EngD - Reliability of Integrity Monitoring for Offshore Wind Structures

Renewable Energy Marine Structures

The performance of traditional NDT is characterised in terms of Probability of Detection (POD) and Probability of Sizing (POS). The evaluation of these parameters is now widely understood and accepted. They provide a scientific and objective basis to compare systems and approaches. There is however, no equivalent basis for comparison of many Integrity Monitoring (IM) techniques.  For example, these measures are completely inappropriate to describe the performance of stress monitoring equipment. In addition, traditional binomial statistics on which POD and POS are generally based, cannot address the improved confidence that a monitored result will have compared to a blind inspection. Uncertainty associated with relatively few inspection positions becomes much less of a problem as increasing amounts of pertinent information should mean increased confidence in defect detection and characterisation which will ultimately benefit the decision making/planning process.

This EngD study will aim to investigate the shortcomings or otherwise of current methods for describing the performance characteristics of NDT systems and how these might be developed to allow quantitative and scientific description of the performance characteristics of IM systems. This EngD would suit candidates with a background in inspection, monitoring, statistics, Electronic or Mechanical Engineering.

This is an EngD project within the Renewable Energy Marine Structures (REMS) Centre for Doctoral training (CDT). REMS is an EPSRC funded Centre for Doctoral Training set up to train fifty Engineering Doctorate and PhD students over an eight-year period. Interested applicants should send an up-to-date CV to Dr Ali Mehmanparast (a.mehmanparast@cranfield.ac.uk). The candidate will need to meet the academic requirements for enrolment for the EngD degree at Cranfield University; an upper second or first (or equivalent) in mechanical engineering or related discipline. Student eligibility criteria for EPSRC funding require a relevant connection with the UK, usually established by residence. EU students may be eligible for a fees-only award (i.e. no maintenance grant).

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Midlands of England