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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 263 - 271 (9page)
이용수
초록· 키워드
오류제보하기
In this study, we performed a three-dimensional (3D) topology optimization of a fixed offshore structure to enhance its structural stiffness. The proposed topology optimization is based on the solid isotropic material with penalization (SIMP) method, where a volume constraint is applied to utilize an equivalent amount of material as that used for the rule-based scantling design. To investigate the effects of the main legs of the fixed offshore structure on its structural stiffness, the leg region is selectively considered in the design domain of the topology optimization problem. The obtained optimal designs and the rule-based scantling design of the structure are manufactured by 3D metal printing technology to experimentally validate the topology optimization. The behaviors under compressive loading of the obtained optimal designs are compared with those of the rule-based scantling design using a universal testing machine (UTM). Based on the structural experiments, we concluded that by employing the topology optimization method, the structural stiffness of the structure was enhanced compared to that of the rule-based scantling design for an equal amount of the fabrication material. Furthermore, by effectively combining the topology optimization and rule-based scantling methods, we succeeded in enhancing the structural stiffness and improving the breaking load of the fixed offshore structure.
목차
ABSTRACT
1. Introduction
2. Optimal Design of Fixed Offshore Structure
3. Experimental Validation of Topology Optimization of Fixed Offshore Structure
4. Conclusion
References
참고문헌 (10)
참고문헌 신청
American Petroleum Institute. (2002). API Recommended Practice 2A-WSD. Washington, D.C.: API Publishing Service.
American Institute of Steel Construction. (2016). The 2016 AISC Code of Standard Practice for Steel Buildings and Bridges (ANSI/AISC 303-16). Chicago, Illinois: AISC.
Bendsoe, M.P., & Kikuchi, N. (1988). Generating Optimal Topologies in Structural Design using a Homogenization Method. Computer Methods in Applied Mechanics and Engineering, 71(2), 197-224. http://dx.doi.org/10.1016/0045-7825(88)90086-2
Bendsoe, M.P. (1995). Optimization of Structural Topology, Shape, and Material. Heidelberg, Berlin: Springer. https://doi.org/10.1007/978-3-662-03115-5
Kim, D., Lee, K., Kim, B.W., Park, B., & Kim, H.-S. (2018). Jacket Design and Structural Strength Evaluation of Fixed Offshore Platform. Proceedings of The Korean Association of Ocean Science and Technology Societies Joint Conference, Jeju, Korea, 307-311.
American Institute of Steel Construction. (2016). The 2016 AISC Code of Standard Practice for Steel Buildings and Bridges (ANSI/AISC 303-16). Chicago, Illinois: AISC.
Bendsoe, M.P., & Kikuchi, N. (1988). Generating Optimal Topologies in Structural Design using a Homogenization Method. Computer Methods in Applied Mechanics and Engineering, 71(2), 197-224. http://dx.doi.org/10.1016/0045-7825(88)90086-2
Bendsoe, M.P. (1995). Optimization of Structural Topology, Shape, and Material. Heidelberg, Berlin: Springer. https://doi.org/10.1007/978-3-662-03115-5
Kim, D., Lee, K., Kim, B.W., Park, B., & Kim, H.-S. (2018). Jacket Design and Structural Strength Evaluation of Fixed Offshore Platform. Proceedings of The Korean Association of Ocean Science and Technology Societies Joint Conference, Jeju, Korea, 307-311.
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