FLUENT - Steady Flow Past a Cylinder Step 2

Step 2: Mesh Geometry in GAMBIT

Mesh Edges

Before we mesh the face, we mesh the edges to better define our mesh.

Following figure shows the edges with different mesh properties.

(Click picture for larger image)

Operation Toolpad > Mesh Command Button > Edge Command Button  > Mesh Edges

Select the edge AB. The edge will change color and an arrow will appear on the edge. This indicates that you are ready to mesh this edge. Select interval size under Spacing. Enter 0.04 for interval size.

Next we will mesh the edge BC. Select the edge BC and enter 0.04 for interval size.

Do the same for edge CD and CF.

Now that the appropriate edge meshes have been specified, mesh the face face1:

Operation Toolpad > Mesh Command Button > Face Command Button > Mesh Faces

Select the face1. The face will change color. You can use the defaults of Quad (i.e. quadrilaterals) and Map. Click Apply.

The meshed face should look as follows:

(Click picture for larger image)

Next mesh face face2 in a similar fashion.

The resultant mesh should look as follows:

 (Click picture for larger image)

Note that for each mesh face, we only define 2 mesh edges. Gambit will automatically define the other two mesh edge for face mesh creation. Manual mesh of all edges can be done if more control of the mesh is required. Please refer to the index of the GAMBIT User Guide and look under Edge>Meshing for explanation on other type of meshing parameters.

Go to Step 3: Specify Boundary Types in GAMBIT

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