Questions tagged [lammps]

For questions about (or related to) the software LAMMPS.

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Empirically determining thermostat damping factor

tl;dr Is there a way to determine an appropriate thermostat damping factor given a timestep size and a numerical integration method? I am computing a set of simulations in LAMMPS, using ReaxFF, ...
10
votes
0answers
60 views

Setting multiple new atype/dtype/itype with LAMMPS fix bond/create

When creating a new bond in a LAMMPS simulation with the command fix/bond create it is likely new angles/dihedrals/impropers be need to be set. This can be done with the atype/dtype/itype arguments ...
10
votes
0answers
63 views

Sample LAMMPS file for graphene growth on a metal surface

I am working with graphene growth on metal substrates. But I need some sample codes to know if I am doing it in the right way because running multiple simulations in LAMMPS takes a lot of time. Can ...
7
votes
0answers
26 views

Reaction simulation at specific temperature, pH and pressure

Can we design metal organic framework, layered double hydroxide using LAMMPS? How?
5
votes
0answers
62 views

Fix deposit and USER-REAXC: pre-allocating memory for atoms when using LAMMPS with ReaxFF

I would like to use "fix deposit" with ReaxFF to add atoms to a simulation in which I deposit molecules on a surface. I have built working scripts for my system with other force fields. ...