[lammps-users] change of diameter of granular particles

Dear LAMMPS uers,
Can I change the value of diameter of granular particles after pourimg all particles in container (in new restart-simulation). For example, I have box filled with 50000 particles with diameter 1. Now I want to change this diameter to new one in restart file of the same 50000 particles. Will it has side effect on the result which I want to calculate?

The set diameter command will change the sizes. Whether
it will change your results is a Q for you to answer.