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Vibrations of plates in Axial Flows: Effects of Pre-Stress or Pre-Deformation

  • Full or part time
  • Application Deadline
    Friday, April 12, 2019
  • Competition Funded PhD Project (Students Worldwide)
    Competition Funded PhD Project (Students Worldwide)

Project Description

Loughborough University is a top-ten rated university in England for research intensity (REF2014). In choosing Loughborough for your research, you’ll work alongside academics who are leaders in their field. You will benefit from comprehensive support and guidance from our Doctoral College, including tailored careers advice, to help you succeed in your research and future career.

Find out more: http://www.lboro.ac.uk/study/postgraduate/supporting-you/research/

Full Project Details

An elastic structure can start vibrating when the speed of the flow in which it is placed exceeds a certain threshold: this phenomenon is called flow-induced vibrations. These vibrations can be harmful (fluttering of an aircraft wing) or useful (energy harvesting). The canonical well known configuration is that of a clamped-free elastic plate placed in an axial flow. However, no one knows how the instability of such a plate is modified when one departs from this ideal configuration: for instance, if both ends are clamped and if the structure is pre-deformed. In such a case the fluid-structure interaction can be difficult to model due to geometric nonlinearities and flow detachment. The objectives of this thesis are: (i) to characterize the instability induced by the incoming flow on a pre-deformed plate, using a classical approach combining experimental and theoretical studies; (ii) to control this response by modulating the mechanical or geometric parameters along the plate. This topic has many possible applications in the fields of Automotive and Aeronautics (mechanical noise in vibration, fatigue…), and Energy Engineering (energy harvesting from winds).

Entry requirements

Applicants should have, or expect to achieve, at least a 2:1 Honours degree (or equivalent) in Physics or Mechanical Engineering or a related subject. A relevant Master’s degree and/or experience in one or more of the following will be an advantage: Applied Mathematics, Theoretical and Experimental Fluid Dynamics, Colloids and Interface Science.

How to apply

All applications should be made online at http://www.lboro.ac.uk/study/apply/research/. Under programme name, select ‘Mechanical and Manufacturing Engineering’

Please quote reference number: WS30

Funding Notes

Please note that studentships will be awarded on a competitive basis to applicants who have applied to this project and other advertised projects starting with advert reference ‘WS’ for the School of Mechanical, Electrical and Manufacturing Engineering.

If awarded, each 3-year studentship will provide tuition fees at the UK/EU rate and a tax-free stipend at the UK Research and Innovation rate. The UKRI stipend value for 2019/20 has not yet been announced but the value for 2018/19 was £14,777. While we welcome applications from non-EU nationals, please be advised that it will only be possible to fund the tuition fees at the international rate and no stipend will be available.

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