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。
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。
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。
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。
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。
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。
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。
The stiffness of the elements in transition state is modified by the synthetical stiffness method and the calculation can thus be relieved from the precise division of the time steps.
利用综合刚度法对处在过渡状态的单元刚度进行修正。从而避免了对时间步长的精确细分。
The reduced bending stiffness method is extended to laminates with different moduli in tension and compression, and a new approximate method-twice-approximate method is presented in this paper.
本文把缩减弯曲刚度法推广应用于具有不同拉压模数的层板，并且提出了一种求解具有不同拉压模数的层板问题的新的近似方法——二次近似法。
Equivalent stiffness method proposed by the authors is used to calculate free-vibration of thin high bridge piers, then the result of calculation is analyzed and compared with that of FEA method.
推导出薄壁高桥墩自振频率的计算公式，并将该公式计算结果与有限单元法计算值进行了分析与比较。
Equivalent stiffness method proposed by the authors is used to calculate free-vibration of thin high bridge piers, then the result of calculation is analyzed and compared with that of FEA method.
推导出薄壁高桥墩自振频率的计算公式，并将该公式计算结果与有限单元法计算值进行了分析与比较。
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