本文主要研究了导管架海洋平台结构系统优化设计的理论与数值计算方法。
The theoretical and numerical methods of structural design optimization for offshore platforms are studied in this thesis.
考虑约束条件边界的模糊性，建立了导管架海洋平台结构模糊优化设计模型。
The model of structural fuzzy optimum design of offshore jacket platforms is established considering the fuzziness of constrained boundary condition.
把导管架海洋平台看作钢框架结构，并把多目标优化设计方法用于结构的设计中。
A multi objective design is proposed by assuming the jacket platform as a steel frame structure.
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