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Stability analysis of steel space frames under large displacement (CROSBI ID 494928)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Mihanović, Ante ; Trogrlić, Boris ; Akmadžić, Vlaho Stability analysis of steel space frames under large displacement // Proceedins of 4th International Congress of Croatian Society of Mechanics / Matejiček, Franjo (ur.). Zagreb: Hrvatsko društvo za mehaniku (HDM), 2003

Podaci o odgovornosti

Mihanović, Ante ; Trogrlić, Boris ; Akmadžić, Vlaho

engleski

Stability analysis of steel space frames under large displacement

The incremental application of the small displacement theory is a typical solution for the large displacement problems. Updating of the configuration and load is mean differences between small and large displacement approach. One new approach of load and internal forces updating called null configuration is presented in this paper. The tangent method is necessary to apply this approach. Space frames consists of beams and columns. Each of them is discretized by straight 1D finite element (FE). Updating the large translation displacements in the incremental procedure follows from simple summarising of their vectors from the increment to increment. Updating the large rotations is simplified to rotations of the rigid body. This assumption will be acceptable if the FE length is sufficiently small and the internal forces and hence the stresses within FE are expressed within small displacement of each increment.

space frames; large displacement; null configuration; comparative body

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Podaci o prilogu

2003.

objavljeno

Podaci o matičnoj publikaciji

Proceedins of 4th International Congress of Croatian Society of Mechanics

Matejiček, Franjo

Zagreb: Hrvatsko društvo za mehaniku (HDM)

Podaci o skupu

4th International Congress of Croatian Society of Mechanics

poster

18.10.2003-20.10.2003

Bizovac, Hrvatska

Povezanost rada

Građevinarstvo