Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2002-10-17
Physics
Condensed Matter
Statistical Mechanics
Scientific paper
10.1103/PhysRevE.67.036609
We investigate one-dimensional collisions of unharmonic chains and a rigid wall. We find that the coefficient of restitution (COR) is strongly dependent on the velocity of colliding chains and has a minimum value at a certain velocity. The relationship between COR and collision velocity is derived for low-velocity collisions using perturbation methods. We found that the velocity dependence is characterized by the exponent of the lowest unharmonic term of interparticle potential energy.
Hayakawa Yoshinori
Nagahiro Shin-ichiro
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