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Variational Principles in Classical Mechanics

by Douglas Cline

Variational Principles in Classical Mechanics

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Book Description

Two dramatically different philosophical approaches to classical mechanics were proposed during the 17th - 18th centuries. Newton developed his vectorial formulation that uses time-dependent differential equations of motion to relate vector observables like force and rate of change of momentum. Euler, Lagrange, Hamilton, and Jacobi, developed powerful alternative variational formulations based on the assumption that nature follows the principle of least action. These variational formulations now play a pivotal role in science and engineering. This book introduces variational principles and their application to classical mechanics. The relative merits of the intuitive Newtonian vectorial formulation, and the more powerful variational formulations are compared. Applications to a wide variety of topics illustrate the intellectual beauty, remarkable power, and broad scope provided by use of variational principles in physics.

This 2nd edition adds discussion of the use of variational principles applied to the following topics:
1) Systems subject to initial boundary conditions;
2) The hierarchy of the related formulations based on action, Lagrangian, Hamiltonian, and equations of motion, to systems that involve symmetries;
3) Non-conservative systems;
4) Variable-mass systems;
5) The General Theory of Relativity.

This open book is licensed under a Creative Commons License (CC BY-NC-SA). You can download Variational Principles in Classical Mechanics ebook for free in PDF format (16.9 MB).

Table of Contents

Chapter 1
A brief history of classical mechanics
Chapter 2
Review of Newtonian mechanics
Chapter 3
Linear oscillators
Chapter 4
Nonlinear systems and chaos
Chapter 5
Calculus of variations
Chapter 6
Lagrangian dynamics
Chapter 7
Symmetries, Invariance and the Hamiltonian
Chapter 8
Hamiltonian mechanics
Chapter 9
Hamilton's Action Principle
Chapter 10
Nonconservative systems
Chapter 11
Conservative two-body central forces
Chapter 12
Non-inertial reference frames
Chapter 13
Rigid-body rotation
Chapter 14
Coupled linear oscillators
Chapter 15
Advanced Hamiltonian mechanics
Chapter 16
Analytical formulations for continuous systems
Chapter 17
Relativistic mechanics
Chapter 18
The transition to quantum physics
Chapter 19

Book Details

Variational Principles in Classical Mechanics
River Campus Libraries
ISBN13 Digital
ISBN10 Digital
PDF Size
16.9 MB

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