The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complex stiffness of pile.
通过参数影响分析研究发现，成层土中桩顶复刚度主要受上部土层动力特性及性质影响；
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。
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.
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 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。
Using traditional method to solve strength and stiffness problem with drive shaft under complex loads features boring and arduous calculation work.
用传统方法求解有复杂载荷作用的传动轴的强度与刚度，需要十分繁重的计算工作量。
The shoulder has a very complex and unique balance between instability or too loose of a shoulder and stiffness, being too tight.
人体肩膀有个很复杂的结构，能在不稳定状态或肩膀僵硬时保持平衡。
Prestressed concrete elements can improve the crack resistance and stiffness, increase the durability of components, save material, and reduce weight, but the production process are more complex.
构件能提高构件抗裂度和刚度，还能增加构件的耐久性，节约材料，减少自重，但是其制作工艺也较复杂。
Composite bridge deck made from a variety of paving layer materials, due to the nonlinear stiffness characteristics, resulting in the force of composite bridge deck structure complex.
复合桥面铺装由多种材料分层铺筑而成，由于结构刚度的非线性特点，造成复合桥面铺装结构受力复杂。
The stiffness of the connection joint which connect different parts of a complex structure can be extracted by identification method.
由若干部件经一定的连接部件组成的复杂结构系统，其连接部件的连接刚度可通过参数识别的方法来提取。
The model is constructed by a nonlinear combination of dynamic nonlinear stiffness and dynamic nonlinear complex damping mechanisms.
该模型用非线性刚度和非线性复合阻尼机理构造，模型中的参数由试验数据辨识。
Because of complex structure, traditional designing methods can not be used to do intensity analysis, stiffness analysis and stress analysis precisely for solid carbide end mill.
由于整体硬质合金立铣刀形状结构复杂，传统的设计方法无法对刀具进行精确的强度、刚度及应力分析。
The system transition in the construction of long span prestressed concrete bridge is very complex, and the control of the lateral stiffness is one of the key techniques.
大跨度预应力砼连续梁桥施工过程中体系转换复杂，横向刚度控制是施工的关键之一。
Authors built the correlation model between complex stability index and stiffness modulus, and proved the rationality of complex stability index.
通过分析综合稳定指数与力学指标劲度模量之间的相关性，建立了两者之间的关系模型，验证了综合稳定指数的合理性。
Due to the complex structure of crank shaft, its stiffness varies in different angles, which results in the varying forced deformation error.
曲轴的结构复杂，不同角度下的刚度不同，受力变形也不相同。
Base on the practical data, the virtual structure, which has equivalent stiffness, is built by using inverse problem method. It can substitute the complex structure model in practice.
以实测数据为依据，采用反问题解法构造了与实际结构刚度相当的虚拟结构模型，代替了复杂的实际结构模型。
For the combination of external force and moment lord, the parameters of 2R PRBM for the complex loads is obtained by limiting the spring stiffness coefficient.
针对同时受力和力矩的模型，采用限制刚度系数的方法得到了复合载荷形式的2R伪刚体模型参数。
Introducing six degrees of freedom the stiffness matrix of the complex system with arbitrary arrangement of piling is derived.
导出了桩基任意布置的复合体系的刚度矩阵，并按初始条件下的多自由度体系的自振问题进行动力分析。
Introducing six degrees of freedom the stiffness matrix of the complex system with arbitrary arrangement of piling is derived.
导出了桩基任意布置的复合体系的刚度矩阵，并按初始条件下的多自由度体系的自振问题进行动力分析。
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