结构动力学

对结构动力学和波传播问题提出了一个时域间断的Galerkin有限元法。

A time-discontinuous Galerkin finite element method ( DGFEM ) for structural dynamics and wave propagation problems is presented .

运用ANSYS软件对影响抽油机运动稳定性的滑轨进行了结构动力学分析，实现了两种方案滑轨结构的优选。

Do structural dynamics analysis on rails and realize the superior of the two rails with ANSYS software , which affects the stability of motion of the pumping unit .

基于模态空间H2范数的压电柔性梁结构动力学模型降阶

Model Reduction of Flexible Structures Using Spatial H_2 Norm of Modes

基于ANSYS二次开发进行黏弹性结构动力学分析

Modal analysis of elastic-viscoelastic composite structures based on ANSYS secondary development

研究以降低直升机旋翼激振力为目标的复合材料桨叶结构动力学减振优化设计，分析了桨叶结构特性及桨尖后掠角等参数对N次/转旋翼桨毂振动载荷的影响。

A Model Analysis and Damping Optimization of Motorcycle Frame Structure The paper presents an analytical study of the helicopter rotor vibratory load reduction design optimization with aeroelastic stability constraints .

提出了基于裂纹集中柔度模型和p型有限元方法的裂纹梁结构动力学特性和响应分析方法。

Then a new methodology based on the lumped crack model and the p-version of finite element method ( p-FEM ) is developed to analyze the vibration characteristics and dynamic response of cracked structures .

ITER真空室中子屏蔽组件的结构动力学有限元分析

Structure dynamic analysis of neutron shielding component for ITER vacuum vessel

我们用显微拉曼、卢瑟福背散射谱、X射线散射和非对称摇摆等实验手段研究了在10-2到10-5帕氧气压下用激光分子束外延技术生长的BaTiO3-x薄膜的结构动力学特性。

Structure dynamics of strongly reduced epitaxial barium titanate ( BaTiO_ ( 3-x )) thin films were investigated by Micro-Raman scattering technique , Rutherford backscattering spectrometry , X-ray diffraction , and asymmetric rocking curves .

针对增量形式的结构动力学方程，推导了Runge-Kutta方法的迭代形式，研究了降低计算量的两种办法，发现了一些传统格式与Runge-Kutta方法之间的关系。

When Runge-Kutta methods are employed to incremental formulations of structural dynamical equations , the iterative equations are derived , and two approaches to reduce the cost of computation are studied .

通过使用非定常的欧拉或Navier-Stokes（N-S）方程的CFD计算技术和计算结构动力学（CSD）的耦合，对飞行器结构的整个气动弹性响应可以初步预测。

By the use of an unsteady Euler or Navier-Stokes CFD algorithm coupled with a Computational structural dynamics ( CSD ) solver , the complete aeroelastic response of the structure can be preliminary predicted .

运用多体动力学的Kane方法，结合计算机符号推导公式，建立了车载火炮发射系统的9个自由度动力学模型，进行了总体结构动力学仿真。

The launching dynamics model based on Kane 's equation and computer algebraic computation method with 9 degrees of freedom was presented . Dynamic imitation for the overall structure was made .

本文针对Mg-Ni弱放热反应体系从热力学及结构动力学两方面进行了较为全面的研究。

In this paper , a relatively general research on the weak exothermic reaction system of Mg_2Ni has been made from thermodynamics and structure dynamics .

近年来，计算气动弹性（CAE）开始作为一个正式术语出现于一些研究文献中，用来描述耦合高精度的计算流体动力学（CFD）与计算结构动力学（CSD）分析气动弹性问题的方法。

Recently , a formal term , Computational Aero-Elasticity ( CAE ) has appeared to describe aeroelastic analysis methods coupling high-fidelity computational fluid dynamics ( CFD ) codes with computational structural dynamics ( CSD ) techniques in some research article .

并在此基础上，利用CAX集成应用环境，结合非线性接触理论和结构动力学理论，完成了叶轮部装结构工艺性能和运行工况条件下的结构性能研究工作。

And CAX integrated environment is constructed on the basis of above method . By combining nonlinear contact theory and structure dynamic theory , technological property of impeller assembly structure and structure performance at operating condition are completed .

结构动力学领域的模态局部化现象最早由Hodges发现，主要发生在周期结构中，例如螺旋桨之类的循环对称结构、连续梁以及通信天线等大型空间桁架结构。

Hodges firstly discovered the phenomenon of mode localization in structural dynamics . This phenomenon mainly takes place in periodic structures such as cyclic symmetrical structures , continuous beams and large space structures .

同时利用Cada-X结构动力学分析系统建立了一套振动噪声控制性能测试系统，可广泛应用于各种振动噪声有源、无源控制系统的控制性能测试。

And using Cada-X structure dynamics analysis system , a testing system to test vibration and noise controlling performance is established . It is applied to testing the controlling performance of the active or passive vibration and noise control system .

间隙对空间可展结构动力学性能的影响

Effects of Clearances on Dynamic Performances of Deployable Structures for Spacecraft

用优化方法修正阻尼结构动力学模型

Modifying dynamical model of damped structures by using of optimization technique

链烷烃热裂解过程结构动力学模型与模拟

Structural kinetic model of pyrolysis process of paraffins and its simulation

结构动力学有限元模型修正的目标函数及算法

Objective Functions and Algorithms in Structural Dynamic Finite Element Model Updating

基于特征值灵敏度分析的发动机结构动力学模型修正

Correction of Engine Structure Dynamic Model Based on Eigenvalue Sensitivity Analysis

阻尼结构动力学模型的一种修正方法

A Method for Modifying Analytical Dynamic Models of Damped Structures

结构动力学分析是大口径空间天线研制工作的重要组成部分。

Structural dynamics analysis is important for developing a big-caliber space antenna .

结构动力学拓扑优化局部模态现象分析

Investigation of Localized Modes in Topology Optimization of Dynamic Structures

转子系统套齿结构动力学设计方法研究

Dynamic Design Method of Spline Joint Structure for Rotor System

机械结构动力学模型的模糊优化修正方法

Modification of Dynamic Model of Mechanical Structures Based on Fuzzy Optimization Knowledge

内燃机复杂部件结构动力学模型修正技术研究

Research on the Modification Technique on Structural Dynamic Model of Complex I.C.E.Components

组合桁架结构动力学优化设计及模态综合

Optimal Dynamics Design and Modal Synthesis of Combined Tress Structure

非线性结构动力学瞬态分析的摄动法

Perturbation Methods for Transient Analysis of Nonlinear Structural Dynamics

光纤陀螺结构动力学优化设计

Dynamical Optimization for the Structure of Fiber Optical Gyroscope