An Engineering Approach to Predict Fracture and Tearing

Paper #:
  • 2011-01-0002

Published:
  • 2011-04-12
Citation:
Wang, K., Deng, Y., Rao, V., and Yang, X., "An Engineering Approach to Predict Fracture and Tearing," SAE Technical Paper 2011-01-0002, 2011, https://doi.org/10.4271/2011-01-0002.
Pages:
7
Abstract:
An engineering approach was developed to extract the failure plastic strain, thinning failure strain, and major in plane failure strain for finite element simulation applications. This approach takes into account the failure strain dependency on the element size when element deletion scheme is invoked in the simulation of material fracture. Both localized necking fracture and tensile shear fracture can be predicted when appropriate elements and material models are used in LS-DYNA simulations. This leads to a more accurate prediction of fracture and tearing in the finite element simulation of vehicle structure and crash loading conditions.
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