ann rose wrote:
Hi
I am new to Gromacs.
I would like to simulate oligoether branched polysiloxanes in gromacs. I
have the force field availble for the same
Whether gromacs will support force filed for polymers containing hetreo
atmos like silicon?
Yes - this information is part of the force field.
If so how can I incoroprate this into gromacs?
You will need a thorough working knowledge of at least chapter 5 of the
manual, and plenty from earlier sections. This will also let you assess
whether the range of functions computed by gromacs is suitable for your
forcefield.
and also
How to get the starting configuration for the poysiloxanes? ( like .gro,
.top, .itp files)
.gro files are structure files... you're responsible for generating
them. Search the mailing list for suggestions.
.top files can be generated by pdb2gmx if you can generate suitable .rtp
monomers, but life may be messy here for branched polymers... you may
need to make these by hand.
.itp files are included by .top files and include your basic force field
files as well as regularly recycled units like solvents... you need to
make these.
Mark
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