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TOPIC: Error create mesh

Error create mesh 10 years 10 months ago #9637

thai30a

Hello,
I try to create mesh for a simulation. (geo.slf and conlim.cli)
And I use test case N.017_confluence (without geo_confluence.slf and geo_confluence.cli) in TELEMAC-2D VALIDATION.
I get 2 files (geo.slf and conlim.cli) myself and some files (without geo_confluence.slf and geo_confluence.cli) of N.017.
When I run simulation. A error displays in DOS:

ITERATION 0 TIME: 0.0000 S
DEBIMP : PROBLEM ON BOUNDARY NUMBER 2
GIVE A VELOCITY PROFILE
IN THE BOUNDARY CONDITIONS FILE
OR CHECK THE WATER DEPTHS

PLANTE: PROGRAM STOPPED AFTER AN ERROR

I post my mesh creation on

And code: www.mediafire.com/download/a41798c7io34xvm/test7.rar

Looking forward from you.
Thank you very much.

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Error create mesh 10 years 10 months ago #9642

jmhervouet	Hello, Now you just have to follow what says the listing. You want a discharge on boundary 2 but there is no water on this boundary, so the program cannot compute the velocities to prescribe. This seems a problem of initial conditions. REgards, Jean-Michel Hervouet
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Error create mesh 10 years 10 months ago #9645

thai30a	Hi Jean-Michel Hervouet, Can you see my code www.mediafire.com/download/a41798c7io34xvm/test7.rar Do I have to fix in steering fil?
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Error create mesh 10 years 10 months ago #9650

jmhervouet	Hello, No, I do not see any problem in your steering file. You should look at the topography in the geometry file, and check what is the bottom at the entrance of the canal. It should be less than the prescribed elevation. Regards, Jean-Michel Hervouet
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Error create mesh 10 years 10 months ago #9651

gourish	Hi, There is a problem with mesh. Please check the attached image file, where the error portion of mesh is highlighted. With best Regards, Gourish File Attachment: File Name: mesh_error.zip File Size: 175 KB
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Error create mesh 10 years 10 months ago #9654

thai30a	Oh, no Gourish. I used "closed line" to combine 2 channel. But, I thank you very much. Wish getting your help in the future. Thank Jean-Michel Hervouet, I will try.
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Error create mesh 10 years 10 months ago #9657

c.coulet OFFLINE Moderator Posts: 3632 Thank you received: 1010	NO! Gourish is probably right You don't check the result of the mesh you generated! At least in the video. Try to draw a 2D view of the geometry file wxith a close view of the confluence. Another problem probably comes from the name of the variable because you don't give any unit so maybe telmac doesn't recognise the name because the comparison was made on name and unit Regard
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Error create mesh 10 years 10 months ago #9660

thai30a	Hi Christophe, You can tell me details, please. I really don't find my error. Thank all.
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Error create mesh 10 years 10 months ago #9661

c.coulet OFFLINE Moderator Posts: 3632 Thank you received: 1010	Try to open the geo.slf file you created in BK and attach an image of the mesh to your post (global view and close view of the confluence)
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