Extensional flow for a single polymer

LAMMPS LAMMPS General Discussion
1

Dear LAMMPS users,
I am trying to simulate a single polymer in extensional flow, using UEF package the polymer will get destroyed. Is there any way that I can use boundary condition to apply a flow field for a single polymer?
Or can I add a flow field term to langevin equation and use langevin dynamics in LAMMPS?

Thanks in advance
Reyhaneh Farimani

2

Can you run your system reliably without all of the features of the UEF package?

3

Thanks for your fast reply,
I checked,without UEF features or any kind of deform in box size, it does work. The problem ,as I understood it , is adding any kind of periodic boundary condition to my system.

About my second question is there any way to add a flow field to Brownian Dynamics or Langevin Dynamics?

Regards
Reyhaneh Farimani

4

Then the problem is not due to UEF but due to your input geometry.

What is available in LAMMPS is listed in the documentation. If a command/feature is not listed in the documentation it is not available.

5

Thank you.