CLC number: TH122
On-line Access: 2016-11-03
Received: 2016-02-02
Revision Accepted: 2016-05-19
Crosschecked: 2016-10-20
Cited: 1
Clicked: 5625
Jin Cheng, Ming-yang Tang, Zhen-yu Liu, Jian-rong Tan. Direct reliability-based design optimization of uncertain structures with interval parameters[J]. Journal of Zhejiang University Science A, 2016, 17(11): 841-854.
@article{title="Direct reliability-based design optimization of uncertain structures with interval parameters",
author="Jin Cheng, Ming-yang Tang, Zhen-yu Liu, Jian-rong Tan",
journal="Journal of Zhejiang University Science A",
volume="17",
number="11",
pages="841-854",
year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1600143"
}
%0 Journal Article
%T Direct reliability-based design optimization of uncertain structures with interval parameters
%A Jin Cheng
%A Ming-yang Tang
%A Zhen-yu Liu
%A Jian-rong Tan
%J Journal of Zhejiang University SCIENCE A
%V 17
%N 11
%P 841-854
%@ 1673-565X
%D 2016
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1600143
TY - JOUR
T1 - Direct reliability-based design optimization of uncertain structures with interval parameters
A1 - Jin Cheng
A1 - Ming-yang Tang
A1 - Zhen-yu Liu
A1 - Jian-rong Tan
J0 - Journal of Zhejiang University Science A
VL - 17
IS - 11
SP - 841
EP - 854
%@ 1673-565X
Y1 - 2016
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1600143
Abstract: In order to enhance the reliability of an uncertain structure with interval parameters and reduce its chance of function failure under potentially critical conditions, an interval reliability-based design optimization model is constructed. With the introduction of a unified formula for efficiently computing interval reliability, a new concept of the degree of interval reliability violation (DIRV) and the DIRV-based preferential guidelines are put forward for the direct ranking of various design vectors. A direct interval optimization algorithm integrating a nested genetic algorithm (GA) and the Kriging technique is proposed for solving the interval reliability-based design model, which avoids the complicated model transformation process in indirect ones and yields an interval solution that provides more insights into the optimization problem. The effectiveness of the proposed algorithm is demonstrated by a numeric example. Finally, the proposed direct reliability-based design optimization method is applied to the optimization of a press upper beam with interval uncertain parameters, the results of which demonstrate its feasibility and effectiveness in engineering.
This paper aims to present an interval reliability-based design optimization method for uncertain structures with bounded parameters, which proposed the concept of DIRV and the DIRV-based preferential guidelines, and integrates the GA and Kriging technique for solving the interval reliability-based optimization model. A typical numerical example, as well as an engineering application is applied to demonstrate the effectiveness of the proposed method. This paper is overall well written in language and focused on a very interesting research topic.
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