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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.2
- 발행연도
- 2019.1
- 수록면
- 181 - 190 (10page)
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초록· 키워드
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Topology optimization of structures seeking the best distribution of mass in a design space to improve the structural performance and reduce the weight of a structure is one of the most comprehensive issues in the field of structural optimization. In addition to structures stiffness as the most common objective function, frequency optimization is of great importance in variety of applications too. In this paper, an efficient multi-objective Bi-directional Evolutionary Structural Optimization (BESO) method is developed for topology optimization of frequency and stiffness in continuum structures simultaneously. A software package including a Matlab code and Abaqus FE solver has been created for the numerical implementation of multi-objective BESO utilizing the weighted function method. At the same time, by considering the weaknesses of the optimized structure in single-objective optimizations for stiffness or frequency problems, slight modifications have been done on the numerical algorithm of developed multi-objective BESO in order to overcome challenges due to artificial localized modes, checker boarding and geometrical symmetry constraint during the progressive iterations of optimization. Numerical results show that the proposed Multiobjective BESO method is efficient and optimal solutions can be obtained for continuum structures based on an existent finite element model of the structures.
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참고문헌 (36)
참고문헌 신청
Thien Thanh Banh / 2018 / Topology optimization for thin plate on elastic foundations by using multi-material / Steel and Composite Structures, An International Journal 27(2):177~184
Martin Philip Bendsøe / 1988 / Generating optimal topologies in structural design using a homogenization method / Computer Methods in Applied Mechanics and Engineering 71(2):197~224
Bendsoe, M. P. / 2003 / Topology Optimization: Theory, Methods and Applications / Springer-Verlag
Mohammed Bennoun / 2015 / A novel five-variable refined plate theory for vibration analysis of functionally graded sandwich plates / Mechanics of Advanced Materials and Structures 23(4):423~431
Fouad Bourada / 2016 / Buckling analysis of isotropic and orthotropic plates using a novel four variable refined plate theory / Steel and Composite Structures, An International Journal 21(6):1287~1306
Martin Philip Bendsøe / 1988 / Generating optimal topologies in structural design using a homogenization method / Computer Methods in Applied Mechanics and Engineering 71(2):197~224
Bendsoe, M. P. / 2003 / Topology Optimization: Theory, Methods and Applications / Springer-Verlag
Mohammed Bennoun / 2015 / A novel five-variable refined plate theory for vibration analysis of functionally graded sandwich plates / Mechanics of Advanced Materials and Structures 23(4):423~431
Fouad Bourada / 2016 / Buckling analysis of isotropic and orthotropic plates using a novel four variable refined plate theory / Steel and Composite Structures, An International Journal 21(6):1287~1306
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