结合工程实例，采用该模型计算了桩基的自振频率，分析了弹簧等效刚度的变化对模型自振频率的影响。
Meanwhile, the natural frequency was calculated using this method in an example, and the natural frequency affected by the change of equivalent spring stiffness was also analyzed.
提出了两种计算在均布荷载作用下平面支撑框架等效刚度的方法。
Propose tow methods of computing the equivalent support stiffness under uniform loading.
刚度等效方法可以用于其它多层薄壁壳体的计算。
The calculating results show that the method of stiffness equivalence can be used for the calculation of three-layer thin shells.
空间协同分析时，采用超元法（每个单元由多根杆组成）计算等效柱的侧移刚度矩阵，自由度成倍减少。
The method is applied to calculate lateral stiffness matrix in space cooperating analysis and the the degree of freedom can be greatly decreased.
有限元分析结果表明，保温砌模混凝土墙的抗侧刚度可用厚度为其三分之二的等效实体墙计算或用小开口整体墙计算。
Finite element analysis shows that the lateral stiffness of the concrete grill wa ll can be calculated by an equivalent solid shear wall with the thickness of two third of the original wall thickness.
根据刚度等效的原则，将井管整体进行稳定性分析，并得到井管整体稳定性临界荷载的理论计算公式。
According to the principle of equivalent stiffness, we analyze the stability of the whole pipe, and thereby get a theory formula of the critical load of the whole pipe.
研究了将铅挤压阻尼装置等效成阻尼比和刚度系数的方法，建立了消能装置的通用等效计算公式；
The equivalent damping ratio and stiffness coefficient of the LED device are studied, and the general equivalent formula of energy dissipation devices is established.
按线性基础计算的动力响应大于非线性基础的响应，因此采用等效线性基础刚度计算动力响应是可行的。
The dynamic response of linear simulation is greater than that of non-linear simulation , so the dynamic response could be determined based on equivalent linear foundation stiffness.
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.
抗扭构件的刚度计算公式可应用于钢筋混凝土平板-异形柱板柱结构体系的等效柱理论分析。
The theory expression of transverse torsion member can be applied to equivalent column method to analyze the behavior of reinforced concrete flat plate-special-shaped column structural system.
以满足刚度等效为条件，求得一个能方便算出多种截面的可供选用的传动轴计算公式。
Based on the condition that the strength equivalent to the stiffness required to met, one equation to calculate the power convey shaft with several different section areas was derived in this article.
在整机建模的过程中，利用吉村允孝积分法计算出各个结合面的等效刚度及阻尼。
In the process of modeling, equivalent stiffness and damping of combine surface was calculated by Takashi Yoshimura integration method.
推导同时考虑弯曲变形和剪切变形时的群桩刚度矩阵，采用分别计算各子结构阻尼的方式来考虑整个结构的阻尼，并采用等效线性化原理来考虑土体的非线性。
Stiffness matrix of the piles was given, including bending and shear deformation effects. The damping of the entire structure was calculated using the damping of each of the sub-structures.
建立了带附加气室空气弹簧系统的动力学方程，经过线性化处理后推导出系统的复刚度模型，依照复刚度模型建立了系统的等效刚度、等效阻尼及固有频率的计算模型。
The dynamics equations of air spring system with auxiliary chamber were established, and the complex stiffness model of the system was deduced according to the equations being linearly processed.
重点分析了进给系统的稳定性，计算出进给系统的等效刚度和临界爬行速度，给出了采用贴塑导轨的原因。
The stability of feed system was analysed importantly, equivalent rigidity and critical creeping speed of XH715 feed system was calculated, the cause of using paste to mould rail was put forward.
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。
A stacking sequence optimization design approach of composite stiffened panel was built up based on equivalent bending stiffness method and Genetic Algorithms (GA).
为此，本文基于刚度等效的原则，提出了一种带缝钢板剪力墙与人字形中心支撑的刚度替换计算方法。
The different sizes of 6 kinds of steel shear walls convers 6 kinds of concentrically braces by the sectional area equivalent formula.
为此，本文基于刚度等效的原则，提出了一种带缝钢板剪力墙与人字形中心支撑的刚度替换计算方法。
The different sizes of 6 kinds of steel shear walls convers 6 kinds of concentrically braces by the sectional area equivalent formula.
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