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A method is developed for calculating kinetic temperature in molecular dynamics simulations of shear flow. Kinetic temperature, an instantaneous variable whose average during an observable time defines the temperature, is a measure of the mean energy of atomic vibration by thermal agitation. For systems under shear, the velocities of constituent atoms are representative of both microscopic thermal...
A short survey of a modern view on the problem of friction from the physical viewpoint is presented. An atomically thin lubricant film confined between two substrates in moving contact has been studied with the help of molecular dynamics (MD) based on Langevin equations with coordinate- and velocity-dependent damping coefficient. Depending on model parameters, the system may exhibit either the liquid...
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