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molecular dynamics simulation

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Also known as molecular dynamics

method of computer simulation of molecular interaction

~40 min read

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Example of a molecular dynamics simulation in a simple system: deposition of one copper (Cu) atom on a cold crystal of copper (Miller index (001) surface). Each circle represents the position of one atom. The kinetic energy of the atom approaching from the top is redistributed among the other atoms, so instead of bouncing off it remains attached due to attractive forces between the atoms. Molecular dynamics simulations are often used to study biophysical systems. Depicted here is a 100 ps simulation of water. A simplified description of the standard molecular dynamics simulation algorithm, when a predictor-corrector-type integrator is used. The forces may come either from classical interatomic potentials (described mathematically as

F = − ∇ V (

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