Acta Mechanica Solida Sinica

, Volume 25, Issue 6, pp 638–650 | Cite as

Numerical Predictions and Experimental Validations of Ductile Damage Evolution in Sheet Metal Forming Processes

  • Farhad Haji Aboutalebi
  • Mahmoud Farzin
  • Mohammad Mashayekhi
Article

Abstract

Prediction of forming limit in sheet metal forming is among the most important challenges confronting researchers. In this paper, a fully coupled elastic-plastic-damage model has been developed and implemented into an explicit code. Due to the adoption of the plane stress and finite strain theories, model can predict deformation and damage of parts quickly and accurately. Also, damage initiation, propagation, and fracture in some operations are predicted and validated with experiments. It is concluded that finite strain combined with continuum damage mechanics can be used as a quick tool to predict ductile damage, fracture, and forming limits in sheet metal forming processes.

Key words

ductile damage finite strain fracture sheet metal forming 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2012

Authors and Affiliations

  • Farhad Haji Aboutalebi
    • 1
  • Mahmoud Farzin
    • 2
  • Mohammad Mashayekhi
    • 2
  1. 1.Department of Mechanical EngineeringUniversity of IsfahanIsfahanIran
  2. 2.Department of Mechanical Engineering, IsfahanUniversity of TechnologyIsfahanIran

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