TELEMAC-MASCARET Forum: Initial condition

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TOPIC: Initial condition_k-epsilon model

Initial condition_k-epsilon model 7 years 6 months ago #26319

mourad
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Posts: 155
Thank you received: 6

Hi everyone,
I have to run a T2D model with K-epsilon model. however to buit the initial condition from a costant depth everywere, timestep need to be too small for k-epsilon model.

But as the spatial domail is relatively large (more than 400000 element) and resolution is small ( <7m in some zones), this task could be boring. To save computational time, I actually would do a first run with simple turbulence model (1 rather than 3) and use the result file as a PREVIOUS COMPUTATION for a second run with k-epsilon model to built the initial condition selafin file.
How does this sound to you? is it right?
Any kind of help is welcome
Regard

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Initial condition_k-epsilon model 7 years 6 months ago #26331

riadh	Hello Mourad This sounds good. Actually to start with a cold start, there is no need for sophisticated features such as k-eps model. In another hand, I will be happy if you could test the new 2 turbulence models (option 4 and option 5) and have a feedback comparison between them. with kind regards Riadh
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Initial condition_k-epsilon model 7 years 6 months ago #26444

mourad OFFLINE Expert Boarder Posts: 155 Thank you received: 6	Thank you Riadh for your support. I will check the new turbulence models in the next week. Please is there a clear explanaition about how the CFL is computed in telemac 2d?. I found some indications in the forum but it's still not realy clear for me. Regards Mourad
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