Convergence problem in very low velocity

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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 29 feb 2024, 00:26 GMT-5
Jeff Hiller COMSOL Employee

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Posted: 3 months ago 15 feb 2024, 08:56 GMT-5
Updated: 3 months ago 15 feb 2024, 08:56 GMT-5

Hello Lakshmi,

The file you attached seems to be blank.

Jeff

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Jeff Hiller
Hello Lakshmi, The file you attached seems to be blank. Jeff

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Posted: 3 months ago 16 feb 2024, 01:21 GMT-5
Updated: 3 months ago 16 feb 2024, 01:20 GMT-5

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


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Posted: 2 months ago 29 feb 2024, 00:26 GMT-5
Updated: 2 months ago 29 feb 2024, 00:26 GMT-5

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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