Nonlinear Dynamics and Waves >> Content Detail



Course Outline

I. Introduction

Course organization, scope. Typical examples of nonlinearities in vibration and wave phenomena.

II. Nonlinear Vibrations

Review of phase plane for one-d.o.f. systems, limit cycles. Perturbation techniques for weakly nonlinear systems. Nonlinear forced vibrations; jump phenomena, synchronization, superharmonic and subharmonic resonance. Extensions to multi-d.o.f. and continuous systems. Examples and applications.

III. Nonlinear Stability and Bifurcation

Weakly nonlinear approaches. Techniques for computing bifurcating nonlinear-response branches. Examples and applications.

IV. Nonlinear Waves

Nonlinear dispersion relation and finite-amplitude periodic waves. Propagation of nonlinear pulses and the nonlinear Schrödinger equation. Long-crested waves and the Korteweg-de Vries equation. Nonlinear wave interactions. Forced nonlinear waves. Examples and applications.


There will be 5 problem sets; typically, a new problem set will be given and you will have two weeks to work on it. Some problems will require the use of a computer, and familiarity with MATLAB® would be helpful. Each student is expected to work on the homework problems independently; no collaboration with others is allowed.

Term Project

Each student will study and review critically at least one published research paper on a topic of his/her choice in the general area of nonlinear dynamics and waves. (A list of sample topics will be distributed later.)


There will be one take-home mid-term exam. There will be no final exam.


Mid-term exam30%
Term project30%


The subject will be based on the material presented in the lectures. There is no required textbook. A general list of references will be provided (if you need additional references for a particular topic, please feel free to ask the instructor).


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