Isogeometric surface fitting from tomographic images
Résumé
Manufactured lattice structures often deviate from their original as-designed CAD models, which can greatly affect their mechanical response. In this work, a method is proposed to adjust an existing CAD model so that it matches as-manufactured defects using image-based techniques within a B-spline framework. By regularizing a Virtual Image Correlation method with a membrane strain energy and a high regularity multipatch interconnection, our approach achieves accurate shape measurement with pixel accuracy.
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