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Convergence problem in very low velocity

Posted Feb 14, 2024, 11:21 p.m. EST 3 Replies

Lakshmi sree P
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HI, I am using Euler euler method to simulate multiphase flow in 2D domain. When my inlet velocity is 0.001 m/s the solver is showing the below error (attached). I have used "automatic highly non-linear (Newton)" method as non-linear solver for uc,ud,and p. But whenever im using slightly higher velocity ( say 0.002 m/s) it is converging.

Is it the problem with velocity ?

3 Replies Last Post Feb 29, 2024, 12:26 a.m. EST
Jeff Hiller COMSOL Employee

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Posted: 9 months ago Feb 15, 2024, 8:56 a.m. EST
Updated: 9 months ago Feb 15, 2024, 8:56 a.m. EST

Hello Lakshmi,

The file you attached seems to be blank.

Jeff

-------------------
Jeff Hiller
Hello Lakshmi, The file you attached seems to be blank. Jeff
Lakshmi sree P
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Posted: 9 months ago Feb 16, 2024, 1:21 a.m. EST
Updated: 9 months ago Feb 16, 2024, 1:20 a.m. EST

hi, sorry, some errror occured .I am uploading the document again. Kindly check

hi, sorry, some errror occured .I am uploading the document again. Kindly check
Lakshmi sree P
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Posted: 8 months ago Feb 29, 2024, 12:26 a.m. EST
Updated: 8 months ago Feb 29, 2024, 12:26 a.m. EST

Hi, iam still facing with the same issues with low velocity, Can someone help?

Hi, iam still facing with the same issues with low velocity, Can someone help?

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