neighbor 0.005 bin
neigh_modify delay 0
fix pts1 all particletemplate/sphere 15485867 atom_type 1 density constant ${solid_density} radius constant 0.004
fix pts2 all particletemplate/sphere 32452843 atom_type 1 density constant ${solid_density} radius constant 0.00236
fix pts3 all particletemplate/sphere 32452867 atom_type 1 density constant ${solid_density} radius constant 0.001
How to set optimal value of bin size so that unnecessary force calculation for the neighbor list can be reduced? How this neighbor size is calculated?