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Nonlinear shell problem formulation accounting for through-the-thickness stretching and its finite element implementation
ID Ibrahimbegović, Adnan (Avtor), ID Brank, Boštjan (Avtor), ID Korelc, Jože (Avtor)

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PID: 20.500.12556/rul/f0c6b39c-5f8a-4e4b-a00b-7165b77f2695

Izvleček
We discuss a theoretical formulation of shell model accounting for through-the-thickness stretching, which allows for large deformations and direct use of 3d constitutive equations. Three different possibilities for implementing this model within the framework of the finite element method are examined: one leading to 7 nodal parameters and the remaining two to 6 nodal parameters. The 7-parameter shell model with no simplification of kinematic terms is compared to the 7-parameter shell model which exploits usual simplifications of the Green–Lagrange strains. Two different ways of implementing the incompatible mode method for reducing the number of parameters to 6 are presented. One implementation uses an additive decomposition of the strains and the other an additive decomposition of the deformation gradient. Several numerical examples are given to illustrate performance of the shell elements developed herein.

Jezik:Angleški jezik
Ključne besede:shells, finite elements, higher order models, incompatible models
Tipologija:1.06 - Objavljeni znanstveni prispevek na konferenci (vabljeno predavanje)
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:Elsevier
Leto izida:2002
Št. strani:Str. 33-62
Številčenje:80
PID:20.500.12556/RUL-32200 Povezava se odpre v novem oknu
UDK:624.074.4:519.63
ISSN pri članku:0045-7949
COBISS.SI-ID:1793889 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:3041
Število prenosov:988
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Computational structures technology
Založnik:Saxe-Coburg
COBISS.SI-ID:1792609 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:lupine, končni elementi, modeli višjega reda, nekompatibilne oblike

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