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Thermoelastic Stress and Damage Analysis Using Transient Loading

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Abstract

Thermoelastic stress analysis (TSA) is often regarded as a laboratory based technique due to its requirement for a cyclic load. A modified methodology is proposed in which only a single transient load is used for the TSA measurement. Two methods of imparting the transient load are validated against calculations and the conventional TSA approach. Specimens with different damage severities are tested and it is shown that the modified TSA method has the potential to be applied in the field as a non-destructive evaluation tool.

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Acknowledgments

The authors are grateful for the support of the Engineering and Physical Sciences Research Council and Airbus UK.

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Authors and Affiliations

  1. School of Engineering Sciences, University of Southampton, Highfield, Southampton, SO17 1BJ, UK

    R. K. Fruehmann, J. M. Dulieu-Barton (SEM member) & S. Quinn (SEM member)

Authors
  1. R. K. Fruehmann
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  2. J. M. Dulieu-Barton
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  3. S. Quinn
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Correspondence to J. M. Dulieu-Barton.

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Fruehmann, R.K., Dulieu-Barton, J.M. & Quinn, S. Thermoelastic Stress and Damage Analysis Using Transient Loading. Exp Mech 50, 1075–1086 (2010). https://doi.org/10.1007/s11340-009-9295-9

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  • DOI: https://doi.org/10.1007/s11340-009-9295-9

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