non-Newtonian: More than 1% of current fluid particles were excluded in one PART

LLL · January 2022

Dear all,

I tried non-Newtonian version, and the parameters are shown below. More than 1% of current fluid particles were excluded in the first PART. Once I adjusted the rhop from 1300 to 1200, it ran successfully. I don't know why the rhop can't be too large.

Alex · January 2022

@gfourtakas may help here

gfourtakas · January 2022

Hi,

Try increasing your initial reference density to 1000 kg/m^3 (top of the xml).

Otherwise please check Interactionforces function. There is a note there that if density ratio is large some lines need to be uncommented and the code recompiled.

George

LLL · January 2022

https://forums.dual.sphysics.org/discussion/comment/4900#Comment_4900

Thanks for your help@gfourtakas. The initial reference density was already set as 1000 kg/m^3 as shown below. Next I'll try to check interactionforces function.

LLL · February 2022

Dear developers，

Sorry I still can't find the note that need to be uncommented if density ratio is large. I would be so grateful if you could bother to tell me it‘s in which files@gfourtakas?

regards

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non-Newtonian: More than 1% of current fluid particles were excluded in one PART

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