Energy Minimization & Equilibration in GROMACS: EM, NVT, and NPT Explained
By BioDockify Computational Research Team · August 8, 2026 · GROMACS Workflow
A practical guide to energy minimization, NVT equilibration, and NPT equilibration in GROMACS. Covers purpose, parameters, convergence criteria, and common errors for each step.
Read the complete article with tables, code and references on BioDockify.
Key References
- Abraham, M.J. et al. GROMACS. SoftwareX 1-2, 19-25 (2015).
- Bussi, G. et al. Accurate sampling using Langevin dynamics. J. Chem. Phys. 126, 014101 (2007).
- Parrinello, M. & Rahman, A. Polymorphic transitions in single crystals. J. Appl. Phys. 52, 7182 (1981).
Scope & Limitations
Equilibration time depends on system size Temperature coupling must stabilize before NPT Position restraints are essential during equilibration