The theoretical and numerical methods of structural design optimization for offshore platforms are studied in this thesis.
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。
In the paper, theoretical mode of revised logarithmic helical curve is discussed carefully, and the methods of calculation and design are also given.
本文对修正对数螺线的理论模型进行了详细的分析，并给出了设计计算的方法。
The finite basis theorem of polyhedron plays an important part in the theoretical research and the algorithm design of optimization methods.
多面体有限基定理在最优化方法的理论研究与算法设计中起一着重要作用。
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