2D-meshing in cfd

[oliveroxtoby]

gmsh: works fine
cfmesh: meshing error at front-window
snappyhexmesh: gives allways a 3D-mesh (?)

Should be fixed.

[julieng]

Hello,

After compute a 3D case, in which I have boundary layers sub mesh regions, I have only access after Extract Block command to "multiblock datatest and internal mesh". I cannot choose the boundaries of interest like in the tutorial you show me.
What should I do in FreeCAD to have access to the boundaries groups in Paraview ?

Best regards

Julien

[julieng]

I do slightly differently, I don't know why:
I can have access to the boundaries directly in the first node of Paraview Openfoam reader.
After I do the same operation than in the tutorial and finally I integrate over the surface of interest the lift and drag forces, but I think that I have to multiply the pressure calculated by Openfoam by the volumic mass of my fluid [kg/m^3] ? Right?

Best regards

Julien

[thschrader]

... but I think that I have to multiply the pressure calculated by Openfoam by the volumic mass of my fluid [kg/m^3] ? Right?

Right. See unit-definition in p dict after writing the case.