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High-velocity compaction simulation of spherical particles using discrete element method
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
(English)In: Advances in Acoustics and Vibration, ISSN 1687-6261, E-ISSN 1687-627XArticle in journal (Other academic) Submitted
Abstract [en]

High-velocity compaction of a one-dimensional assembly of spherical metal particles is presented by extending the well established quasi-static compaction models. The compaction process is modeled by a discrete element method while using elastic and

plastic loading, elastic unloading and adhesion at contacts. Compaction of particles is simulated using typical dynamic loading parameters. Of particular interest is to study the development of the elasto-plastic shock wave, its propagation and influence on the

compaction process. Simulation results yield information on  contact behavior,  velocity and deformation of particles during dynamic compaction. Effects of changing loading parameters on the compaction process are also discussed.

Keyword [en]
High-velocity compaction, Discrete element method, Plastic deformation, Adhesion
National Category
Fluid Mechanics and Acoustics
Research subject
Järnvägsgruppen - Ljud och vibrationer
Identifiers
URN: urn:nbn:se:kth:diva-31140OAI: oai:DiVA.org:kth-31140DiVA: diva2:402822
Note

QC 20110311

Available from: 2011-03-09 Created: 2011-03-09 Last updated: 2017-12-11Bibliographically approved

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Shoaib, Muhammad
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