Nonlinear Dynamics and Chaos
Nonlinear Dynamics and Chaos
2nd Edition
ISBN: 9780813349107
Author: Steven H. Strogatz
Publisher: PERSEUS D
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Chapter 8.6, Problem 7E
Interpretation Introduction

Interpretation:

  • (a) To show that the system has the solution given by,

    r = r0θ˙= ωθ Corresponding to UCM and to find the formulas for r0 and ωθ

  • (b) To find the frequency ωr of small oscillation about the circular orbit.

  • (c) To show that the small radial oscillations correspond to quasiperiodic motion by calculating the winding number ωrωθ

  • (d) To show by a geometric argument that the motion is either periodic or quasiperiodic for any amplitude of radial oscillations.

  • (e) Give the mechanical realization of the system.

Concept Introduction:

  • ➢ The fixed point of a differential equation is a point where, f(x*) = 0 ; while substitution f(x*) = x˙ is used and x&*#x00A0;is a fixed point.

  • ➢ The winding number determines the nature of the trajectory. In case of rational winding number, the trajectory is a trefoil knot while in case of an irrational number, there is no closed solution.

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