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Modelling and simulation of high-speed machining

Marusich, T. D. and Ortiz, M. (1995) Modelling and simulation of high-speed machining. International Journal for Numerical Methods in Engineering, 38 (21). pp. 3675-3694. ISSN 0029-5981. doi:10.1002/nme.1620382108.

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A Lagrangian finite element model of orthogonal high-speed machining is developed. Continuous remeshing and adaptive meshing are the principal tools which we employ for sidestepping the difficulties associated with deformation-induced element distortion, and for resolving fine-scale features in the solution. The model accounts for dynamic effects, heat conduction, mesh-on-mesh contact with friction, and full thermo-mechanical coupling. In addition, a fracture model has been implemented which allows for arbitrary crack initiation and propagation in the regime of shear localized chips. The model correctly exhibits the observed transition from continuous to segmented chips with increasing tool speed.

Item Type:Article
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Ortiz, M.0000-0001-5877-4824
Additional Information:© 1995 John Wiley & Sons. Received 22 October 1994. Revised 31 January 1995. This work has been funded by the National Science Foundation through Grant DDM-9016568. The authors are indebted to Steve Wayne of the Valenite Advanced Technology Center for helpful suggestions and discussions.
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Subject Keywords:machining; finite elements; remeshing; thermo-mechanical coupling
Issue or Number:21
Record Number:CaltechAUTHORS:20171213-155828724
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Official Citation:Marusich, T. D. and Ortiz, M. (1995), Modelling and simulation of high-speed machining. Int. J. Numer. Meth. Engng., 38: 3675–3694. doi: 10.1002/nme.1620382108
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:83901
Deposited By: Lydia Suarez
Deposited On:14 Dec 2017 22:16
Last Modified:15 Nov 2021 20:15

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