CLC number: O32
On-line Access: 2007-12-14
Received: 2007-06-07
Revision Accepted: 2007-09-11
Crosschecked: 0000-00-00
Cited: 3
Clicked: 6689
Giuseppe Carlo MARANO. Reliability based multiobjective optimization for design of structures subject to random vibrations[J]. Journal of Zhejiang University Science A, 2008, 9(1): 15-25.
@article{title="Reliability based multiobjective optimization for design of structures subject to random vibrations",
author="Giuseppe Carlo MARANO",
journal="Journal of Zhejiang University Science A",
volume="9",
number="1",
pages="15-25",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A072128"
}
%0 Journal Article
%T Reliability based multiobjective optimization for design of structures subject to random vibrations
%A Giuseppe Carlo MARANO
%J Journal of Zhejiang University SCIENCE A
%V 9
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%P 15-25
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A072128
TY - JOUR
T1 - Reliability based multiobjective optimization for design of structures subject to random vibrations
A1 - Giuseppe Carlo MARANO
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 1
SP - 15
EP - 25
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A072128
Abstract: Based on a multiobjective approach whose objective function (OF) vector collects stochastic reliability performance and structural cost indices, a structural optimization criterion for mechanical systems subject to random vibrations is presented for supporting engineer’s design. This criterion differs from the most commonly used conventional optimum design criterion for random vibrating structure, which is based on minimizing displacement or acceleration variance of main structure responses, without considering explicitly required performances against failure. The proposed criterion can properly take into account the design-reliability required performances, and it becomes a more efficient support for structural engineering decision making. The multiobjective optimum (MOO) design of a tuned mass damper (TMD) has been developed in a typical seismic design problem, to control structural vibration induced on a multi-storey building structure excited by nonstationary base acceleration random process. A numerical example for a three-storey building is developed and a sensitivity analysis is carried out. The results are shown in a useful manner for TMD design decision support.
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