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

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...

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Bibliographic Details
Published inInternational journal of impact engineering Vol. 87; pp. 83 - 94
Main Authors Amani, J., Oterkus, E., Areias, P., Zi, G., Nguyen-Thoi, T., Rabczuk, T.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.01.2016
Subjects
Benchmarking
Computer simulation
Damage assessment
Fracture
Fracture mechanics
Johnson–Cook model
Mathematical models
Non-local model
Peridynamics
Softening
Thermoplastic resins
Thermoplasticity
Three dimensional
Johnson–Cook model
Peridynamics
Fracture
Non-local model
Thermoplasticity
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Summary: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. •A non-ordinary state-based peridynamics is proposed for thermoplasticity.•Adiabatic heating condition is considered.•The Johnson–Cook constitutive and damage model is used.•Taylor-bar impact and Kalthoff–Winkler experimental tests are simulated and validated.
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ISSN:0734-743X
1879-3509
DOI:10.1016/j.ijimpeng.2015.06.019