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-   -   Dimension of mesh (http://www.cfd-online.com/Forums/openfoam-solving/59631-dimension-mesh.html)

jackdaniels83 June 19, 2007 04:24

Hi All, when i read in a mesh
 
Hi All,
when i read in a mesh (in my case from gmsh) that is written in millimeters, do i have to scale it by factor 1/1000 in foam to get the right values for U? And how is the surface flow in ParaView written? m/sec, liter/sec, liter/min or something like that?

I hope one can help me,

Daniel

fra76 June 19, 2007 04:31

Everything inside OpenFOAM is
 
Everything inside OpenFOAM is treated in meters, kg, seconds, etc...
So, yes, you have to scale the mesh, if it has been generated in millimiters.
The surface flow in ParaView should match the units used inside OF, so I guess it is m/sec
Francesco

jackdaniels83 June 19, 2007 04:52

Thanks Francesco, that's exac
 
Thanks Francesco,
that's exactly what i needed to know. Can someone confirm that ParaView is also using the SI units?

Daniel

dmoroian June 19, 2007 06:21

ParaView is just a postprocess
 
ParaView is just a postprocessor, so it doesn't care about units.
This means it will preserve whatever values it receives.

Dragos


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