CLASSICAL MECHANICS
(216-210-01)

 

MEETING TIMES:

 

M W F 10:10-11:00 AM ROOM: TKH 111

INSTRUCTOR:

Dr. Prabhakar Misra

OFFICE:

TKH 102 (Tel 806-6251); OPFM 112 (Tel 806-4913)

OFFICE HOURS:

M W F 11:00-12:00 N OR By Appointment

 

GOALS AND OBJECTIVES OF THE COURSE:

To provide a thorough background in Newtonian and Lagrangian Mechanics of individualparticles and a system of particles leading to an in-depth treatment of central forces,rigid body dynamics and small oscillations.

 

COURSE PREREQUISITE:

Physical Mechanics (021-182) at the level of A.P. Arya, Introduction to ClassicalMechanics, Englewood Cliffs: Prentice-Hall, 1990.

TEXT: H. Goldstein, Classical Mechanics, 2nd ed. Reading, Mass.:Addison-Wesley, 1980.

 

 

WEEK OF

      SUBJECT

8/24: Survey of Elementary Principles
8/31 & 9/9: Variational Principles and Lagrange's Equations
9/14, 9/21 & 9/28: The Two-Body Central Force Problem
10/5, 10/14 & 10/19: The Kinematics of Rigid Body Motion
10/26, 11/2 & 11/9: The Rigid Body Equations of Motion
11/16, 11/23 & 11/30: Small Oscillations
EXAM I: 9/21
EXAM II: 10/19
EXAM III: 11/16
FINAL EXAM: 12/9

 

 

GRADING SCHEME

Homework 15%
Exams I, II & III 60%
Final Exam 25%

 

 

SUGGESTED READING:

1. A.L. Fetter & J.D. Walecka, Theoretical Mechanics of Particles & Continua,New York: McGraw-Hill, 1980.

2. J.B. Marion, Classical Dynamics of Particles & Systems, 2nd ed. New York:Academic Press, 1970.

3. K.R. Symon, Mechanics, 3rd ed. Reading, Mass.: Addison-Wesley, 1971.

 

 

OUTLINE OF ESSENTIAL TOPICS OF COURSE MATERIAL:

Survey of Elementary Principles: Mechanics of a single particle and a system ofparticles; Conservation theorems for linear momentum, angular momentum and energy; Centerof mass; Constraints; D'Alembert's principle and Lagrange's equations; Velocity-dependentpotentials; Simple applications of the Lagrangian Formulation.

Variational Principles and Lagrange's Equations: Hamilton's principle; Calculusof variations; Geodesics; Euler-Lagrange differential equations; Lagrange undeterminedmultipliers; Conservation theorems and symmetry properies.

The Two-Body Central Force Problem: Equivalent one-body problem; Equations ofmotion and first integrals; Classification of orbits; Virial theorem; Differentialequation for the orbit and integrable power-law potentials; Conditions for closed orbits;Inverse square law of force; The Kepler problem.

The Kinematics of Rigid Body Motion: Independent coordinates of a rigid body;Orthogonal transformations; Transformation matrix; Euler angles; Cayley-Klein Parameters;Euler's theorem; Finite rotations; Infinitesimal rotations; Rate of change of a vector.

The Rigid Body Equations of Motion: Angular momentum and kinetic energy ofmotion about a point; Tensors and dyadics; Inertia tensor and moment of inertia; Principalaxis transformation; Euler equations of motion; Torque-free motion of a rigid body; Heavysymmetrical top with one point fixed; Precession and nutation.

Small Oscillations: Stable and unstable equilibria; Eigenvalue equationand the principal axis transformation; Free vibration and normal coordinates; Lineartriatomic molecule.

 

ASSIGNMENTS AND DUE DATES:

There will be a total of 10 homework assignments as indicated below:

HW#1 Lagangian and Lagrange's Equations of Motion Due: 9/9/98

HW#2 Lagrangian and Lagrange's Equations of Motion Due: 9/14/98

HW#3 Variational Principle and Lagrange Multipliers Due: 9/28/98

HW#4 Constraints and Velocity-Dependent Potential Due: 10/5/98

HW#5 Central Force Due: 10/14/98

HW#6 Central Force Due:10/18/98

HW#7 Kinematics of Rigid Bodies Due: 10/26/98

HW#8 Rotation Matrices and Euler Angles Due: 11/9/98

HW#9 Rigid Body Dynamics Due: 11/16/98

HW#10 Small Oscillations Due: 12/3/98

 

ATTENDANCE POLICY:

Students are expected to attend all lectures, submit the required homework assignmentsand take the three Mid-Term Examinations and one Comprehensive Final Examination.

 

N.B. Under the American Disabilities Act (ADA) of 1990, ifyou want to be identified as a person with a disability and need accommodation, pleaseadvise me by making an appointment.