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A Particle Finite Element Method for Cutting of Solids

  • The simulation of cutting process challenges established methods due to large deformations and topological changes. In this work a particle finite element method (PFEM) is presented, which combines the benefits of discrete modeling techniques and methods based on continuum mechanics. A crucial part of the PFEM is the detection of the boundary of a set of particles. The impact of this boundary detection method on the structural integrity is examined and a relation of the key parameter of the method to the eigenvalues of strain tensors is elaborated. The influence of important process parameters on the cutting force is studied and a comparison to an empirical relation is presented.

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Author:Matthias Sabel
URN (permanent link):urn:nbn:de:hbz:386-kluedo-53682
Serie (Series number):Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik (17)
Advisor:Ralf Müller
Document Type:Doctoral Thesis
Language of publication:English
Publication Date:2018/09/09
Date of first Publication:2018/09/09
Publishing Institute:Technische Universität Kaiserslautern
Granting Institute:Technische Universität Kaiserslautern
Acceptance Date of the Thesis:2017/09/22
Date of the Publication (Server):2018/09/10
Tag:alpha shape method; cutting simulation; particle finite element method
Number of page:X, 94
Faculties / Organisational entities:Fachbereich Maschinenbau und Verfahrenstechnik
DDC-Cassification:6 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften und Maschinenbau
Licence (German):Creative Commons 4.0 - Namensnennung, nicht kommerziell, keine Bearbeitung (CC BY-NC-ND 4.0)