converter for SMOG input scripts and data files from GROMACS to LAMMPS Version 1.0 - May 9, 2020
Please cite in publications as:
A. Suma, L. Coronel, G. Bussi and C. Micheletti
"Directional translocation resistance of Zika xrRNA".
A. Suma, L. Coronel and C. Micheletti
The package contains:
- the conversion script
- the source code of LAMMPS extensions required to run SMOG simulations.
The code of the conversion tool can be freely used, changed and redistributed for Academic use as long as this file and the header of the code are included.
The script converts SMOG input and data files from GROMACS format to LAMMPS format. Notice that SMOG input files must be created with the "cut off" contact matrix option.
The output script/data files are for LAMMPS simulations with the style "real", where physical quantities are expressed as:
distances=Angstroms
masses=g/mol
temperature=K
energies=Kcal/mol
forces=Kcal/(mol Angstroms)
time=fs
By default the integration time step is set equal to 2fs, the damp coefficient is equal to 2ps and the masses, which are expressed in g/mol or amu units, are all set to the uniform value of 16.0. This occurs even if the "heterogeneous masses" SMOG option is chosen. Appropriate heterogeneous masses can be directly set in the data file.
Sample usage of the conversion script
The shell command: bash GROMACS_to_LAMMPS_conversion.x test will process files test.gro and test.top and will convert them to the output files input_script.lammps and data_file.lammps.
LAMMPS simulations require an executable compiled with this custom extension for the SMOG model. The files need to be included in the "src" folder of the 22Aug18 version of LAMMPS to compile the appropriate lammps executable.
END