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Counting number of particles

Posted 6 oct. 2015, 03:54 UTC−4 Charged Particle Tracing, Particle Tracing for Fluid Flow Version 5.1 2 Replies

Sepideh Ramezani
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Hi,

How is it possible to count the number of particles which remained in the domain in the last moment of simulation?

Hope to hear your answers.
Thanks
Sepideh
2 Replies Last Post 23 nov. 2015, 07:28 UTC−5
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Hello Sepideh Ramezani

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Daniel Smith COMSOL Employee

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Posted: 9 years ago 19 nov. 2015, 11:01 UTC−5
A blog post on counting particles is now available:
www.comsol.com/blogs/different-ways-to-count-particles-in-comsol-multiphysics/
A blog post on counting particles is now available: http://www.comsol.com/blogs/different-ways-to-count-particles-in-comsol-multiphysics/
Sepideh Ramezani
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Posted: 9 years ago 23 nov. 2015, 07:28 UTC−5

A blog post on counting particles is now available:
www.comsol.com/blogs/different-ways-to-count-particles-in-comsol-multiphysics/


Hi Daniel,

Many thanks for useful blog post. I chose the first approach and I found strange result.
In selection if I choose "Entire geometry" which means the whole domain [Am I right] entire geometry photo, then the number of particles are different from the one that I choose domain and the whole domain [I attached two screen shot].

Is there any reason for this result?

More detail about my particle tracing module in my model: I released 100 particles and it seems that if I choose in selection "Entire Geometry" then this evaluation is not working correctly in COMSOL!

Hope to hear from you.
Sepideh
[QUOTE] A blog post on counting particles is now available: http://www.comsol.com/blogs/different-ways-to-count-particles-in-comsol-multiphysics/ [/QUOTE] Hi Daniel, Many thanks for useful blog post. I chose the first approach and I found strange result. In selection if I choose "Entire geometry" which means the whole domain [Am I right] entire geometry photo, then the number of particles are different from the one that I choose domain and the whole domain [I attached two screen shot]. Is there any reason for this result? More detail about my particle tracing module in my model: I released 100 particles and it seems that if I choose in selection "Entire Geometry" then this evaluation is not working correctly in COMSOL! Hope to hear from you. Sepideh

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