Table 1

FEA formulation.

Item considered for building FEM Attribute chosen in deform 3D software
Type of Analysis Lagrangian
Dimensions of FEM Same as Experiment (No Scaling)
Mesh Size (Aspect) Ratio 2
Element Type 4-noded, 3D Tetrahedral
Number of Elements in Work-piece after Meshing 35171
Number of Nodes in Work-piece after Meshing 7790
Number of Elements in Cutting Tool after Meshing 14651
Number of Nodes in Cutting Tool after Meshing 3526
Nature of Work-piece Deformation Plastic
Nature of Cutting Tool Rigid
Relevant Experimental Data Cutting Speed, Feed Rate & Length of Machining Pass
Contact Modeling Lagrange Multiplier Method
Material Modeling Johnson-Cook (JC) Model
Friction Modeling Usui Model
Friction Factor 0.6
Chip Separation Criteria Physical Criticality based on JC Model
FEM Renewal Adaptive Meshing
Heat Transfer Coefficient 45 × 106 W / mm2K
Ambient Temperature 303 K

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