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  • A systematic approach to the calibration of particle models is presented. The procedure is based on simulations of basic cells with periodic boundary conditions. Firstly, a calibration for elastic properties is explained. A very good agreement between the results of static FEM and quasi-static DEM simulations and theoretical formulas motivated by the microplane theory is found. Then, basic ideas of calibration of inelastic parameters using PBC are explained on the simple case of uniaxial tension. The dependence of the results on the periodic cell orientation with respect to the localized process zone is studied and the influence of the particle and cell size is covered as well. The gained knowledge is then applied in simulations of material failure under uniaxial compression and multiaxial loading. To demonstrate the applicability of the described method, the plane stress failure envelope for the investigated model is constructed for different combinations of microscopic parameters.
  • A systematic approach to the calibration of particle models is presented. The procedure is based on simulations of basic cells with periodic boundary conditions. Firstly, a calibration for elastic properties is explained. A very good agreement between the results of static FEM and quasi-static DEM simulations and theoretical formulas motivated by the microplane theory is found. Then, basic ideas of calibration of inelastic parameters using PBC are explained on the simple case of uniaxial tension. The dependence of the results on the periodic cell orientation with respect to the localized process zone is studied and the influence of the particle and cell size is covered as well. The gained knowledge is then applied in simulations of material failure under uniaxial compression and multiaxial loading. To demonstrate the applicability of the described method, the plane stress failure envelope for the investigated model is constructed for different combinations of microscopic parameters. (en)
Title
  • Calibration of Particle Models using Cells with Periodic Boundary Conditions
  • Calibration of Particle Models using Cells with Periodic Boundary Conditions (en)
skos:prefLabel
  • Calibration of Particle Models using Cells with Periodic Boundary Conditions
  • Calibration of Particle Models using Cells with Periodic Boundary Conditions (en)
skos:notation
  • RIV/68407700:21110/11:00187435!RIV12-MSM-21110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 189045
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/11:00187435
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Particle models, calibration, periodic boundary conditions, multi-axial loading, failure envelope (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [FDFBFE99F5E3]
http://linked.open...v/mistoKonaniAkce
  • Barcelona
http://linked.open...i/riv/mistoVydani
  • Barcelona
http://linked.open...i/riv/nazevZdroje
  • Particle-Based Methods
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Jirásek, Milan
  • Stránský, Jan
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • CIMNE
https://schema.org/isbn
  • 978-84-89925-69-4
http://localhost/t...ganizacniJednotka
  • 21110
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