The arch dam is analyzed by the load distribution-stiffness method.
按拱坝的分载位移法分析拱坝。
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。
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。
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 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。
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。
This method can be used in other shear stiffness calculations for straight line truss.
所述分析方法可推广到其它直线桁梁的抗剪刚度的计算。
Method for computing the element restoring force, rather than the stiffness matrix, is the most important factor that determines the accuracy of a geometric nonlinear finite element problem.
几何非线性单元的精度主要决定于单元恢复力的计算方法，刚度矩阵对单元精度的影响很小。
In this paper, a method for shifting the natural frequency of a structure to a desired value by modifying the local stiffness and mass parameters is proposed.
本文对修改结构局部刚度和质量参数，从而使其具有给定固有频率的动力修改问题提出了一种求解方法。
A-operator method (AOM) is used to study the influence of the speed ratio and time varying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)得到了系统的近似解析解，并研究了传动比和时变啮合刚度对拍击门槛转速的影响。
Because bearing stiffness have an effect on interface rotation speed, so the original only introduced computational method of bearing stiffness.
因支承刚度对转轴临界转速有影响，故仅介绍支承刚度的计算方法。
Tested the joint stiffness based on "deflection method", and analyzed the factors that affect joint stiffness according to the test results.
基于“挠度法”，对节点刚度进行了测试。根据测试结果，分析了影响节点刚性的各种因素。
The paper introduced the theoretical model of "method of reinforced stiffness through cross rib" firstly, which the excellent structural capability of reinforced concrete cast-in.
首先介绍了现浇空心板截面“横肋附加刚度法”理论计算模型，进而实现在进行结构设计计算时，采用该模型，充分发挥现浇空心板截面刚度大的优良结构性能。
This method is available for beams of both constant stiffness and variable stiffness subjected to any transverse loadings.
这种方法可用于承受任意荷载的等刚度和变刚度梁。
The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.
把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
The stiffness matrix corrected by the method not only satisfies the characteristic equation, but also is the unique symmetric positive semidefinite matrix.
用这个方法修正的刚度矩阵不仅满足特征方程，而且是唯一的对称半正定矩阵。
This paper presents a new method, the equivalent dynamic stiffness factor method, in dynamic balancing rotors.
用一种新的方法—等效动刚度系数法对转子的动平衡进行了研究。
It presents the method of "stiffness similarity", which has solved the design problem of model with difference of elastic modulus ratio in different parts between model and practicality.
提出了“刚度相似”的方法，有效地解决了模型与实型各部分结构弹性模量相似比不一致的模型设计问题。
We applied this method to the stiffness measurement of flexible parts, and located the displacement with the help of laser interferometer.
此微位移检测方法已用于弹性元件刚度测量仪中，并采用激光干涉仪进行标定。
In this paper, the dynamic stiffness matrix method is used to predict the vibration of the crankshaft system and to calculate the input exciting force from the crankshaft to the slide rod.
在曲轴系统的振动预测中应用动刚度矩阵法，计算从曲轴向滑块的激振力输入，建立了动力传动装置全系统的有限元模型，并采用该模型进行了振动的预测计算。
Then, an equivalent linearization method is applied to get its linearized stiffness matrix. The estimating method for the equivalent fundamental frequency of the membrane is deduced.
应用等效线性化方法得到方程组的线性化刚度矩阵，给出了结构等效一阶频率的计算方法；
Then, an equivalent linearization method is applied to get its linearized stiffness matrix. The estimating method for the equivalent fundamental frequency of the membrane is deduced.
应用等效线性化方法得到方程组的线性化刚度矩阵，给出了结构等效一阶频率的计算方法；
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