Publication result detail

Sensitivity Analysis of Stability Problems of Steel Columns using Shell Finite Elements and Nonlinear Computation Methods

KALA, Z.; KALA, J.

Original Title

Sensitivity Analysis of Stability Problems of Steel Columns using Shell Finite Elements and Nonlinear Computation Methods

English Title

Sensitivity Analysis of Stability Problems of Steel Columns using Shell Finite Elements and Nonlinear Computation Methods

Type

Paper in proceedings (conference paper)

Original Abstract

The paper analyzes the influence of initial imperfections on the load-carrying capacity of a slender strut, applying the ANSYS programme. The geometrical and material nonlinear finite element method was applied for the theoretical analysis. Modelling of the steel structure was performed using SHELL elements. The effect of input imperfections on the load-carrying capacity is evaluated by Sobol sensitivity analysis. The computation model elaborated is unique with regard to its numerically demanding character. The Latin Hypercube Sampling method was applied for the evaluation of sensitivity indices.

English abstract

The paper analyzes the influence of initial imperfections on the load-carrying capacity of a slender strut, applying the ANSYS programme. The geometrical and material nonlinear finite element method was applied for the theoretical analysis. Modelling of the steel structure was performed using SHELL elements. The effect of input imperfections on the load-carrying capacity is evaluated by Sobol sensitivity analysis. The computation model elaborated is unique with regard to its numerically demanding character. The Latin Hypercube Sampling method was applied for the evaluation of sensitivity indices.

Keywords

Sensitivity analysis, shell elements, steel, stability, buckling

Key words in English

Sensitivity analysis, shell elements, steel, stability, buckling

Authors

KALA, Z.; KALA, J.

RIV year

2012

Released

09.05.2011

Location

Svratka

ISBN

978-80-87012-33-8

Book

Engineering mechanics 2011, 17th International Conference

Pages from

271

Pages to

274

Pages count

4

BibTex

@inproceedings{BUT89896,
  author="Zdeněk {Kala} and Jiří {Kala}",
  title="Sensitivity Analysis of Stability Problems of Steel Columns using Shell Finite Elements and Nonlinear Computation Methods",
  booktitle="Engineering mechanics 2011, 17th International Conference",
  year="2011",
  pages="271--274",
  address="Svratka",
  isbn="978-80-87012-33-8"
}