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A non-ordinary state-based peridynamics formulation for thermoplastic fracture

Amani, J. and Oterkus, E. and Areias, P. and Zi, G. and Nguyen-Thoi, T. and Rabczuk, T. (2016) A non-ordinary state-based peridynamics formulation for thermoplastic fracture. International Journal of Impact Engineering, 87. pp. 83-94.

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Abstract

In this study, a three-dimensional (3D) non-ordinary state-based peridynamics (NOSB-PD) formulation for thermomechanical brittle and ductile fracture is presented. The Johnson–Cook (JC) constitutive and damage model is used to taken into account plastic hardening, thermal softening and fracture. The formulation is validated by considering two benchmark examples: 1) The Taylor-bar impact and 2) the Kalthoff–Winkler tests. The results show good agreements between the numerical simulations and the experimental results.