mass matrix
英 [mæs ˈmeɪtrɪks]
美 [mæs ˈmeɪtrɪks]
网络 质量矩阵; 质量阵
双语例句
- Combined with the element consistent mass matrix in finite element dynamic analysis, the concept of hidden infinitely stiff and relative inertial coupling is presented.
除显含无限刚性段的振动体系外，结合动力问题有限单元法中的一致质量矩阵提出了隐性无限刚性的概念，以及由此引起的振动惯性耦合问题。 - The lumped mass matrix is a diagonal matrix.
集中质量阵是一个对用阵。 - An Approximated Method for Calculating Residual Mass Matrix and Residual Stiffness Matrix
剩余质量阵和剩余刚度阵的近似计算方法 - Matrix perturbation methods and inverse problem on the structure dynamics part ⅰ: mass matrix modification
结构动力学特性修改的矩阵摄动方法与反问题&Ⅰ：质量矩阵摄动 - By revising the rotation displacement equation, a mass matrix of this kind of structure is derived by virtual principle in this paper.
采用虚功原理，通过对单元转角-位移方程的修正，推导了这种计算模型的单元质量矩阵和刚度矩阵。 - The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。 - For Comparison, the consistent mass matrix of circular-beam is also derived.
文中还导出单元的一致质量矩阵，可资比较。 - The corresponding generalized mass matrix depends on both the mass distribution and the geometrical constraint characteristics of the system.
相应的广义质量矩阵既决定于体系的质量分布，又决定于几何约束特性。 - In the program, the differences of the mass matrix are considered between the bridge and its model.
程序中考虑了模型桥与实桥在质量矩阵上的不同，对质量矩阵进行了处理。 - A new method is proposed to identify the mass matrix, damping matrix and stiffness matrix.
本文提出了一种新方法，可以从传递函数中识别出振动系统的质量矩阵、阻尼矩阵和刚度矩阵。 - A simplified method is developed for numerical analysis of the generalized eigenvalue equation with an additional mass matrix.
在实际工程中常常遇到具有附加质量矩阵的广义特征值问题，本文介绍一个求解这一问题的简捷计算方法。 - This paper discusses in detail the difference between DEM and FEM in constructing the interpolation. The dynamic correction terms in the element stiffness matrix and mass matrix of the finite dynamic elements are presented.
本文详细讨论了DEM与FEM在构造插值函数中的区别，以及在DEM中所使用的单元刚阵和单元质阵中的动力修正项。 - In the paper authors'll derive element stiffness matrix, mass matrix and formulas for computation of inner forces.
本文将演引组合单元刚度矩阵、质量矩阵及内力计算公式。 - The phenomenological constraints on the down-quark mass matrix in the weak interaction base were investigated.
在夸克的弱相互作用基下，得到了下夸克质量矩阵的唯象约束条件。 - Two theorems: compatible mass matrix theorem and stiffness theorem;
本文证明了两条定理，即相容质量阵定理和相容刚度阵定理，为结构分析模型的改进问题（AMI）提供了完备解集。 - The expressions of the interval stiffness and interval mass matrix are developed directly from the interval parameters. With matrix perturbation and interval extension theory, the algorithm for estimating the upper and lower bounds of the interval complex eigenvalue and response are developed.
基于区间参数导出了区间刚度矩阵和质量矩阵，然后利用矩阵摄动理论和区间扩张理论，推导了复区间特征值和响应上下界估计的算法。 - It is of vital importance to form the stiffness matrix and mass matrix in the analysis of dynamic problems.
在动力问题的分析中，刚度矩阵和质量矩阵的组集是基础，这就涉及到结构形函数的构造。 - This paper finds out the element stiffness matrix and the condensed stiffness matrix of structures and by the method of simple concentrated mass, the mass matrix of structures is established, thus, the basic equations of fundamental vibrational frequency and mood of vibration of structures are obtained.
文中推导了单元刚度矩阵和结构的聚缩刚度矩阵，并用简单集中质量法建立结构的质量矩阵，从而得出了结构的固有振动频率和振型的基本方程。 - This paper develops a 4-node 20-freedom finite element for the thin-plate structures with free damping-treatment using integral dividing method. The mass matrix and the stiffness matrix of the elements are derived with energy method.
用整体划分单元法建立了一种四节点20个自由度自由阻尼处理薄板结构的有限元模型，用能量法推导了单元的刚度和质量矩阵。 - Based on the finite element method, the simulation and analysis of free vibration characteristic of subsea suspended pipeline is studied. The three-dimension analysis model of suspended pipeline is established, the stiffness matrix and mass matrix are obtained, and the free vibration equation is developed.
利用有限单元法对三维海底悬空管道的自振特性进行了模拟分析研究，建立了悬空管道的三维分析模型，得到了三维管道刚度和质量矩阵，并形成了悬空管道的自由振动方程。 - FEA method for dynamics and calculating models for the structure. Introduce the FEA method for Dynamics, and then deduce the element stiffness matrix, mass matrix and damping matrix. Then we can get the motion equation for discrete structure.
动力有限元法和结构的计算模型：介绍结构动力分析有限单元法的基本思想，进而推导了单元的刚度矩阵、质量矩阵以及阻尼矩阵，从而给出了离散结构的运动方程； - The special processing of stiffness matrix and mass matrix is given, and then the reduced integration is introduced.
以及刚度矩阵和质量矩阵的特殊处理方法； - During calculation, the restrained torsion is considered and scheme of the consistent mass matrix is adopted.
由于计算中考虑了约束扭转的影响并采用了一致质量矩阵的方案，因而降低了对计算机容量的要求。 - Both the general spring coefficient matrix of flexible connector and the mass matrix of discrete element are off-diagonal.
推导出一般情形下柔性连接元的广义弹簧系数矩阵和刚体元的质量矩阵都是非对角的。 - According to the method of interval analysis, the interval model of mass matrix and stiffness matrices with the interval variables for structural physical parameters and geometric dimensions is built.
以区间参数压电智能梁结构为研究对象，在材料性能参数和几何尺寸为区间变量时采用区间分析法建立了结构质量矩阵和刚度矩阵的区间模型。 - Through the simulation analysis of mass matrix changes, the influences on the dynamic characteristics are obtained. Finally, the placement of the actuators are optimized.
对质量矩阵变化时的模型进行仿真分析，得到了质量特性对动力学特性的影响。最后，进行了执行机构配置的优化研究。 - Detuning pendulum mass matrix and stiffness matrix are derived to analyze the anti-galloping of the detuning pendulum.
推导了失谐摆的质量矩阵、刚度矩阵，对安装失谐摆的导线进行了舞动时程分析，分析了失谐摆防舞效果。 - Method of forming the consistent mass matrix for curved beam elements is given.
给出了曲梁单元一致质量矩阵的形成方法，并对静力凝聚法进行了改进而提出了广义静力凝聚方法。 - Further more, the consistent mass matrix of a curved beam is derived and established.
推导并建立了曲梁单元的一致质量矩阵。 - Damping matrix for the structure, the paper uses a Rayleigh damping that is a linear combination of stiffness matrix and mass matrix.
对于结构的阻尼矩阵，文中采用的是瑞雷阻尼，取刚度矩阵和质量矩阵的线性组合。