Abstract
Composite parts manufactured in large batches always present defects. These may not influence the behavior of the structure or might on the contrary be seriously detrimental to the performance of the component. In the first case, their presence is negligible, in the other case it is fundamental to be aware of their presence to foresee countermeasures. In this framework, being able to localize and estimate the intensities of flaws is extremely interesting. In this article, we present an approach based on the Modified Constitutive Relation Error to characterize defects, employing as input the displacements field measured from simple static and dynamic tests. The identification capabilities from tensile, bending, vibration and compression tests are compared using pseudo-experimental results as input data; then the identification is shown on a real case for buckling experiments to show the potential of the method.
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Barbarella, E., Allix, O., Daghia, F., Jansen, E., Rolfes, R. (2018). Comparison of Mechanical Tests for the Identification of Composite Defects Using Full-Field Measurements and the Modified Constitutive Relation Error. In: Sorić, J., Wriggers, P., Allix, O. (eds) Multiscale Modeling of Heterogeneous Structures. Lecture Notes in Applied and Computational Mechanics, vol 86. Springer, Cham. https://doi.org/10.1007/978-3-319-65463-8_3
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DOI: https://doi.org/10.1007/978-3-319-65463-8_3
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