Abstract
We study the reciprocity gap method (Andrieux et al., 1999) for the identification of planar cracks in the framework of three dimensional linear elasticity. In order to achieve better accuracy on thick domains, we propose to use polynomial test functions instead of Fourier series. We also propose to improve the solution by various regularization techniques that are tested and compared. Numerical assessments are provided in 2D and 3D.
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More From: Computer Methods in Applied Mechanics and Engineering
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