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  • A computationally attractive procedure is proposed to formulate a Periodic Unit Cell (PUC) for a masonry structure with disordered geometry. Such a unit cell, in order to represent the original structure in a proper sense, results from matching geometrical statistics related to the original structure and the idealized unit cell, respectively. The geometrical input data are obtained from digitized photographs of real historical structures. The parameters of the unit cell then follow from a minimization problem, defined in terms of suitably selected statistical descriptors such as two-point probability functions. The resulting optimization problem is efficiently solved by a global optimization technique based on genetic algorithms. The quality of the periodic unit cell is judged by numerical evaluation of elastic effective properties.
  • A computationally attractive procedure is proposed to formulate a Periodic Unit Cell (PUC) for a masonry structure with disordered geometry. Such a unit cell, in order to represent the original structure in a proper sense, results from matching geometrical statistics related to the original structure and the idealized unit cell, respectively. The geometrical input data are obtained from digitized photographs of real historical structures. The parameters of the unit cell then follow from a minimization problem, defined in terms of suitably selected statistical descriptors such as two-point probability functions. The resulting optimization problem is efficiently solved by a global optimization technique based on genetic algorithms. The quality of the periodic unit cell is judged by numerical evaluation of elastic effective properties. (en)
  • V tomto příspěvku je představen výpočetní rámec pro analýzu zděných konstrukcí s imperfektní mikrostrukturou, který je aplikován na analýzu Karlova mostu v Praze. (cs)
Title
  • Homogenization of Stone Masonry with Irregular Geometry
  • Homogenization of Stone Masonry with Irregular Geometry (en)
  • Homogenizace kamenného zdiva s nepravidelnou geometrií (cs)
skos:prefLabel
  • Homogenization of Stone Masonry with Irregular Geometry
  • Homogenization of Stone Masonry with Irregular Geometry (en)
  • Homogenizace kamenného zdiva s nepravidelnou geometrií (cs)
skos:notation
  • RIV/68407700:21110/04:01100181!RIV/2005/GA0/211105/N
http://linked.open.../vavai/riv/strany
  • 445 ; 446
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA103/04/1321)
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
  • 566639
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/04:01100181
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • global stochastic optimization; irregular structure; masonry homogenization; random morphology; statistically optimized periodic unit cells (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [CC01DCAF8256]
http://linked.open...v/mistoKonaniAkce
  • Lisabon
http://linked.open...i/riv/mistoVydani
  • Stirling
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the Seventh International Conference on Computational Structures Technology
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
  • Zeman, Jan
  • Šejnoha, Michal
  • Šejnoha, Jiří
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Civil-Comp Press Ltd
https://schema.org/isbn
  • 0-948749-93-8
http://localhost/t...ganizacniJednotka
  • 21110
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