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August 30, 2010, 11:24 |
New Boundary Condition
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#1 | |
Senior Member
Join Date: Jan 2010
Location: Stuttgart
Posts: 150
Rep Power: 16 |
Hi all,
I want to create a new boundary conditon, that combines inletOutlet and timeVaryingUniformFixedValue. Therfore I followed this instructions http://www.tfd.chalmers.se/~hani/kurser/OS_CFD_2008/implementBoundaryCondition.pdf. But when I only copy one existing boundary and then try to compile it. I allways get errors because of redefinitions like this: Quote:
Can anybody help me? Best regards Chrisi |
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September 1, 2010, 09:42 |
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#2 |
Senior Member
Join Date: Jan 2010
Location: Stuttgart
Posts: 150
Rep Power: 16 |
Hi,
I am now abled to compile the original boundary conditions!! But I have problems in combining the two boundaries. I want that the inletValue is read out of a file with time depending values, like in timeVaryingUniformFixedValue. How can I do this? Regards Chrisi |
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September 8, 2010, 15:50 |
Re:
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#3 |
Member
N. A.
Join Date: May 2010
Posts: 64
Rep Power: 16 |
Chris,
Were you able to solve this problem? Even I am looking to give time-varying boundary conditions. I know I can give for lagrangian particles as it is given in dieselFoam, but dont know how to give for boundary conditions in gas-phase. Also do you know how can we impose mass flow boundary conditions. Thanks, Nir |
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September 9, 2010, 02:19 |
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#4 | |
Senior Member
Join Date: Jan 2010
Location: Stuttgart
Posts: 150
Rep Power: 16 |
Hi,
I implemented my bc by using groovyBC. Quote:
You can also make bc incorporating the mass-flow. Therefor you can take flowRateInletVelocity for example. Or for time depending mass-flow take timeVaryingFlowRateInletVelocity. I hope I could help you. Regards Chrisi |
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November 8, 2011, 10:05 |
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#5 |
Member
Join Date: Oct 2011
Posts: 37
Rep Power: 14 |
Hello Chrisi
I'm quite new in openFoam and I also try to create an own bc. I receive the same error as you with the redefinitions. What have you done to get rid of these errors? Thanks Peter |
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