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Description
  • V článku je uvažována interakce velmi deformovatelných těles s tekutinami na úrovni mikrostruktury. Tento jev zapříčiňuje viskoelastické chování pozorované jako %22hereditary creep%22 na makroskopické úrovni, kde materiálový model je popsán pomoci homogenizovaných koeficientu. Mikro- a makroskopické limitní úlohy jsou odvozeny pro lokálně periodický materiál s několika inkluzemi. Pro výpočet lokálních mikroskopických úloh evoluce mikrostruktury je navržena paralelní výpočetní strategie. Homogenizované vlastnosti materiálu a deformačně difúzní mechanismy probíhající v konkrétní mikro-konfiguraci jsou demonstrovány na několika numerických příkladech s různými geometriemi mikrostruktury. (cs)
  • In this paper we treat interactions between large deforming solid and fluid media at the microscopic level. This phenomenon is responsible for viscoelastic behaviour observed as the hereditary creep at the macroscopic scale where the material model is described in terms of the homogenized (effective) parameters. The local microscopic and the upscaled global macroscopic problems are derived for the locally periodic porous microstructure with several inclusions. The parallel computational strategy is proposed to solve the local problems associated with specific microstructures evolving in time. On numerical examples using various geometries of the microstructures we demonstrate how the homogenized properties depend on deformation-diffusion processes undergoing in a particular micro-configuration.
  • In this paper we treat interactions between large deforming solid and fluid media at the microscopic level. This phenomenon is responsible for viscoelastic behaviour observed as the hereditary creep at the macroscopic scale where the material model is described in terms of the homogenized (effective) parameters. The local microscopic and the upscaled global macroscopic problems are derived for the locally periodic porous microstructure with several inclusions. The parallel computational strategy is proposed to solve the local problems associated with specific microstructures evolving in time. On numerical examples using various geometries of the microstructures we demonstrate how the homogenized properties depend on deformation-diffusion processes undergoing in a particular micro-configuration. (en)
Title
  • Numerical modelling and homogenized constitutive law of large deforming fluid saturated heterogeneous solids
  • Numerické modelování a homogenizované konstitutivní vztahy velmi deformovatelných kapalinou nasycených porézních těles (cs)
  • Numerical modelling and homogenized constitutive law of large deforming fluid saturated heterogeneous solids (en)
skos:prefLabel
  • Numerical modelling and homogenized constitutive law of large deforming fluid saturated heterogeneous solids
  • Numerické modelování a homogenizované konstitutivní vztahy velmi deformovatelných kapalinou nasycených porézních těles (cs)
  • Numerical modelling and homogenized constitutive law of large deforming fluid saturated heterogeneous solids (en)
skos:notation
  • RIV/49777513:23520/06:00000110!RIV07-MSM-23520___
http://linked.open.../vavai/riv/strany
  • 1095
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM4977751303)
http://linked.open...iv/cisloPeriodika
  • 0
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
  • 489332
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23520/06:00000110
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Large deformation; Microstructure; Homogenization; Porous media; Fluid-structure interaction; Hereditary creep; Numerical modelling; Soft tissues (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [D33FF2E00DF5]
http://linked.open...i/riv/nazevZdroje
  • Computers and Structures
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Lukeš, Vladimír
  • Rohan, Eduard
  • Cimrman, Robert
http://linked.open...n/vavai/riv/zamer
issn
  • 0045-7949
number of pages
http://localhost/t...ganizacniJednotka
  • 23520
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