The estimation of damage in steel tendons is important for evaluating the remaining capacity existing tensioned members. This research focuses on calculating Johnson–Cook (LC) model and parameters high-strength material through quasi-static dynamic uniaxial tests. Finite element analysis used to replicate experimental procedure, image correlation analysis, numerical results accuracy verified. I...

Inverse model calibration for identifying the constitutive parameters can be computationally demanding expensive-to-evaluate simulation models. This paper presents a modified Bayesian optimization (BO) method, denoted as BO-bound, that incorporates theoretical bounds on quantity of interest. A case study inverse Johnson Cook (J-C) flow stress is presented using machining (cutting) force data. T...

This paper investigates the structure–property relations of thin-walled lattices, characterized by their cross-sections and heights, under dynamic longitudinal compression. These elucidate interactions different geometric features a design on mechanical response, including energy absorption. We proposed combinatorial, key-based system to generate lattice designs used finite element method simul...

Influence of the constitutive flow law in FEM simulation of the Radial forging process. OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. Radial forging is a widely used forming process for manufacturing hollow products in transport industry. As the deformation of the workpiece, during the process, is a c...

Slow, intermediate and high strain rate experiments with UT geometries are performed on aluminum AA7075-T6 sheet metal at various temperatures. The comprehensive experimental program characterizes the plasticity response temperatures ranging from 20°C to 360°C rates 0.001/s 150/s. elevated temperature - a hydraulic tensile testing machine Split Hopkinson Pressure Bar system Load Inversion Devic...

Semi-buried structures are most commonly used at first line of defense along the border between two countries. This demands investigation of their dynamic behaviour under blast loading. Herein, a semi-buried structure with foam sandwiched walls and buttresses to reduce the effect of blast is analysed. The effect of provision of different configurations of buttresses and foam core between two la...