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Gnuplot Vector Probes from the funtionObject

Posted June 9, 2012 at 15:27 by Hisham (Notes for OpenFOAM!)

When using the functionObject to probe a vector (e.g. velocity) at a location, the output is in the format:
# Time  vector
1.20   (2.14   8.512   1.005)
Unlike sampling or using probeLocations, until now AFAIK it is not possible to use U.component(0) to spit only the X-component. To resolve that using gnuplot, one can use:
plot 'probeFile' using "%lf (%lf %*lf %*lf)"
to plot the Ux component...
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Metis for OpenFOAM 2.1.0

Posted June 9, 2012 at 10:03 by sunliming

Originally Posted by AlmostSurelyRob View Post
Yes, you need to download metis from this site

and GKLib. GKLib was a bit more tricky to find but I have found it for example here:
You can checkout the whole repository if you have mercurial installed.

Now it's the question of compiling these things. Set up your include
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The directionMixed Boundary Condition

Posted June 7, 2012 at 10:53 by Hisham (Notes for OpenFOAM!)
Updated June 7, 2012 at 13:45 by Hisham

A mixed boundary condition is a combination of a fixedValue (Drichilet) and a fixedGradient (Neumann) boundaries determined by a fraction value. When fraction = 1, the BC is fixedValue and when it is set to zero the BC is fixedGradient. Values in between calculate a value in between (see code).

The directionMixed BC allows changing the fraction value for different directions. Assuming a plane-strain stress analysis that needs fixation in X-direction (Dx = 0) and free Y-direction...
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Radial Turbomachinery meshing in ICEM

Posted June 2, 2012 at 05:44 by Far

In this thread, I have discussed different issues in meshing and geomtry importe related to radial turbochinary. Geomtry and blocking is also posted here. Feel free to use geomtry and blocking and let me know if you have any diffciultly to handle these type of geometries.
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Comparison CFD mesh software GAMBIT with ANSYS MESH

Posted May 30, 2012 at 23:35 by Guava Wang

Some experiences using GAMBIT and ANSYS MESH shares with you guys.In the last five years, I use GAMBIT for meshing model. After ANSYS being merged FLUENT into workbench, GAMBIT isn't included in this product, and it is substituted for ANSYS MESH.
The main differences are as below.
1. model process. GAMBIT can include interior zone by spliting body with surface, and that can also be set as wall.
2.mesh process. ansys mesh can automatically meshed the models...
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