Training Manual
Setting the Mesh Method
In the Projects window, double-click on Mesh to open ANSYS Meshing
Select the Physics Preference to CFD and select the Automatic mesh method in the Meshing Options panel and click OK.
4 Surface
April 28, 2009 Inventory #002645
Training Manual
Right-click on Mesh in the Outline, and select Insert/Sizing. Change
the Selection Filter to Edges and select the 4 edges as shown.
Set the Type for the Ege Sizing to Number of Divisions and enter 10 for the
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April 28, 2009 Inventory #002645
Training Manual
Setting Edge Sizings
April 28, 2009 Inventory #002645
Training Manual
April 28, 2009 Inventory #002645
Training Manual
Mapped Face Meshing and Mesh
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