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Description
  • Při vytváření přesnějších modelů konstrukcí z betonu v metodě konečných prvků je často třeba uvažovat s modelováním vzniku a rozvoje trhlin. Uvažování sestupné větve pracovního diagramu v tahu v modelu rozmazané trhliny sebou přináší problémy se závislostí výsledků na hustotě sítě konečných prvků. Příspěvek se zabývá možnostmi aplikace některých postupů, vedoucích k omezení této závislosti, na ohýbané pruty a desky. Je zde prezentován model se závislým modulem změkčení a model nelokálního kontinnua pro plasticitu a poškození. (cs)
  • For the establishment of new more rigorously models concrete structures is usually necessary to take in account development of cracks. If there is considered strain softening in the model of smeared crack, the results of solutions are influenced by mesh size of finite element model. The paper is focused on the application some methods, usually named as localization limiters on beams in bending an plates. There is presented mesh adjusted softening model and nonlocal continuum model for plasticityy and damage.
  • For the establishment of new more rigorously models concrete structures is usually necessary to take in account development of cracks. If there is considered strain softening in the model of smeared crack, the results of solutions are influenced by mesh size of finite element model. The paper is focused on the application some methods, usually named as localization limiters on beams in bending an plates. There is presented mesh adjusted softening model and nonlocal continuum model for plasticityy and damage. (en)
Title
  • Lokalizace deformace v ohýbaných konstrukcích (cs)
  • The Strain Localization in Structures under Bending
  • The Strain Localization in Structures under Bending (en)
skos:prefLabel
  • Lokalizace deformace v ohýbaných konstrukcích (cs)
  • The Strain Localization in Structures under Bending
  • The Strain Localization in Structures under Bending (en)
skos:notation
  • RIV/00216305:26110/04:PU47812!RIV06-GA0-26110___
http://linked.open.../vavai/riv/strany
  • 49-53
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP103/03/P055)
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
  • 588230
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26110/04:PU47812
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • reinforced concrete; slab; crack band model; nonlocal continuum; crack; finite element method; damage localization (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [AE5A013785F9]
http://linked.open...v/mistoKonaniAkce
  • Svratka
http://linked.open...i/riv/mistoVydani
  • Institute of Thermomechanics, Academy of Science
http://linked.open...i/riv/nazevZdroje
  • Engineering Mechanics 2004, CD ROOM
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Brdečko, Luděk
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Ústav termomechaniky AV ČR
https://schema.org/isbn
  • 80-85918-88-9
http://localhost/t...ganizacniJednotka
  • 26110
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