TELEMAC-MASCARET Forum: velocities perpendicular to the solid segments (1/1)

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TOPIC: velocities perpendicular to the solid segments

velocities perpendicular to the solid segments 9 years 4 months ago #17755

waziliwei	hello everyone, When I set the open boundary conditions with prescribed flowrates, and the PRESCRIBING VELOCITY PROFILES is set as 1, then there is a problem, please find the attachment below. So my question is : what should I do in FUDAA according to the sentence with red line? Best regards, Li Wei Attachments: 1_2015-07-21.png (85KB)
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velocities perpendicular to the solid segments 9 years 4 months ago #17757

riadh

Hello

for Telemac, a liquid segment is a segment located between 2 liquid nodes. a solid segment is located :
1- between 2 solid nodes or
2- between a liquid node and a solid node (case mentioned in the figure)

When you prescribe manually a velocity profile you have to avoid case 1 (upper figure) and rather, you should do as case 2.

In your case, I do not think that this is your problem. Try to use VELOCITY PROFILES =4

I hope that this helps

Riadh ATA

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