2020/21 Undergraduate Module Catalogue
MATH3374 Linear and Non-Linear Waves
15 creditsClass Size: 116
Module manager: Dr Oleg Chalykh
Taught: Semester 2 (Jan to Jun) View Timetable
Year running 2020/21
Pre-requisite qualificationsMATH2365 or equivalent.
This module is mutually exclusive with
|MATH5373M||Advanced Linear and Nonlinear Waves|
This module is approved as a discovery module
Module summaryWaves are present all around us, the most obvious examples being sound, light and water waves. There are many other types of waves, all of which can be described by the same mathematical theory. This module covers the fundamental theory of both linear and non-linear waves. The important distinction between these is that in non-linear systems, not only are there interactions between waves of different frequencies, but there is also a tendency to form sharp fronts, such as shock waves in gases and tidal bores in shallow water. The general theory is illustrated by examples from physical theories, such as fluid mechanics, gas dynamics and biological systems.
ObjectivesTo give students a clear understanding of the properties of linear and non-linear waves and the relevance of these to physical systems.
On completion of this module, students should be able to:
a) Solve the linear wave equation in one dimension.
b) Solve one dimensional non-linear wave propagation problems. Simple waves and discontinuities.
c) Calculate dispersion relations and group velocity for simple dispersive wave equations and explain their physical significance.
a) Linear wave equations; characteristics; causality; wave propagation; dispersion relations; group velocity; wave energy.
b) Hyperbolic systems; characteristics; shock relations. Simple waves and Riemann invariants. Applications to compressible flow and shallow water.
c) Travelling wave solutions of nonlinear dissipative and dispersive waves.
|Delivery type||Number||Length hours||Student hours|
|Private study hours||133.00|
|Total Contact hours||17.00|
|Total hours (100hr per 10 credits)||150.00|
Private studyStudying and revising of course material.
Completing of assignments and assessments.
Opportunities for Formative FeedbackRegular example sheets.
Methods of assessment
|Exam type||Exam duration||% of formal assessment|
|Open Book exam||2 hr 30 mins||100.00|
|Total percentage (Assessment Exams)||100.00|
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Reading listThe reading list is available from the Library website
Last updated: 05/01/2021
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