Count number of particles within a given radius
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I have a question regarding counting number of particles.
Lets say:
- I create a box of domain 100x100 units.
- I put 10000 random particles inside the box by using rand command.
Now what I want is the following:
I want to count the number of neighbour particles of each particle within radius 1 units. i.e each of my particles of 10000 random particles only interact with their neighbour who's distance is = or < 1.
Can anyone help !
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Image Analyst
2022-4-28
OK so you have the location of each particle, but do you have its radius? Or did you mean distance to other nearest particle instead of radius?
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