mass matrix

Optimal correction of mass matrix using modal test data

用振动测量数据最优修正质量矩阵

Simplified method for generalized eigenvalue problem with additional mass matrix

具有附加质量矩阵的广义特征值问题的近似解法

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。

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

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

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。

Element mass matrix of Mindlin plate with shear effect

考虑剪切影响的Mindlin板单元质量阵

Consistent Mass Matrix for Complete Coupled Beam Elements

全耦合梁单元的一致质量矩阵

Accuracy of finite element eigenproblem by using diagonal mass matrix

用对角质量矩阵时有限单元特征值问题的准确度

The rotational inertia is counted in the mass matrix used in the analysis .

厚板条的质量矩阵计入转动惯量。

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。

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。

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。

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。

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。

The results show that this approach significantly increases the accuracy of frequency obtained by the use of other mass matrix .

结果表明，这种综合一致质量阵方法是几种质量阵形成方法中对提高动力分析精度最为有效的方法。

The lumped mass matrix is a diagonal matrix .

集中质量阵是一个对用阵。

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。

Refined 8 20 node element for vibration analysis and the discussion of several approaches for the construction of mass matrix

精化8-20节点块体元的综合一致质量阵及几种质量阵构成方法的讨论

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；

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。

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。

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 element stiffness matrix , mass matrix , damping matrix and aerodynamic load matrix of three nodes cable element were induced .

推导了三节点覆冰导线单元的刚度矩阵、质量矩阵、阻尼矩阵、荷载矩阵。

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。

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。

On the structural fe analysis , with shell element simulation interlayer board , finally obtained total stiffness matrix and the mass matrix .

对结构进行有限元分析，用壳单元模拟夹层板，最后求得总的刚度矩阵和质量矩阵。

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。

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。