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Pregled bibliografske jedinice broj: 549821

A study on adjusted contact force laws for accelerated large scale discrete element simulations

Kruggel-Emden, Harald; Stepanek, Frantisek; Munjiza, Ante
A study on adjusted contact force laws for accelerated large scale discrete element simulations // Particuology Science and Technology of Particles, 8 (2010), 2; 161-175 doi:10.1016/j.partic.2009.07.006 (međunarodna recenzija, članak, znanstveni)

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Naslov
A study on adjusted contact force laws for accelerated large scale discrete element simulations

Autori
Kruggel-Emden, Harald ; Stepanek, Frantisek ; Munjiza, Ante

Izvornik
Particuology Science and Technology of Particles (1674-2001) 8 (2010), 2; 161-175

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Large scale simulations; Contact force models; Discrete Element Method; Stiffness; Particle overlap

Sažetak
The aim of this work is to systematically investigate the effect of the normal force law and the applied stiff-ness on the behavior of single particles and particle systems. A detailed review of the literature regarding altered stiffnesses and their use in force laws is provided. The effect on macroscopic simulation properties such as contact numbers, velocity profiles, discharge rates and quality of dispersion for different fractions of maximum overlap is studied in the case of a stirrer vessel and a rectangular hopper. In order to provide further acceleration beyond the limits imposed by classical force models, a number of alternative force laws are developed which have a more favorable ratio between contact time and maximal overlap. Their employment in large scale simulations is investigated in light of their applicability. Some of the suggested force law modifications reveal artificial characteristics requiring further alteration.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo, Temeljne tehničke znanosti



POVEZANOST RADA

Projekti:
083-0831541-1532 - Nelinearna dinamička analiza trodimenzionalnih armirano-betonskih konstrukcija (Nikolić, Željana, MZO ) ( CroRIS)

Ustanove:
Fakultet građevinarstva, arhitekture i geodezije, Split

Profili:

Avatar Url Ante Munjiza (autor)

Poveznice na cjeloviti tekst rada:

doi

Citiraj ovu publikaciju:

Kruggel-Emden, Harald; Stepanek, Frantisek; Munjiza, Ante
A study on adjusted contact force laws for accelerated large scale discrete element simulations // Particuology Science and Technology of Particles, 8 (2010), 2; 161-175 doi:10.1016/j.partic.2009.07.006 (međunarodna recenzija, članak, znanstveni)
Kruggel-Emden, H., Stepanek, F. & Munjiza, A. (2010) A study on adjusted contact force laws for accelerated large scale discrete element simulations. Particuology Science and Technology of Particles, 8 (2), 161-175 doi:10.1016/j.partic.2009.07.006.
@article{article, author = {Kruggel-Emden, Harald and Stepanek, Frantisek and Munjiza, Ante}, year = {2010}, pages = {161-175}, DOI = {10.1016/j.partic.2009.07.006}, keywords = {Large scale simulations, Contact force models, Discrete Element Method, Stiffness, Particle overlap}, journal = {Particuology Science and Technology of Particles}, doi = {10.1016/j.partic.2009.07.006}, volume = {8}, number = {2}, issn = {1674-2001}, title = {A study on adjusted contact force laws for accelerated large scale discrete element simulations}, keyword = {Large scale simulations, Contact force models, Discrete Element Method, Stiffness, Particle overlap} }
@article{article, author = {Kruggel-Emden, Harald and Stepanek, Frantisek and Munjiza, Ante}, year = {2010}, pages = {161-175}, DOI = {10.1016/j.partic.2009.07.006}, keywords = {Large scale simulations, Contact force models, Discrete Element Method, Stiffness, Particle overlap}, journal = {Particuology Science and Technology of Particles}, doi = {10.1016/j.partic.2009.07.006}, volume = {8}, number = {2}, issn = {1674-2001}, title = {A study on adjusted contact force laws for accelerated large scale discrete element simulations}, keyword = {Large scale simulations, Contact force models, Discrete Element Method, Stiffness, Particle overlap} }

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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