论文标题

分析热力学

Analytical Thermodynamics

论文作者

Podio-Guidugli, Paolo, Virga, Epifanio G.

论文摘要

本文提出了一种桥接经典分析力学和非平衡热力学的理论。它的目的是从平稳原理中得出系统的演化方程,以适当增强拉格朗日的行动。对于均质系统,该目标仅根据时间而定,以有限数量的状态变量来实现。特别是,远离平衡自由能和熵是独立的本构函数。

This paper proposes a theory that bridges classical analytical mechanics and nonequilibrium thermodynamics. Its intent is to derive the evolution equations of a system from a stationarity principle for a suitably augmented Lagrangian action. This aim is attained for homogeneous systems, described by a finite number of state variables depending on time only. In particular, it is shown that away from equilibrium free energy and entropy are independent constitutive functions.

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