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January 19, 2003, 10:43 |
averaging parameter in Tascflow
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#1 |
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Hi While applying the LES model in TASCflow, for getting the averaged results, we can use certain averaging parameters like AVE_LEVEL. The help of tascflow documentation is.. If AVE_LEVEL=1, 2 or 3, the velocity components AVE_U, AVE_V and AVE_W are written to the RSO file.
If AVE_LEVEL=2 or 3, the square of the velocity components AVE_UU, AVE_VV, AVE_WW, AVR_UV, AVE_UW and AVE_VW are written to the RSO file in addition to the velocity components. If AVE_LEVEL=3, the turbulent viscosity AVE_VISCT is also written to the RSO file. The other parameters used are AVE_BEGIN, AVE_END and AVE_DELTA But when I am using this parameter, the solver says that this parameter is unused with a warning WARNING: One or more parameter file variables were never used. They may be incorrectly spelled, or invalid for the 3-D flow code. The following unused parameters were found: AVE_LEVEL Although it writes the values of the various averaged quantities,but values for all the parameters are zero. Can somebody give a clue. thanks in advance |
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January 20, 2003, 11:06 |
Re: averaging parameter in Tascflow
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#2 |
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I'm not familiar with those parameters you have commented, however in TASCflow, some parameters are only valid if you set what I should call a main parameter, otherwise you'll get warnings. Suppose that you want to plot the Pressure results in every timestep for your simulation. You'll set in your PRM file
TRNP = t But, if you don't set TRANSIENT_FILES = t TRANSIENT_FILE_STYLE = 1 also, you'll get a warning about the unused TRNP parameter. Hope this helps. Regards, cfd guy |
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