Receiving the following error when I ran my simulation- Overlapping large/large in pair colloid (..pair_colloid.cpp.187)

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1

Dear LAMMPS user

I was trying to create a simulation of a solution with suspension in it. So my simulation consists of solvent molecules with nanoparticles suspended in it, with vapour on top of the suspension. I use LJ potential for potential between liquid-liquid and solvent-vapour, while using colloid for solid-liquid and solid-vapour.

Here is my code

units metal
dimension 3
boundary p p p
atom_style sphere
neighbor 2 bin
neigh_modify delay 0 every 1 check yes page 500000 one 50000

2

overlapping large/large means 2 colloid particles are overlapping.

My recollection is the potential blows up when that happens,

hence the error check.

Steve

3

Dear sir

What would you suggest to remove the overlapping present in the simulation?

I tried to make the particles spawn at random points using random but still got the same error.

Dennis

4

Use some other soft potential initially (e.g. pair soft) to

unoverlap them.

Steve