CAD-based displacement measurements with stereo-DIC: Principle and first validations

Abstract : A new displacement measurement technique is proposed in a stereovision setup, which uses the object of interest as the support of the correlation process. This procedure leads to a global approach to stereocorrelation. The method is presented in its general formulation and is then particularized to the case of non uniform rational B-splines (NURBS). The displacement field is directly measured as a 3D field expressed in a NURBS basis consistent with the existing geometric model. The kinematic measurements are validated
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John-Eric Dufour, Benoît Beaubier, François Hild, Stéphane Roux. CAD-based displacement measurements with stereo-DIC: Principle and first validations. Experimental Mechanics, Society for Experimental Mechanics, 2015, 55 (9), pp.1657-1668. ⟨10.1007/s11340-015-0065-6⟩. ⟨hal-01198947⟩

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