二阶拉格朗日非保守系统的分数阶哈密顿量

Ola A. Jarab’ah, K. I. Nawafleh
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引用次数: 2

摘要

本文利用分数阶导数研究了二阶拉格朗日非保守系统。得到了这些系统的分数阶欧拉-拉格朗日方程。然后,构造了这些系统的分数阶哈密顿量,用它与用变分问题的欧拉-拉格朗日方程的形式得到的哈密顿方程相同的方法求出了哈密顿方程,并观察到哈密顿公式与拉格朗日公式是完全一致的。实现了从包含分数阶导数的拉格朗日函数到哈密顿函数的过渡。我们考察了一个例子来说明形式主义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fractional Hamiltonian of Nonconservative Systems with Second Order Lagrangian
In this paper, the nonconservative systems with second order Lagrangian are investigated using fractional derivatives. The fractional Euler Lagrange equations for these systems are obtained. Then, fractional Hamiltonian for these systems is constructed, which is used to find the Hamilton's equations of motion in the same manner as those obtained by using the formulation of Euler Lagrange equations from variational problems, and it is observed that the Hamiltonian formulation is in exact agreement with the Lagrangian formulation. The passage from the Lagrangian containing fractional derivatives to the Hamiltonian is achieved. We have examined one example to illustrate the formalism.
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