How to change pressure in mdp file?

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1

GROMACS version:
GROMACS modification: Yes/No
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mdp file to simulate boiling of liquid Argon
I am using the above file to simulate the boiling of liquid Argon. And I want to simulate the boiling of liquid Argon at “1000 bar” pressure. What changes will I need to make to the above mdp file?

2

Hi, ref_p = 1000.0