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Non-Linear Elasto-Plastic Shock Wave Simulation in High-Velocity Compaction by Discrete Element Method
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.ORCID iD: 0000-0001-5760-3919
2012 (English)In: Nonlinear Acoustics: State-Of-The-Art And Perspectives (ISNA 19) / [ed] Kamakura, T; Sugimoto, N, American Institute of Physics (AIP), 2012, 172-175 p.Conference paper, Published paper (Refereed)
Abstract [en]

Non-linear elasto-plastic shock waves in particle systems at high-velocity compaction are simulated by the discrete element method. The contact laws applied between the spherical metal particles include non-linear elastic and plastic loading, adhesion and elastic unloading. Of particular interest is to study the transmission and reflection of non-linear shock waves through a particle system with and without voids between the particles. Interesting results are presented in the paper including the particle deformation at incident and reflected shocks and particle velocity oscillations as a result of voids. The study of non-linear elasto-plastic shock waves in particle systems has a strong practical relevance including high-velocity compaction of metal powder.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2012. 172-175 p.
Series
AIP Conference Proceedings, ISSN 0094-243X ; 1474
Keyword [en]
Elasto-plastic shock wave, high-velocity compaction, discrete element method, void, particle oscillation
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-105026DOI: 10.1063/1.4749324ISI: 000309528700033Scopus ID: 2-s2.0-84870014638ISBN: 978-0-7354-1082-4 (print)OAI: oai:DiVA.org:kth-105026DiVA: diva2:570306
Conference
19th International Symposium on Nonlinear Acoustics (ISNA), MAY 21-24, 2012, Tokyo, Japan
Funder
TrenOp, Transport Research Environment with Novel Perspectives
Note

QC 20121119

Available from: 2012-11-19 Created: 2012-11-15 Last updated: 2013-04-10Bibliographically approved

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Kari, Leif

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