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1·The arch dam is analyzed by the load distribution-stiffness method.

按拱坝的分载位移法分析拱坝。

2·The dynamic stiffness method is exact for structural free vibration analysis.

在结构自由振动分析中，动力刚度法是一种精确算法。

3·The stiffness method is introduced for its structural computation in this paper.

其结构计算方法有刚度法、柔度法、刚柔结合的混合法。本文着重介绍刚度法。

4·Through calculations it is found that this method is more applicable than the variable stiffness method.

实际计算表明，这个方法比变刚度法有更大的适用性。

5·In the methods of nonlinear analysis, along with the normal variable stiffness methods, the improved BFGS method is used.

非线性分析的方法，除采用一般的变刚度法之外，还采用了改进的BFGS法。

6·In this paper, the stiffness matrix has been obtained by the direct stiffness method, and the mass matrix, by the condensation mass model.

本文采用直接刚度法得到刚度矩阵，用聚缩质量模型得到质量矩阵。

7·An implicit integration elastic stiffness method has been developed for the finite element analysis of rock and soil elastoplastic models.

本文提出了用于岩土弹塑性有限元分析的隐式积分弹性刚度算法。

8·This study develops a new method for solving beam dynamic response based on combining dynamic stiffness method with conventional finite element method.

基于动刚度方法与常规有限元方法提出了一种计算梁动力响应的新方法。

9·The complex stiffness method is adopted to carry out the analysis of surface damping treatment for the support of life winch of a certain typed helicopter.

采用复刚度法对某型直升机救生绞车支架进行表面阻尼处理的分析。

10·A stacking sequence optimization design approach of composite stiffened panel was built up based on equivalent bending stiffness method and Genetic Algorithms (GA).

借助于等效弯曲刚度法和遗传算法，建立了一种复合材料加筋板铺层顺序优化设计算法。