WFRF:(Carbonell J.)
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Generation of segmental chips in metal cutting modeled with the PFEM
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- Rodriguez Prieto, Juan Manuel (author)
- Luleå tekniska universitet,Material- och solidmekanik
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- Carbonell, J. M. (author)
- International Center for Numerical Methods in Engineering (CIMNE), Barcelona, Spain
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- Cante, J.C. (author)
- Escola Tècnica Superior d’Enginyeries Industrial i Aeronàutica de Terrassa; International Center for Numerical Methods in Engineering (CIMNE), Barcelona, Spain
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- (creator_code:org_t)
- 2017-09-01
- 2018
- English.
- In: Computational Mechanics. - : Springer. - 0178-7675 .- 1432-0924. ; 61:6, s. 639-655
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The Particle Finite Element Method, a lagrangian finite element method based on a continuous Delaunay re-triangulation of the domain, is used to study machining of Ti6Al4V. In this work the method is revised and applied to study the influence of the cutting speed on the cutting force and the chip formation process. A parametric methodology for the detection and treatment of the rigid tool contact is presented. The adaptive insertion and removal of particles are developed and employed in order to sidestep the difficulties associated with mesh distortion, shear localization as well as for resolving the fine-scale features of the solution. The performance of PFEM is studied with a set of different two-dimensional orthogonal cutting tests. It is shown that, despite its Lagrangian nature, the proposed combined finite element-particle method is well suited for large deformation metal cutting problems with continuous chip and serrated chip formation.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
Keyword
- Hållfasthetslära
- Solid Mechanics
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- ref (subject category)
- art (subject category)
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