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July 1, 2014, 19:49 |
Probe function not recording data
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#1 |
New Member
Charles
Join Date: Apr 2014
Posts: 9
Rep Power: 12 |
Hello
I am trying to use the probe function in controlDict to record the solution from my solver at different points in a duct. However, when I run the solver, only the first time step is found in the post processing folder which is no good because I want to look at the flow behaviour over time. I have used probesDict as a post processing tool but I found that my data are massive and I don't really need the solutions to all other locations. Can anyone please help point me in the right direction? Here is my controlDict file: application mhdsolver; startFrom latestTime; startTime 0; stopAt endTime; endTime 3.5; deltaT 0.0001; writeControl timeStep; writeInterval 6; purgeWrite 0; writeFormat ascii; writePrecision 6; writeCompression uncompressed; timeFormat general; timePrecision 6; graphFormat raw; runTimeModifiable yes; adjustTimeStep yes; functions ( probes { type probes; functionObjectLibs ( "libsampling.so" ); outputControl timeStep; outputInterval 1; fields ( U T p PotE ); probeLocations ( (8 0.0 0.0) ); } ) libs ("libfiniteVolume.so" "libOpenFOAM.so"); // ************************************************** *********************** // Thanks you for your time. |
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July 3, 2014, 02:35 |
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#2 |
Senior Member
matej forman
Join Date: Mar 2009
Location: Brno, Czech Republic
Posts: 182
Rep Power: 17 |
well - the probe writes the data to a file which is called after the time it starts writing, therefore in that file you have values for each time in a line. In the first line you have names of variables in columns.
In your case it will look like: time Ux Uy Uz T p PotE for more points the set of columns would repeat to the right. good luck matej |
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July 7, 2014, 19:55 |
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#3 |
New Member
Charles
Join Date: Apr 2014
Posts: 9
Rep Power: 12 |
Thanks for your explanation
charles |
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