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Anglia Ruskin University ARU Featured PhD Programmes

Analysis of damage mechanisms in composite risers and umbilicals


School of Engineering

About the Project

With increasing water depth, especially in excess of 1000 m, both platform designs and the design of the risers and umbilicals begin to become highly weight-sensitive. The weight reduction can be achieved through the introduction of composite risers and umbilicals. There are significant opportunities for the use of carbon fibre composite elements, which may be either thermoplastic or thermoset-based, in the armour for weight-saving, and because of corrosion problems with steel. However, one of the main concerns with layered composite structures is the development and propagation of various forms of intra- and inter-laminar damages in the form of cracking and delaminations.

The overall aim of the project is optimal design of materials used in composite risers and umbilicals. The developed analytical and numerical models shall be able to accurately capture initiation and propagation of cracks and delaminations because it is crucial for damage-tolerant composite structures. Multiparametric numerical analysis of the damage propagation and its influence on the strength and stiffness of the structure will be done during the project.

Candidates should have (or expect to achieve) the UK honours degree at 2.1 or above (or equivalent) in Engineering, Materials or Applied Mathematics. It is essential that the applicant has a background in Fundamentals of Engineering Materials and Stress Analysis
Numerical Methods.

The project is likely to involve a combination of analytical studies and computer modelling including FEM&BEM analysis and MatLab programming, so the appropriate computing skills would be quite beneficial but not compulsory.

APPLICATION PROCEDURE:

• Apply for Degree of Doctor of Philosophy in Engineering
• State name of the lead supervisor as the Name of Proposed Supervisor
• State ‘Self-funded’ as Intended Source of Funding
• State the exact project title on the application form

When applying please ensure all required documents are attached:

• All degree certificates and transcripts (Undergraduate AND Postgraduate MSc-officially translated into English where necessary)
• Detailed CV

Informal inquiries can be made to Dr M Menshykova (), with a copy of your curriculum vitae and cover letter. All general enquiries should be directed to the Postgraduate Research School ()

It is possible to undertake this project by distance learning. Interested parties should contact Dr Menshykova to discuss this.

Funding Notes

This project is advertised in relation to the research areas of the discipline of Engineering. The successful applicant will be expected to provide the funding for Tuition fees, living expenses and maintenance. Details of the cost of study can be found by visiting View Website. THERE IS NO FUNDING ATTACHED TO THIS PROJECT

References

1. Menshykova MV, Guz IA. Stress analysis of layered thick walled composite pipes subjected to bending loading, International Journal of Mechanical Sciences, 2014, 88: 289-299.
2. Menshykova M, Guz, I. & Paik, JK. Thick-walled composite tubes for offshore applications: an example of stress and failure analysis for filament-wound multi-layered pipes, Ships and Offshore Structures, 2017, 12(3): 304-322.

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