The Application Of Thermoelastic Stress Analysis Techniques To Fibre Composites

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Abstract
The development of thermoelastic stress analysis has provided a unique non-contact method of investigating the stress distribution over the surface of structures and components subject to cyclic loading. The technique has been extensively applied on a qualitative basis to identify areas of high or non-uniform stress in a wide range of structures, including those whose complexity would preclude investigation by more conventional means. However, particularly when applied to fibre composite materials, the derivation of accurate quantitative data requires further development. The present Paper describes the development of a rigorous theoretical basis for the application of thermoelastic stress analysis to a generalised anisotropic material. Some practical aspects of the application of the method to fibre composite materials are then discussed.

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