Single Particle falling in Air or Viscous Medium

Submitted by cho470 on Sun, 03/24/2024 - 17:58

Hi everyone,

I'm a new user to LIGGGHTS, and I'm having a tough time creating a simple simulation.

I want to create a simulation where a single particle (metal particle) falling from air and another simulation where a single particle is falling in viscous medium (like a resin).
When a particle falls in air, it'd just have a gravity force acting downwards on a particle.
When a particle falls in a viscous medium, it'd have a drag force acting on the system. So, how can I add drag force acting on the particle

How can I go about making a script command that can run this simulation?

Any help would be appreciated! I just want to get a feel for simple simulation first.

Thank you!