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The University of Southampton
University of Southampton Malaysia

Research project: Analysis of repetitive structures

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A structure is said to be repetitive, or periodic, when its construction takes the form of a spatially repeating cell. Since the manufacture and construction, or assembly, of such structures is also a repetitive process, they often represent a cost effective design solution in many mechanical, aerospace and civil engineering applications.

Professor Stephen and his co-workers have pioneered the use of matrix eigen analysis techniques which allow the computation of the equivalent continuum properties and the Saint-Venant decay characteristics from knowledge of the stiffness matrix of a single repeating cell, particularly for one-dimensional beam-like structures.

Through a combination of two or three linked PhD projects, Professor Stephen wishes to extend these techniques to the analysis of two-dimensional plate-like structures, such as the honeycomb, and to the analysis of foam-like structures; for the latter, a statistical treatment will be necessary. An interest in structural mechanics, computational engineering and applied mathematics is essential; there may also be some experimental work.

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