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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.80 No.1
- 발행연도
- 2021.10
- 수록면
- 27 - 36 (10page)
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초록· 키워드
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Shell bridges have attracted extensive interest in engineering research and practice. This paper aims to evaluate the effects of longitudinal and transverse curvatures on the optimal design of the shell bridge. For this purpose, a slant-legged steel shell footbridge with the same initial and target volumes of steel was chosen to build parametric geometric models with different curvature radii, and then topology optimization was carried out using the bi-directional evolutionary structural optimization (BESO) technique to obtain optimized designs with high structural stiffness. Furthermore, linear static analysis and eigenvalue analysis demonstrate that the displacement, von Mises effective stress, and the first-order vertical vibration frequency satisfied all the requirements of design regulations. Numerical results indicate that not only the longitudinal curvature but also the transverse curvature have a significant effect on the optimized designs of steel shell footbridge. While the mean compliance increased with the transverse curvature radius, it first decreased and then increased with the longitudinal curvature radius.
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참고문헌 (63)
참고문헌 신청
Ansola, R. / 2002 / An integrated approach for shape and topology optimization of shell structures / Comput. Struct. 80(5-6):449~458
Musa Artar / 2017 / Optimum design of steel bridges including corrosion effect using TLBO / Structural Engineering and Mechanics, An Int＇l Journal 63(5):607~615
Musa Artar / 2019 / Optimum design of steel space truss towers under seismic effect using Jaya algorithm / Structural Engineering and Mechanics, An Int＇l Journal 71(1):1~12
Avetisyan, Z. / 2021 / Rigidity of a thin domain depends on the curvature, width, and boundary conditions / Appl. Math. Optim. 0:1~26
Aydogdu, I. / 2014 / Optimum design of geodesic aluminum domes using firefly algorithm / Proceedings of the ACE 2014 11th International Congress on Advances in Civil Engineering
Musa Artar / 2017 / Optimum design of steel bridges including corrosion effect using TLBO / Structural Engineering and Mechanics, An Int＇l Journal 63(5):607~615
Musa Artar / 2019 / Optimum design of steel space truss towers under seismic effect using Jaya algorithm / Structural Engineering and Mechanics, An Int＇l Journal 71(1):1~12
Avetisyan, Z. / 2021 / Rigidity of a thin domain depends on the curvature, width, and boundary conditions / Appl. Math. Optim. 0:1~26
Aydogdu, I. / 2014 / Optimum design of geodesic aluminum domes using firefly algorithm / Proceedings of the ACE 2014 11th International Congress on Advances in Civil Engineering
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