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Re: [lammps-users] adiabatic wall
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Re: [lammps-users] adiabatic wall

From: Eric Murphy <murphyericjames@...24...>
Date: Wed, 29 Nov 2017 17:33:56 -0600

Collide a particle with your *wall of particles* (not a fix) and you should be able to find out.  Do you expect it to stop or be reflected?

Everything should be able to be deduced from this sentence in the doc.  "This command can be used to freeze certain atoms in the simulation by zeroing their force, either for running dynamics or performing an energy minimization."

Eric Murphy
Graduate Research Assistant, Mechanical Engineering
Iowa State University

On Wed, Nov 29, 2017 at 5:11 PM, m n via lammps-users <> wrote:
Dear Lammps users,

I am trying to simulate a liquid flow between two parallel fixed walls. The walls are fixed by "fix setforce 0.0 0.0 0.0" and "velocity set 0.0 0.0 0.0". I was wondering when the walls are fixed, can I consider them as adiabatic walls or they are heat sinks with the constant temperature of zero?

Thank you in advance for your help.


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