Simulation of Cutting processes by the Particle Finite Element Method

The cutting process is characterised by large deformations and large configurational changes. Especially the formation of chips and burrs pushes established modeling techniques to their limits. To overcome these difficulties, the particle finite element method (PFEM) combines the benefits of discret...

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Bibliographic Details
Published inMitteilungen der Gesellschaft für Angewandte Mathematik und Mechanik Vol. 40; no. 1; pp. 51 - 70
Main Authors Sabel, Matthias, Müller, Ralf, Sator, Christian
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 01.09.2017
Subjects
Burrs
Chip formation
Computer simulation
Continuum mechanics
Cutting parameters
cutting simulations
Deformation
Finite element analysis
Finite element method
Nonlinear programming
PFEM
Process parameters
Structural integrity
α‐shape
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Summary:The cutting process is characterised by large deformations and large configurational changes. Especially the formation of chips and burrs pushes established modeling techniques to their limits. To overcome these difficulties, the particle finite element method (PFEM) combines the benefits of discrete modeling techniques and methods based on continuum mechanics. In this work an outline of the PFEM algorithm is provided and the method is tested in a comparison to the standard finite element method (FEM). The influence of the boundary detection within the PFEM algorithm on the structural integrity of the material is studied and the numerical examples include a tensile test as well as cutting simulations, and parameter studies on important process parameters in cutting.
ISSN:0936-7195
1522-2608
DOI:10.1002/gamm.201710005