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Građevinski materijali i konstrukcije
2016, vol. 59, iss. 2, pp. 3-13
article language: Serbian, English
document type: Review Paper
published on: 04/07/2016
doi: 10.5937/grmk1602003K
Creative Commons License 4.0
Fiber element formulation for inelastic frame analysis
University of Belgrade, Faculty of Civil Engineering

e-mail: svetlana@grf.bg.ac.rs, biljads@eunet.rs

Project

Towards development of sustainable cities: influence of traffic induced vibrations on buildings and humans (MESTD - 36046)

Abstract

The paper discusses two formulations for the fiber based distributed plasticity beam/column element. For force based and displacement based formulations, basic details and main differences are emphasized. The differences in results of analysis when elements with these two formulations are used are demonstrated on two numerical examples. The first example involves the nonlinear static pushover analysis of low-rise frame with distributed element loading. The second example is nonlinear time history analysis of two-story frame subjected to earthquake loading. The differences in global and local response depending on the used finite element discretization are shown. In conclusion, the advantages of force based formulation and directions for the use of the two elements are summarized.

Keywords

fiber based beam/column element; distributed plasticity; force formulation; displacement formulation

References

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