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[Question #678645]: Shrinkage of particles


New question #678645 on Yade:

Hello All,

I want to simulate shrinkage of particles during the deformation. the summary of my problem is:
there are some particles in the cylinder and gravity are applied to them. The particles which are in the specific area will be reduced their radii. I did the below simulation but it is not the thing that I want to do.

for i in O.bodies:
	if isinstance(i.shape,Sphere) and i.state.pos[2]<-46e-3 and i.state.pos[2]>-48e-3:

I want to reduce the size of particles in a specific position. I used the grow.Particle()  but it doesn't work. I was wondering if you could give me a solution. the reduction of particles' radius must be a function of time and the position of particles.
Thank you very much for your help in advance.

Best Regards



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