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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.70 No.1
- 발행연도
- 2019.1
- 수록면
- 81 - 96 (16page)
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초록· 키워드
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In this paper, a hybrid uncertain model is applied to system reliability based design optimization (RBDO) of trusses. All random variables are described by random distributions but some key distribution parameters of them which lack information are defined by variation intervals. For system RBDO of trusses, the first order reliability method, as well as monotonicity analysis and the branch and bound method, are utilized to determine the system failure probability; and Improved (μ + λ) constrained differential evolution (ICDE) is employed for the optimization process. System reliability assessment of several numerical examples and system RBDO of different truss structures are proposed to verify our results. Moreover, the effect of different classes of interval distribution parameters on the optimum weight of the structure and the reliability index are also investigated. The results indicate that the weight of the structure is increased by increasing the uncertainty level. Moreover, it is shown that for a certain random variable, the optimum weight is more increased by the translation interval parameters than the rotation ones.
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참고문헌 (52)
참고문헌 신청
Ang, A. H. / 2007 / Probability Concepts in Engineering: Emphasis on Applications to Civil and Environmental Engineering / John Wiley & Sons
Ben-Haim, Y. / 1990 / Convex Models of Uncertainty in Applied Mechanics / Academic Press, Elsevier
Chakri, A. / 2016 / Improved bat algorithm for structural reliability assessment : Application and challenges / Multidiscipl. Model. Mater. Struct 12(2):218~253
Cheng, G. / 2006 / A sequential approximate programming strategy for reliability-based structural optimization / Comput. Struct 84(21):1353~1367
Dimou, C. K. / 2003 / Competitive genetic algorithms with application to reliability optimal design / Adv. Eng. Softw. 34(11-12):773~785
Ben-Haim, Y. / 1990 / Convex Models of Uncertainty in Applied Mechanics / Academic Press, Elsevier
Chakri, A. / 2016 / Improved bat algorithm for structural reliability assessment : Application and challenges / Multidiscipl. Model. Mater. Struct 12(2):218~253
Cheng, G. / 2006 / A sequential approximate programming strategy for reliability-based structural optimization / Comput. Struct 84(21):1353~1367
Dimou, C. K. / 2003 / Competitive genetic algorithms with application to reliability optimal design / Adv. Eng. Softw. 34(11-12):773~785
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