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MPhys Physics with Astrophysics / Course details
Year of entry: 2023
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Course unit details:
|Unit level||Level 3|
|Teaching period(s)||Semester 2|
|Offered by||Department of Mathematics|
|Available as a free choice unit?||No|
Wave motion occurs in the oceans, atmosphere and in the earth. Problems of wave production and transmission, of wave harnessing or shielding, and of detection will always be of interest. This is a large and important subject area which this course unit can only begin to study, nevertheless this beginning will contain ideas and techniques applicable to a broad range of wave motion.
This course unit aims to elucidate some of the physical properties of important types of wave motion and their mathematical descriptions.
On successful completion of this course unit students will be able:
- Define the basic kinematic properties of a wave.
- Describe and classify the physical properties of a wave from its mathematical form.
- Derive the dispersion relation for a range of wave problems.
- Analyze the dispersion relation to draw physical conclusions.
- Formulate a mathematical problem for a physically-described system, including (but not restricted to) the examples of elastic, water and sound waves.
- Apply the methods of the course to previously unseen wave problems and variations of seen problems.
1.Introduction: wave kinematics. [1 lecture]
2.Waves on a stretched string. 
3.Free surface water waves: Standing/progressive waves, dispersion relations for infinite and finite depth layers. 
4.Surface tension effects. 
5.Waves in a continuously stratified fluid: internal gravity waves. 
6.Sound waves. 
- Coursework: One take-home question, weighting 20%
- End of semester examination: weighting 80%
Feedback tutorials will provide an opportunity for students' work to be discussed and provide feedback on their understanding. Coursework or in-class tests (where applicable) also provide an opportunity for students to receive feedback. Students can also get feedback on their understanding directly from the lecturer, for example during the lecturer's office hour.
No text book is required and all material will be provided in the lecture notes. For those wishing to do further reading, then some appropriate books are
J.J. Stoker, Water Waves, Wiley, 1958.
M.J. Lighthill, Waves in Fluids, Cambridge, 1979.
|Scheduled activity hours|
|Independent study hours|
|Richard Hewitt||Unit coordinator|
The independent study hours will normally comprise the following. During each week of the taught part of the semester:
• You will normally have approximately 60-75 minutes of video content. Normally you would spend approximately 2-2.5 hrs per week studying this content independently
• You will normally have exercise or problem sheets, on which you might spend approximately 1.5hrs per week
• There may be other tasks assigned to you on Blackboard, for example short quizzes or short-answer formative exercises
• In some weeks you may be preparing coursework or revising for mid-semester tests
Together with the timetabled classes, you should be spending approximately 6 hours per week on this course unit.
The remaining independent study time comprises revision for and taking the end-of-semester assessment.
The above times are indicative only and may vary depending on the week and the course unit. More information can be found on the course unit’s Blackboard page.