What Does MD Calculate? How Newtons Equations Become Protein Movies

By BioDockify Computational Research Team · August 10, 2026 · MD Fundamentals

The physics behind molecular dynamics simulation. How Newtons equations of motion are solved for every atom, producing a trajectory that shows protein dynamics at atomic resolution.

Read the complete article with tables, code and references on BioDockify.

Key References

• Verlet, L. Computer experiments on classical fluids. Phys. Rev. 159, 98-103 (1967).
• Allen, M.P. & Tildesley, D.J. Computer Simulation of Liquids. Oxford University Press (2017).

Scope & Limitations

Classical mechanics — no quantum effects Timestep must be small enough for numerical stability Force field accuracy limits simulation accuracy