Mechanics of materials

Boundary conditions and constitutive parameter identification

Publié le - PhotoMechanics - iDICs 2024

Auteurs : Antoine Vintache, Pierre Baudoin, Renaud Gras, Florent Mathieu, François Hild

This study proposes a method to determine boundary conditions outside of the full-field measured area and calibrate elastoplastic parameters, allowing for a simulation of the full specimen geometry. This method has been compared to traditional routes and shows a better match between computed and measured displacement data. Measurement uncertainties are propagated at each procedure step, enhancing confidence in the optimized model.