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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: farbfilm

Forum: OpenFOAM Running, Solving & CFD June 16, 2010, 09:47

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm Hi, the profile at the inlet looks ok - the... Hi, the profile at the inlet looks ok - the other profiles not! It seems that your roughWallCondition is not working... (Do you really use 1.6.x - maybe you have to reinstall it) My first...

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 17:36

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm Hi, sure! Here are my BC's! I definitely get... Hi, sure! Here are my BC's! I definitely get a change when I use different values for Ks (see the picture)! Hope that helps! Why do you want to simulate an ABL? What is the topic of your...

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 06:48

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm Yes, p BC is the same!! Yes, p BC is the same!!

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 05:52

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm I think, the velocity at the bottom should be... I think, the velocity at the bottom should be zero (no slip condition)! Unfortunately, I don't have any experiences with the timeVaryingMappedFixedValue-BC! So, I can't help with this! I used the...

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 05:42

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm I'm getting a value of 0.019586! Almost the... I'm getting a value of 0.019586! Almost the same... I've used the formula: Ks = E*z0/Cs where E=9.793 is a constant of the wall function!

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 05:29

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm Sorry, I don't understand what Wss means... ... Sorry, I don't understand what Wss means... I've chosen a "zeroGradient"-condition for my ABL-Simulations at the inlet for p! To achieve a homogenous ABL (constant values in flow direction), you...

Forum: OpenFOAM Running, Solving & CFD June 15, 2010, 05:05

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm What is x?? Is it the height of your domain or... What is x?? Is it the height of your domain or the main flow direction??

Forum: OpenFOAM Running, Solving & CFD June 14, 2010, 05:57

Replies: 50 Atmospheric boundary layer Views: 14,506 Posted By farbfilm Hi, the overshooting is a known problem!... Hi, the overshooting is a known problem! Look for example here: http://www.openfoamworkshop.org/2009/4th_Workshop/2_Turbulence_Modelling/OFW4_2009_Sumner_slides.pdf What Version of OpenFOAM...

Showing results 1 to 8 of 8

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