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TOPIC: the result is same when using different liquid boundaries file

the result is same when using different liquid boundaries file 10 years 11 months ago #11373

  • riadh
  • riadh's Avatar
Hello !

Your mesh is of very very poor quality ! you can not simulate any thing using such mesh.
1- try to coarsen the mesh in the main channels, you mesh is huge for a non parallel use. You have more than 200 000 elements for a domain of 1km length ! it's just useless and very expensive in CPU time.
2- your boundary are very badly represented, have a glence on the user manual of Blue Kenue to see how to manage a smooth transition when going close to the boundary and how to use a uniform criteron for the mash quality.

once you improve the mesh, you will see that Telemac will work perfectly.

With my best regards
Riadh
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the result is same when using different liquid boundaries file 10 years 11 months ago #11415

  • minmin
  • minmin's Avatar
Dear Riadh,
Thank you very much!
I have taken your advice that coarsen the mesh in channels and represent the boundary, but it still not work at all.
You can see the revised version from the following link:
drive.google.com/folderview?id=0BwvRlDkE...5NkVhYUk&usp=sharing

Would you please help to check the revised one and point out the reason?

Best Regards,
MR
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the result is same when using different liquid boundaries file 10 years 11 months ago #11419

  • minmin
  • minmin's Avatar
minmin wrote:
Dear Riadh,
Thank you very much!
I have taken your advice that coarsen the mesh in channels and represent the boundary, but it still not work at all.
You can see the revised version from the following link:
drive.google.com/folderview?id=0BwvRlDkE...5NkVhYUk&usp=sharing

Would you please help to check the revised one and point out the reason?

Best Regards,
MR
Sorry to trouble you!

I have solved the problem! I have tried another the default edge length, and regenerated the selafin and the boundaries condition files. Now I can run the case successfully due to your suggestion!

Thank you very much again!

Best Regards,
MR
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