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One possible way of geometrical nonlinear tasks solution

Jedan mogući način rešavanja geometrijski nelinearnih zadataka

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2006
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Authors
Radenković, Gligor
Article (Published version)
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Abstract
Assuming convected coordinate frame, strain components are expressed as a average value of a infinitesimal deformations of the unperformed and deformed configurations. From the equilibrium momentum balance equation, using standard finite element procedure, the geometrical nonlinear solution is obtained as a average sum of the linear solutions of the original and finite configurations.
Usvajanjem Lagrangeovog konvektivno koordinatnog sistema komponente tenzora konačne deformacije izražene su kao poluzbir infinitezimalnih deformacija početnog i deformisanog referentnog položaja. Imajući ovo na umu i jednačinu momentog balansa energije, ukupno rešenje geometrijski nelinearnog zadatka dobijamo kao poluzbir linearnih rešenja iz oba referentna položaja.
Keywords:
convected coordinate / strain tensor / geometrical nonlinearity / finite element / konvektivna koordinata / tenzor deformacije / geometrijska nelinearnost / konačni element
Source:
Izgradnja, 2006, 60, 1-2, 29-32
Publisher:
  • Udruženje inženjera građevinarstva, geotehnike, arhitekture i urbanista "Izgradnja", Beograd

ISSN: 0350-5421

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http://grafar.grf.bg.ac.rs/handle/123456789/136
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