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Numerical Simulation of Orthogonal Cutting Using the Material Point Method Public Deposited

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https://ir.library.oregonstate.edu/concern/articles/8910k022z

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Abstract
  • A material point method simulation of orthogonal cutting that can simulate cutting into steady-state chip curling is described. The modeling used ductile fracture mechanics using cohesive zone in the cutting path. Robust simulations required a new mechanism to damp kinetic energy artifacts associated with dynamic crack propagation. The simulations displayed two regimes — crack-tip touching, where the tool reaches the crack tip, and plastic bending, where the tool is separated from the crack tip by a gap. The simulations were compared to analytical models that were revised to account for rubbing forces and hardening laws.
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  • Nairn, J. A. (2015). Numerical simulation of orthogonal cutting using the material point method. Engineering Fracture Mechanics, 149, 262-275. doi:10.1016/j.engfracmech.2015.07.014
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  • 149
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  • This material is based upon work supported by the National Institute of Food and Agriculture, United States Department of Agriculture, under McIntire-Stennis account #229862, project #OREZ-WSE-849-U.
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