An improved simplex method (ISM) based on Nelder and Meads simplex method (N-M SM) is presented for unconstrained function optimization.

针对无约束函数最优化问题，提出了一种能有效加快收敛速度的改进单纯形算法。

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The mentioned method is applied to design of pulley block compensation in luffing mechan ism and the results show that the method is feasible and effective.

在滑轮组补偿变幅机构稳健优化设计中加以运用，结果表明该方法是有效的和可行的。

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This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).

本文针对基于有限元分析的拱坝体形优化，采用改进的半解析法进行三维敏度分析。

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This paper studies 3-d sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM).

本文针对基于有限元分析的拱坝体形优化，采用改进的半解析法进行三维敏度分析。

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