element mass matrix
英 [ˈelɪmənt mæs ˈmeɪtrɪks]
美 [ˈelɪmənt mæs ˈmeɪtrɪks]
网络 单元质量矩阵
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。 - 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 - Finite element method is used to build up element stiffness matrix and element mass matrix. After the combined total stiffness matrix and the total mass matrix are obtained.
采用有限元法建立不同管道元件的单元刚度矩阵和单元质量矩阵，最终形成管道结构的总刚度矩阵和总质量矩阵。 - 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.
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。 - The element stiffness matrix and the mass matrix of the thin-walled beam portion of aqueduct are derived by energy principle and the transverse seismic response equations are established without water or with design level water in aqueduct, respectively.
由能量原理推导给出了渡槽薄壁梁段单元刚度矩阵及质量矩阵，建立了渡槽结构无水空载及槽内有水时横向地震响应计算方程。 - 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。 - On the basis of the Hamilton's principle, the element mass matrix, stiffness matrix, and damping matrix caused by Coriolis force of the finite method for the conveying fluid tubes were educed in the paper.
本文用哈密顿变分式推导输送流体管道的有限元法分析单元质量矩阵、刚度矩阵和科里奥利力引起的阻尼矩阵。 - 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 - 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。 - Based on the Hamilton's principle, the element mass matrix, stiffness matrix, and damping matrix attributed to Coriolis force are derived. Effects of flow velocity, Coriolis force, boundary conditions, and pitch angle on natural frequencies of spiral tubes are discussed.
基于哈密顿变分式推导了单元质量矩阵、刚度矩阵及科里奥利力引起的阻尼矩阵，讨论了不同的流体速度、边界条件及螺距角对输液管固有频率的影响。 - Based on structural characteristic of aqueduct, the aqueduct body is discretized into finite strips, and then explicit formulae of element stiffness and mass matrix of the aqueduct body are derived.
根据渡槽结构特点，采用有限条划分渡槽槽身，推导出渡槽槽身结构的单元刚度矩阵、相容质量矩阵的显式表达式； - Element mass matrix of Mindlin plate with shear effect
考虑剪切影响的Mindlin板单元质量阵 - This paper worked out according to Hoff type bending theory of sandwich plate, using the finite element method, the stiffness matrix, the mass matrix, the corresponding load vector and temperature load vector of sandwich plate elements.
本文根据Hoff型夹层板弯曲理论，采用有限单元法导出了夹层板单元的刚度矩阵、质量矩阵、一致的载荷矢量和温度载荷矢量； - The iso-parametric element is used to discretize the fan blades and its the surrounding air. The random intensity of pressure of the surrounding air is solved by the Galerkin method. The gas coupled with the structure directly by the gas mass matrix.
对风机叶片和周围空气选用相同的三维等参单元进行离散，应用Galerkin法计算气体内任意点压强，气体通过质量矩阵直接与结构耦合，推导出风机叶片与周围气体耦合微分方程模型。 - 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； - Floquet's theory is introduced. The application of finite element method ( FEM) to dynamic stability analysis is described emphatically. The Lagrangian equations is used to derive the necessary element matrices ( element stiffness matrix, element mass matrix and element geometric stiffness matrix).
着重论述了有限元法在动力稳定问题中的应用，并采用Lagrangian方程推导出单元矩阵的表达式（单元刚度矩阵、单元质量矩阵和单元几何刚度矩阵）。 - This theory which only uses two point element stiff and mass matrix describes the working conditions accurately in designing the wedge shaped beam columns.
采用这一模型在设计计算门式钢刚架时对变截面楔形梁柱仅需采用一个两节点的单元和质量矩阵就可精确描述其工作特性。 - The main contents are stated as follows: ( 1) A three dimensions 'model with fluid-structure interaction is made and the element stiffness matrix and element mass matrix with the shear lag were deduced.
建立了考虑流固耦合效应的渡槽三维动力分析模型，导出了考虑剪力滞影响的渡槽单元刚度矩阵和单元质量矩阵。 - The element stiffness and mass matrices of the aqueduct are derived by using the energy principle. According to the viscosity damping hypothesis, the damping matrix is established.
由能量变分原理推导给出了渡槽薄壁梁段单元刚度矩阵及质量矩阵，按粘滞阻尼假设建立了渡槽结构阻尼矩阵。 - 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。 - 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 optimal rotational component is presented for element lumped mass matrix of Euler beam element corresponding to different boundary conditions. More accurate natural frequency of vibration can be obtained through the presented lumped mass matrix.
考虑不同的边界条件，给出了欧拉梁单元集中质量矩阵转角项的最优值，算例结果表明利用本文给出的建议值可以得到较为准确的自振频率。