Overview of identification methods of mechanical parameters based on full-field measurements

Abstract : This article reviews recently developed methods for constitutive parameter identification based on kinematic full-field measurements, namely the finite element model updating method (FEMU), the constitutive equation gap method (CEGM), the virtual fields method (VFM), the equilibrium gap method (EGM) and the reciprocity gap method (RGM). Their formulation and underlying principles are presented and discussed. These identification techniques are then applied to full-field experimental data obtained on four different experiments, namely (i) a tensile test, (ii) the Brazilian test, (iii) a shear-flexural test, and (iv) a biaxial test. Test (iv) features a non-uniform damage field, and hence non-uniform equivalent elastic properties, while tests (i), (ii) and (iii) deal with the identification of uniform anisotropic elastic properties. Tests (ii), (iii) and (iv) involve non-uniform strain fields in the region of interest.
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Submitted on : Saturday, August 9, 2008 - 12:52:27 AM
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Stéphane Avril, Marc Bonnet, Anne Sophie Bretelle, Michel Grediac, François Hild, et al.. Overview of identification methods of mechanical parameters based on full-field measurements. Experimental Mechanics, Society for Experimental Mechanics, 2008, 48 (4), pp.381-402. ⟨10.1007/s11340-008-9148-y⟩. ⟨hal-00274639v2⟩



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