振动的

Then,the vibration of the model is calculated by using the FEM. Comparing the level of vibration with different multilevel quadrate steel beams,the effects and rules of isolating vibration are tested.

然后用有限元软件模拟计算了加多级方钢隔振后的结构振动水平，通过比较分析，得到了多级方钢的隔振效果和振动能量在其间的传播规律。

As to the large liquid launch vehicle and missile,it is so easy to occur the coupled vibration of the rocket structure with the propulsion system,leading to a disastrous consequences.

对大型液体运载火箭和导弹来说，火箭结构的纵向振动与动力装置的振动很容易耦合而产生毁灭性后果，这种耦合有一个专门的名字，POGO。

According to the vibration of roller mill foundation in concrete production,the subject of finite element simulation to large-scale dynamical foundations is put forward.

本论文针对水泥生产过程中，立磨设备基础振动较大的问题，提出了对大型动力基础有限元模拟的课题，旨在研究不同情况下基础的振动情况，进而进行优化设计。

Aimed at the mathematic problem in the model of the pendulum oscillation,the paper introduces the study on the existence of odd-harmonic solutions to second order semi-linear differential equation which describes the model of the pendulum oscillation by using upper and lower solution method monotone iterative technique and the Schauder fixed point theorem respectively.

针对摆型振动模型中的数学问题，分别采用上下解方法、单调迭代法及Schauder不动点定理研究了摆型振动模型的二阶半线性微分方程奇调和解的存在性。

We present quantum mechanical vibrational computations beyond the harmonic approximation from effective second order perturbative and variation perturbation treatments defined as static approaches, as well as vibrational analysis from density functional theory molecular dynamics trajectories at 300 and 600 K.

利用超简谐振动近似的有效二阶微扰法(VPT2)和变异微扰法两种静态方法，以及在300和600K下的密度泛函分子动态轨线振动分析方法进行量子力学的振动计算。

As shown in some papers the self-excited vibrations are major reasons of causing serious damage to the rotating machinery.

有关资料表明，汽轮发电机组的重大事故的诱因中轴系振动已远远超过转子裂纹，其中自激振动和扭振引起的故障占绝大多数。

A semicircular cylindrical thin piezoelectric shell is studied and the distribution of actuating voltages and their variations with the time is obtained.

最后，作者对一半圆柱压电层合壳的主动振动控制进行了研究，得到了结构在振动控制过程中，各电极电压的分布情况以及随时间的变化曲线。

Based on the theory of the structure dynamics, with the limited element SAP5 programm as the calculating way, a calculatingway of the dynamics intenisity of the sieve s lateral plate is put forward and the reason why this kind of oscillating sieve causes crcak on the lateral plate is analyzed.

以结构力学理论为依据，以有限元SAP5程序为计算手段，提出了一种直线振动筛侧板的动力学强度的计算方法，并分析了这类振动筛在侧板上产生裂纹的原因。

On the basis of established statics model , this paper sets up the vibration model without and with liquid friction and the simulation and experiment have been done .

在已建立的静力学模型基础上，建立了微机器人的无阻尼振动模型和有阻尼振动模型，并进行了相关的仿真和实验研究。

Based on the principle of total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, the vertical vibration equation set of the high-speed train and slab track time-dependent system was established considering the vertical connecting condition between the wheel and the rail.

考虑轮轨竖向位移衔接条件，基于弹性系统动力学总势能不变值原理及形成系统矩阵的"对号入座"法则，建立了高速列车－板式轨道时变系统竖向振动矩阵方程；分析了CA砂浆的刚度和阻尼时此系统竖向振动响应的影响规律。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。