The radiation damping matrix of the infinite element is derived.
推导了辐射无限元的辐射阻尼矩阵。
The estimations of maximum norm of damping matrix are also considered.
研究了阻尼矩阵的最大模估计。
The proof of its unconditionally stable requires no damping matrix to satisfying the condition of the orthogonality of modes.
法的无条件稳定性的证明，可不要求阻尼矩阵满足振型正交条件。
It is detailed derived from theory analysis to differential equation, and its damping matrix, rigidity matrix and quality matrix are given.
从理论分析到微分方程的建立做了详细的推导，并写出了刚度矩阵、阻尼矩阵和质量矩阵。
The equation has asymmetric mass matrix, asymmetric stiffness matrix and nonclassical damping matrix, and the direct solving format is given in this paper.
针对所得方程为非对称质量、非对称刚度、非经典阻尼的情况，本文给出了使用直接法求解的格式。
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。
Dynamics theory and the "mass-spring-dashpot" system model were used to develop an equilibrium equation. The mass matrix, elasticity matrix and damping matrix were given.
从机械系统动力学理论出发，参照振动系统的“质量弹簧阻尼”模型，分析推导了系统动力学平衡方程，得到了质量矩阵、弹性矩阵及阻尼矩阵的具体表达式。
Based on the story model of spatial member, the supplemental damping matrix, dynamic balance equation and relative energy balance equation of structures with viscous dampers are derived.
基于结构空间杆系-层模型，推导了粘滞阻尼器减震结构的附加阻尼矩阵、动力平衡方程和相对能量方程。
When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.
当结构在静水中振动时，如采用流体有限元来计算流体的附加质量和附加阻尼，势必导致解题规模过大。
Since the damping matrix in the motion equation of damped blade is no longer decoupled as Rayleigh damping, so the complex mode theory is introduced in this paper to overcome the difficulty.
由于带阻尼围带或凸肩叶片(以下简称阻尼叶片)的运动方程中的阻尼矩阵是非解耦的矩阵，只有引入复模态理论才能圆满解决其特征问题的求解。
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.
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。
Non-classical systems mean that the mass, damping and stiffness matrix in non-classical system may be asymmetric matrices.
非经典系统指在最一般的场合，这类系统的质量、阻尼和刚度矩阵都无对称或反对称性可言。
A new test signal method based approach to design power oscillation damping (POD) controller for TCSC is proposed, by which the bulky eigenvalue calculation of state matrix can be avoided.
提出了一种基于测试信号法的TCSC功率振荡阻尼(POD)控制器的设计方法，避免了计算量庞大的状态矩阵特征值计算。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
A mathematical model of damping spacer damper is established, then the impedance matrix and energy consuming formulae of spacer dampers are derived.
建立了阻尼间隔棒的数学模型，给出了间隔棒的阻抗矩阵和耗能计算公式。
BERMAN updating arithmetic makes use of experimental model matrix and eigenvalue to modify the finite element academic model, based on the model orthographical condition of non-damping system.
BERMAN修正方法基于无阻尼系统的模态正交条件，利用实验模态矩阵和特征值对有限元理论模型进行修正。
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.
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。
Cast metallic matrix self-lubricating composites, which possess excellent antifriction, wear resistance, damping capacity, etc., have been investigated extensively.
铸造金属基自润滑复合材料具有良好的减摩、耐磨与减震性能，因而人们正在进行广泛的研究。
The translational transfer matrix T, the rotational transfer matrix R and TR matrix are used to describe multi-stages isolation system's kinetic energy, potential energy and damping dissipated energy.
在推导中使用平移变换矩阵T和旋转变换矩阵R以及用TR矩阵的形式描述了多层隔振系统的动能表达式、势能表达式及耗散能表达式。
And it was also found the annealing treatment and the heat recycling treatment could improve the damping capacity of magnesium matrix composite.
镁基复合材料的阻尼性能与其状态关系密切，退火处理和热循环处理提高了复合材料的阻尼性能。
Through experiment, rational joint technology was defined and matrix of diamond saw blade with noise damping was prepared.
试验出合理的基体连接工艺，并成功地制备出具有消音功能的金刚石锯片的基体。
Through experiment, rational joint technology was defined and matrix of diamond saw blade with noise damping was prepared.
试验出合理的基体连接工艺，并成功地制备出具有消音功能的金刚石锯片的基体。
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