Gorobey N. N. 1, Lukyanenko A. S.1
1Peter the Great Saint-Petersburg Polytechnic University, St. Petersburg, Russia
Email: n.gorobey@mail.ru
For the previously proposed definition of the (inverse) temperature of an adiabatically isolated body in the form of a derivative of the logarithm of the density of states of the canonical energy distribution of the system, a relationship between temperature and the minimum period of a certain oscillatory motion of atoms in the stationary regime is found. At the same time, it is shown that the temperature is determined by the oscillation energy equal to the difference between the total energy of the body and the potential energy of deformation. The deformation, taking into account anharmonicity, is equal to the sum of mechanical deformation in an external force field and thermal expansion. In the presence of dissipation or adiabatic deformation of a body, its temperature is determined approximately by the period "almost" of oscillatory motion in the configuration space. Keywords: thermomechanics, isolated mechanical system, anharmonicity, adiabatic deformation.
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