Question about "compute gyration command"

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1

Dear LAMMPS users,
I want to study the conformation property changes of polymer chains during deformations.
I want to use compute gyration command, but i have a question: what does this command compute??

  • scalar value of Rg???
  • squared value of Rg (Rg^2)???
  • squared root value of Rg (sqrt(Rg))??
    Thank you
2

Dear LAMMPS users,
I want to study the conformation property changes of polymer chains during
deformations.
I want to use compute gyration command, but i have a question: what does
this command compute??

scalar value of Rg???
squared value of Rg (Rg^2)???
squared root value of Rg (sqrt(Rg))??

it computes exactly what the documentation says:
http://lammps.sandia.gov/doc/compute_gyration.html

i.e, the scalar value of R_g (or the corresponding tensor).

axel.

3

Thanx Axel