The main purpose of this work is to verify the influence of the weighting procedure in the Least Squares Method on the probabilistic moments resulting from the stability analysis of steel skeletal structures. We discuss this issue also in the context of the geometrical nonlinearity appearing in the Stochastic Finite Element Method equations for the stability analysis and preservation of the Gaussian probability density function employed to model the Young modulus of a structural steel in this problem. ; The weighting procedure itself (with both triangular and Dirac-type) shows rather marginal influence on all probabilistic coefficients under consideration. This hybrid stochastic computational technique consisting of the FEM and computer algebra systems (ROBOT and MAPLE packages) may be used for analogous nonlinear analyses in structural reliability assessment.
Zielona Góra: Uniwersytet Zielonogórski
IJAME, volume 20, number 2 (2015)
Biblioteka Uniwersytetu Zielonogórskiego
Jul 6, 2023
Apr 12, 2023
69
https://zbc.uz.zgora.pl/publication/80786
Edition name | Date |
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The least squares stochastic finite element method in structural stability analysis of steel skeletal structures | Jul 6, 2023 |
Szafran, Jacek Kamiński, Marcin Jurczak, Paweł - red.
Bredow, Rafał Kamiński, Marcin Jurczak, Paweł - red.
Pakusiński, Bartłomiej Kamiński, Marcin Jurczak, Paweł - red.
Świta, Piotr Kamiński, Marcin Jurczak, Paweł - red.
Szafran, Jacek Juszczyk-Andraszyk, Klaudia Kamiński, Marcin Jurczak, Paweł - red.
Kamiński, Marcin Iacono, Mauro - ed. Kołodziej, Joanna - ed.
Kamiński, Marcin Supeł, Łukasz Jurczak, Paweł - red.
Sokołowski, Damian Kamiński, Marcin Jurczak, Paweł - red.