Geometry in OpenFoam
I am a new OpenFoam-user and have a lot of questions.... i read the User-guide...but still not understanding , how really openfoam works....
so...first of all .... i am interested on the geometry in OpenFoam:
I would like to understand, how OpenFoam builds the geometry..where can i find the information concerning the geometry, that i want to simulate ?
how can know....if my geometry is an air foil, a cylinder or a cavity ?
how can i import CAD-files into OpenFoam ? how can use geometries, that i drew using a CAD-software ? should i only use the stl format ?
Thanks a lot !!!!!
OpenFOAM has 2 general approaches for building geometries: blockMesh and snappyHexMesh.
BlockMesh is typically used for simple geometries, you basicaly define points and builds blocks from them. You can read this for more detailed information. http://www.openfoam.org/docs/user/blockMesh.php
Other way to generate geometry in OpenFOAM is using snappyHexMesh, it takes a stl file as input, and there's various parameters to control the quality of the resultant mesh. for more detail, read this
A tutorial on snappyHexMesh is located at /tutorials/mesh/snappyHexMesh/
That should get you going
thank you :)
but how can i import CAD-files into OpenFoam ? how can i use geometries, that i drew using a CAD-software ? should i only use the stl format ?
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