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Forum: ANSYS

December 13, 2017, 05:31

Replies: 8

Blood-in-Vessel convergence problem

Views: 1,911

Posted By Warlord

Convergence result

Dear Malekan,

Good to hear that you made it. Out of curiosity, how much of relaxation did you use?

Sorry, but I have no ideia about "bot yet converged".

Regards

Forum: ANSYS

December 7, 2017, 08:54

Replies: 8

Blood-in-Vessel convergence problem

Views: 1,911

Posted By Warlord

Under-relaxation is the key

Dear Malekan,

The key is to use under-relaxation because it is a very non-linear problem. To stabilize these types of cases Solution Stabilization is available in Fluent in the Dynamic Mesh Zones...

Forum: ANSYS

January 25, 2017, 08:52

Replies: 8

Blood-in-Vessel convergence problem

Views: 1,911

Posted By Warlord

Solved!! I had to use the Fluent's...

Solved!!

I had to use the Fluent's stabilisation process, since this typical case is VERY unstable.

Forum: ANSYS

December 3, 2016, 08:32

Replies: 8

Blood-in-Vessel convergence problem

Views: 1,911

Posted By Warlord

Blood-in-Vessel convergence problem

Hello,

I am trying to simulate a standard FSI case, wave propagation in an elastic tube using ANSYS. The simulation serves to predict blood flow in large arteries [1]. The domain consists of a...

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