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Calculation of R using post processing utility |
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March 18, 2013, 02:32 |
Calculation of R using post processing utility
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#1 |
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Choudhury
Join Date: Oct 2011
Location: USA
Posts: 4
Rep Power: 15 |
I wanna know why the post processing utility 'R' does not work until and unless the solver says for example "SIMPLE SOLUTION HAS CONVERGED" even though the residuals drop to whatever..... I cannot change the code since I work in a university. I need some solution to this....Any help would be appreciated...thanks
There are other ways to get R but would want this thing to work...why do I have to wait till the solver says bla bla bla only converges with simplefoam if div(U) is calculated with the scheme "linear upwind" which is 1st order Why doesn't OpenFOAM have R -latestTime?? Last edited by choudhury; March 18, 2013 at 04:35. |
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March 18, 2013, 18:42 |
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#2 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
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Greetings choudhury,
You can compile your own copy of the R application, on your own account. As an example, follow the instructions from this tutorial: http://openfoamwiki.net/index.php/Ho...ure_to_icoFoam Best regards, Bruno
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March 18, 2013, 21:05 |
R
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#3 |
New Member
Choudhury
Join Date: Oct 2011
Location: USA
Posts: 4
Rep Power: 15 |
Hi. Thanks a lot ! I have no issues with calculation of R with K-E model..but for SST it just calculates for time 0. Most of the time it doesn't work...initial conditions by Seegmiller and Driver for BFS...Also compilation can't be done on the cluster...I have been using OF for quiet a while..but never been able to understand why R isn't working for SST.. The fvSchemes file has div(phi,R), div(R) ..and so on
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March 24, 2013, 12:59 |
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#4 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 10,981
Blog Entries: 45
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Hi choudhury,
I had a quick look to how R works and in OpenFOAM 2.1.x is does have the "-latestTime" option and it worked for a quick test I did. Which version of OpenFOAM are you using on the cluster? Best regards, Bruno
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