A Combined Molecular Dynamics and Rigid-Plastic FEM Simulation of Atomic Level Cutting | Zendy

Keiji Manabe | Zendy; Manabu Isobe | Zendy; Kanji Ueda | Zendy

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A Combined Molecular Dynamics and Rigid-Plastic FEM Simulation of Atomic Level Cutting

Author(s) -

Keiji Manabe,

Manabu Isobe,

Kanji Ueda

Publication year - 1997

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.1997.p0455

Subject(s) - diamond tool , finite element method , molecular dynamics , enhanced data rates for gsm evolution , materials science , process (computing) , diamond , diamond turning , flow (mathematics) , diamond cutting , shear (geology) , chip formation , mechanical engineering , mechanics , structural engineering , computer science , composite material , tool wear , metallurgy , physics , engineering , machining , chemistry , computational chemistry , telecommunications , operating system

An atomic-level cutting process is simulated using the combined molecular dynamics (MD) method and the rigid-plastic finite element method (RPFEM). The algorithm for combining the MD and RPFEM was developed. The MD solution of the atomic displacements and the nodal displacements obtained by the RPFEM analysis are combined in the vicinity of the tool edge, so an atomic-level cutting process is simulated. The transition process at the beginning of cutting a single crystal of copper with a diamond tool is simulated. In this calculation, the atomic behavior in the shear zone near the tool edge and the plastic flow of the chip can be analyzed simultaneously. The proposed MD-RPFEM hybrid simulation is considered to be effective in analyzing the atomic-order cutting process.

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