izpis_h1_title_alt

A kinematically exact finite element formulation of elastic-plastic curved beams
ID Saje, Miran (Avtor), ID Turk, Goran (Avtor), ID Kalagasidu, A. (Avtor), ID Vratanar, Blaž (Avtor)

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MD5: B18E0FE75448E22ECB79615AE567A2B0
PID: 20.500.12556/rul/09c80c04-c2ab-4ca7-8ce3-a04ffd7f7bfa

Izvleček
A finite element, large displacement formulaton of static elastic-plastic analysis of slender arbitrarily curved planar beams is presented. Non-conservative and dynamic loads are at present not included. The Bernoulli hypothesis of plane cross--sections is assumed and the effect of shear strainsis neglected. Exact non-linear kinematic equations of curved beams, derived by Reissner are incorporated into a generalized principle of virtual work through Lagrangian multipliers. The only function that has to be interpolated in the finite element implementation is the rotation of the centroid axis of a beam. This is an important advantage over other classical displacement approaches since the field consistency problem and related locking phenomena do not arise. Numerical examples, comprising elastic and elastic-plastic, curved and straight beams, at large displacements and rotations, show very nice computational and accuracy characteristics of the present family of finite elements. The comparisons with other published results very clearly show the superior performance of the present elements

Jezik:Angleški jezik
Ključne besede:curved beam, plasticity, finite elements
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Založnik:Elsevier
Leto izida:1998
Št. strani:Str. 197-214
Številčenje:Vol. 67, No. 4
PID:20.500.12556/RUL-32126 Povezava se odpre v novem oknu
UDK:539.3:624.072.33
ISSN pri članku:0045-7949
DOI:10.1016/S0045-7949(98)00046-7 Povezava se odpre v novem oknu
COBISS.SI-ID:406625 Povezava se odpre v novem oknu
Datum objave v RUL:10.07.2015
Število ogledov:2950
Število prenosov:1052
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Gradivo je del revije

Naslov:Computers & Structures
Skrajšan naslov:Comput. struct.
Založnik:Elsevier
ISSN:0045-7949
COBISS.SI-ID:4419338 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:ukrivljeni nosilci, plastičnost, končni elementi

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