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Create a new directory called cylinder and start GAMBIT from that directory by typing gambit -id cylinder at the command prompt.

Under Main Menu, select Solver > FLUENT 5/6 since the mesh to be created is to be used in FLUENT 6.0.

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Create the cylinder using two arcs. The cylinder is created with two arc because they are going to be meshed differently. First Back arc span spans from -90 to 90 deg. Second Front arc span spans from 90 to -90 deg. Both arc with radius 1.

Operation Toolpad > Geometry Command Button > Edge Command Button > Create Edge > Arc >

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Next to Radius, enter 1. Next to Start Angle, enter -90. Next to End Angle, enter 90. Click Apply.  Do the same for front arc but enter different value for angles.

 

Warning
titleAlways make arc in counterclock wise direction

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