Analysing contact phenomena in a commercial finite element code
Faculty of Technology
Applications are invited for a PhD scholarship at the University of Plymouth, starting in October 2006 or as soon as possible after this date. The project will investigate the use of contact models embedded in a commercial finite element code. In particular, the project will focus on large strain problems and/or dynamics contact issues.
Many manufacturing processes such as metal forming involve contact between two or more components. Interactions also frequently occur in many structural and mechanical situations, for example in gearing mechanisms and bolted connections. Experimental studies of these (and other) contact scenarios can be a complex and expensive task, and the application of simple analytical methods can be limited due to the need to idealise the situation. To simplify the problem it is often necessary to make assumptions regarding the geometry and loading conditions.
Today, it is feasible to conduct a detailed study of contact problems using the finite element method, but solutions for complex simulations, such as problems that include interactions with hyper-elastic (rubber) materials, can still fail to deliver a close correlation with physical test data.
Modern, commercial finite element programs can often contain contact models that require twenty or more inputs. These inputs influence the contact algorithms but can be ill-defined and are often not fully understood by the user, and there is a lack of benchmark problems to provide standardisation, particularly for dynamic contact problems. The successful applicant will consider the development of simple benchmark problems and examine the relevance and reliability of contact models for simulating the interaction between two bodies.
The Faculty Fee Scholarship is for 3 years and is for tuition fees for a home/EU student (approximately £3170 per annum). The Studentship does not cover the difference (approximately £5705) between the home/EU tuition fee and the tuition fee for an overseas student. However, other funds may be available to partly cover this difference and applications from well-qualified overseas candidates are therefore welcome.
To apply, you must have a background in an engineering related subject (e.g. mechanical engineering, civil engineering, materials engineering or similar). The candidate should have or be expected to obtain a 2(i) degree and have an interest in finite element modelling. A fees scholarship is available for well qualified candidates.
Informal enquiries may be made to Dr Wayne Hall, on 01752 233653 or email wayne.hall@plymouth .ac.uk although applications must be made in accordance with the details shown below.
Applications forms can be down loaded from the university web site http://www.plymouth .ac.uk/pages/ view.asp? page=5731 or can be obtained from Mrs C Watson, Research Administrator by email c.watson@plymouth. ac.uk
* CLOSING DATE: 12 NOON, WEDNESDAY 27 SEPTEMBER 2006*
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