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Beam theory in spline parametric cooridinate. Part I

Teorija štapa u spline parametarskoj koordinati – deo I

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2014
1254.pdf (2.239Mb)
Authors
Radenković, Gligor
Conference object (Published version)
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Abstract
For defining geometry and displacement of arbitrary curved beam in Euclidean E3 space, using simple and rational basis spline, Bernoulli-Euler beam finite element is defined. Because geometry of line structures is exactly presented with rational basis spline and wanted continuity at the common points between adjacent segments is achieved (C>1), the generalized coordinates for izogeometric finite element are only displacements of control points. The stiffness matrix and equivalent control forces of isogeometric Bernoulli-Euler beam elements are defined under assumption that spline parametric coordinate (beam axis) and principal moments of inertia of cross section have convective character.
Source:
Međunarodna konferencija Savremena dostignuća u građevinarstvu 25, 2014, 30, 397-403
Publisher:
  • Građevinski fakultet, Subotica
Note:
  • Zbornik radova Građevinskog fakulteta

DOI: 10.14415/konferencijaGFS2014.054

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URI
http://grafar.grf.bg.ac.rs/handle/123456789/1256
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