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Reliability-Based Optimum Design of a Simple Offshore Platform Based on Genetic Algorithms |
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| Authors: | Zhang Lianying Hu Yunchang and Li Xiangjing Doctor Lecturer Dept of Ocean Engineering and Naval Architecture Tianjin University Tianjin Professor Dept of Ocean Engineering and Naval Architecture Tianjin University Tianjin Master Dept of Ocean Engineering and Naval Architecture Tianjin University Tianjin |
| Institution: | Zhang Lianying,Hu Yunchang and Li Xiangjing Doctor,Lecturer,Dept. of Ocean Engineering and Naval Architecture,Tianjin University,Tianjin 300072 Professor,Dept. of Ocean Engineering and Naval Architecture,Tianjin University,Tianjin 300072 Master,Dept. of Ocean Engineering and Naval Architecture,Tianjin University,Tianjin 300072 |
| Abstract: | In this paper, the problem of reliability-based optimal design of simple offshore platform is studied, and a nonlinear fatigue damage model based on damage mechanics and genetic algorithms are used in the fatigue reliability optimum design of the structure under stochastic wave load. The fatigue damage model and the yield failure reliability analyzing model are used in the paper. The reliability of the models and the effectiveness of genetic algorithm are shown by the results of optimum design. |
| Keywords: | damage mechanics genetic algorithms reliability-based optimum design fatigue reliability |
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