弹性动力学

It plays an important role in the development of the elastodynamics and has important practical applications in machine foundations design as well.

它不仅对于弹性土动力学的发展有着重要的作用，而且对机器基础的设计具有重要的指导意义。

In this dissertation, by applying the ideas of the mathematics mechanization, under the instruction of " AC=BD" theory of Professor Zhang Hongqing, we consider some methods seeking exact solutions to nonlinear partial differential equation arising from the fields of elasticity, fluid mechanics, aerodynamics, plasma physics, biophysics and chemical physics.

本文根据数学机械化的思想，在导师张鸿庆教授"AC=BD"理论的指导下，研究在弹性力学、流体力学、空气动力学、等离子体物理、生物物理和化学物理等现代科学技术中引出的非线性偏微分方程求精确解的方法。

The finite element model of base plate is used in modal analysis and transient dynamic analysis by means of the elasticity finite element method.

同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析。

At the same time,the finite element model of base plate is used in modal analysis and transient dynamic analysis by means of the elasticity finite element method.

为了优化发射器座钣的结构设计，采用有限单元法对某型号发射器座钣三维空间板壳结构进行了整体三维建模，同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析。

In order to optimize the structure for the firer base plate by means of FEM,A three- dimensional shell model has been set up for a particular type of firer base plate.

为了优化发射器座钣的结构设计，采用有限单元法对某型号发射器座钣三维空间板壳结构进行了整体三维建模，同时运用弹性力学有限元法对座钣建立的有限元模型进行模态分析和瞬态动力学分析。

In this paper, viscoelastic fractional derivative model is used for the first time in dynamic analysis of SRM, and various verification tests are carried out.

本文首次将粘弹性分数阶导数模型用于发动机的动力学分析，并进行了多种试验验证。

In this dissertation,the fractional derivative constitutive relations are applied tostudy the static and dynamical problems of viscoelastic structures in theoreticalanalysis and numerical simulation.

利用分数微分型本构关系，对粘弹性结构的静、动力学行为进行理论分析和数值模拟。

Then steady forced vibration of the nonlinear Disk spring-mass system under base excitation and force excitation is obtained individually by using the Fourier series analysis and harmonic balance method.

详细探讨了考虑静力载荷影响的、具有弹性非线性和Coulomb摩擦阻尼非线性的碟簧元件的建模和动力学特性，首先利用Fourier级数分析技巧和平均法研究了非线性碟簧-质量系统的自由振动，讨论了影响自由振动的振幅和频率的各种因素，然后利用Fourier级数分析技巧和谐波平衡法研究了地基激励和力激励下非线性碟簧-质量系统的强迫振动，通过详细的参数研究考察了非线性碟簧元件的减振性能特征，最后采用修正的稳定性分析方法研究了两种激励下稳态响应的稳定性。

Molecular dynamics simulation was carried out to study transformation pseudoelasticity in NiAl alloy with a initial B2 structure, using EAM type interatomic potential for NiAl.

利用NiAl合金的嵌入原子势，进行了B2结构NiAl单晶中相变伪弹性的分子动力学模拟模拟过程中系统的径向分布函数和键连线原子分布图的变化表明，在外加拉应力的作用下，B2结构的奥氏体向L10结构的马氏体转变，马氏体在长大过程中发生了变体间的转化与合并，不同取向的变体之间由于自协调效应形成共格的孪晶界面。

The theory analysis in allusion to the direction framework of a kind of air suspension is processed taking use of Langrate method of the multi-body dynamics theory. At the same time the kinematics analysis of rigid body and elasticity is also processed based on Virtual Prototype Technique which is popular in the world and the changing orderliness of wheel alignment parameters along with wheel jumpiness is got.

应用多体动力学理论的Langrage方法对一种空气悬架的导向机构作了理论分析，并基于国际上流行的虚拟样机技术对其作了刚体运动学和弹性运动学的分析，得到了该型空气悬架定位参数随车轮跳动的变化规律。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。