To many particles go out and some of them float in the air

mayangfan01

August 2021 in DualSPHysics v5.0

Greetings everyone!

I am working on 3D debris-flow problem with HBP model, but always goes out to many particles during the simulation and some of them float in the air as shown in attached images:

and Nearly a third of the particles were eliminated (There are nearly 100,000 fluid particles in total):

Can anyone please help?

Thanks and regards,

Ma. YF

Comments

mayangfan01

August 2021

I forgot to mention that my model is an externally imported STL model
Alex

August 2021

Check this: https://forums.dual.sphysics.org/discussion/comment/4505#Comment_4505
mayangfan01

August 2021 edited August 2021
mayangfan01

August 2021

@Alex Thanks very much! I modified it according to your suggestions and redraw the terrain to fill the holes which may exist from STL model. And it works good and particles do not go out now.
However, the particles still float in the air during the simulation process, I don't know what happened.
Alex

August 2021

share your XML with us, otherwise it is impossible to help you
mayangfan01

August 2021

@Alex Apologize for my neglect, I have attached my XML and related STL model.
01_DamBreak - 2.zip
Thanks again for your patience and help.
Alex

August 2021

It seems you are using the multiphase module.
Then you should contact Dr Georgios Fourtakas (@gfourtakas ) he can help you better
Regards

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