论文标题

非平滑性Herglotz变分原理

Nonsmooth Herglotz variational principle

论文作者

López-Gordón, Asier, Colombo, Leonardo, de León, Manuel

论文摘要

在本文中,平稳的依赖动作的拉格朗日力学理论(也称为接触拉格朗日人)扩展到适合碰撞问题的非平滑环境。特别是,我们为非平滑动作依赖的拉格朗日人开发了一个Herglotz变分原理,从而导致影响能量和动力。通过适当定义Legendre变换,我们可以为相应的非平滑汉密尔顿系统获得汉密尔顿运动方程。在耗散存在的情况下,我们将结果应用于台球问题。

In this paper, the theory of smooth action-dependent Lagrangian mechanics (also known as contact Lagrangians) is extended to a non-smooth context appropriate for collision problems. In particular, we develop a Herglotz variational principle for non-smooth action-dependent Lagrangians which leads to the preservation of energy and momentum at impacts. By defining appropriately a Legendre transform, we can obtain the Hamilton equations of motion for the corresponding non-smooth Hamiltonian system. We apply the result to a billiard problem in the presence of dissipation.

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