HOW TO control the volume of a gruop in LAMMPS?

Dear Steve,

I want to simulate the properties of composite materials. The material A was filled into material B, and if I want to set the volume of A to a specific value, what should I do? Could LAMMPS do that? I couldn’t find a clue, I really need your help, Thank you very much.

Best Regards,

Jianrui Zhang.

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This is a rather vague description of what you would like to do, but you can use multiple “lattice” commands to build different materials or materials with different lattice and lattice constants. You can also use command such as change_box to change volumes.