利用土层和半空间的精确动力刚度矩阵，在频域内求解并分析了弹性半空间场地对P波的放大效应。
The dynamic stiffness matrix of the media and the formula of their response to P-SV waves are derived.
介绍了悬挂结构特点，利用奇异函数方法建立了悬挂框剪结构的侧移刚度矩阵和动力方程。
The properties of suspended structure are introduced and the singular function method is used to derive the lateral displacement stiffness matrix and the dynamic equations.
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。
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.
为建立机车各部件的垂向动力学微分方程，计算各悬挂力的输出响应，建立了系统质量、阻尼和刚度的增广矩阵。
Augmented mass, damping, stiffness matrix of system was set up to derive vertical dynamic differential equations for locomotive components and obtain output responses of suspensions.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
采用动力文克尔地基梁模型，推导了层状介质中桩单元的形函数矩阵和单元刚度矩阵。
The shape function matrices and the element stiffness matrices of the pile elements in layered media are derived by adopting the Beam - On - Dynamic - Winkler - Foundation model.
在拟动力试验方面，指出了联机试验中初始刚度矩阵的影响因素，建立了模型质量矩阵的等效方法。
In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model.
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.
讨论了大跨度斜拉桥动力分析中质量矩阵、刚度矩阵和阻尼矩阵的处理方法以及斜拉桥动力分析模型的建立方法。
The treatment of mass matrix, the stiff matrix, the damp matrix and the dynamic model of cable-stayed Bridges in the analysis concluded in this research.
应用高精度的六节点三角形单元进行单元划分，建立复合夹层板的刚度矩阵、质量矩阵并推导有限元动力学方程。
Elements by the highly-accuracy six-node triangular element are divided. Stiffness matrix and mass matrix of sandwich panel are established and then deduced dynamical equations of finite elements.
应用高精度的六节点三角形单元进行单元划分，建立复合夹层板的刚度矩阵、质量矩阵并推导有限元动力学方程。
Elements by the highly-accuracy six-node triangular element are divided. Stiffness matrix and mass matrix of sandwich panel are established and then deduced dynamical equations of finite elements.
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