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Keywords: numerical simulations
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051019.
Published Online: August 5, 2011
.... Based on material test data, a Modified Johnson-Cook (MJC) model was calibrated for numerical simulations using the LS-DYNA explicit finite element code. To check the mesh size sensitivity, 2D axisymmetric finite element models with three different mesh sizes and configurations were used for the various...
Journal Articles
Article Type: Advances In Impact Engineering
J. Appl. Mech. September 2009, 76(5): 051302.
Published Online: June 12, 2009
... plugging, where the deformation localizes into narrow adiabatic shear bands. A thermoelastic-thermoviscoplastic constitutive model with coupled or uncoupled ductile damage was used to carry out the numerical simulations. The effect on the ballistic limit velocity by introducing a length scale...