查询词典 viscous

Characteristics of free vibration and forced vibration of a damped system with dry frictional damping,viscous damping and c x·2 damping are analyzed and calculated,acceleration response of free-vibration of the dry frictional damped system has a sudden change when x· is zero,the change value is constant and depends only on the natural frequency ωn and the displacement xk due to dry friction.

本文对存在干摩擦阻尼、粘性阻尼和c.x2阻尼系统的自由振动及受迫振动特性进行了解析及数值计算，得到干摩擦阻尼系统自由振动的加速度响应在速度零点有一突变，这一变化量为定值，且只与系统固有频率ωn及摩擦当量位移xk有关。

Based on the semi-active control theory, a new type clearance viscous damper is presented in this paper.

基于半主动控制理论，本文提出一种新型的间隙式粘滞阻尼器。

According to the constitutive relation of the fluid, academic model for calculating damping force of viscous damper is first developed.

在幂律流体本构关系的基础上，建立了粘滞阻尼器的阻尼力计算模型。

Based on the conformation and working principle of this damper,the model of damping force corresponding to the viscous damper is constructed.

为了充分利用线性阻尼器的优点，并改进其不足，本文研制了一种调节阀式粘滞阻尼器该阻尼器由缸筒

In cylindrical coordinate system,a modified mixed variational principle with viscous damping force is established and the corresponding state-vector equation is derived.

建立了圆柱坐标系下包含粘滞阻尼力的修正后的Hellinger-Reissner变分原理，推导了对应的状态向量方程。

Based on the conventional SIMPLE algorithm, a set of new dependent variables of momentum equations is introduced to extend the application of the pressure correction method for compressibe viscous flows and to accelerate the convergence.

在传统SIMPLE算法的基础上，本文提出了一种新的动量方程流场控制变量的选取方法，进而使本文所提出的压力修正法更适用于可压粘性流动的数值求解，同时也加快了收敛速度。

During the calculation the results got by quintic spline kernel was the best so it was chosen as the proper kernel for the SPH simulation. By comparison of the simulation results got by SPH and finite volume method, it was proved that the buffer cells method proposed in the SPH simulation to implement the Dirichlet boundary conditions was accurate, and this is of great importance for the simulation of flows pass a pipe. At last, the SPH method was improved to simulate the liquid-solid two phase flows and the results show that this method was appropriate for the simulation of flows containing viscous fluid and macroscopic solid components. Now the two methods are both able to predict the continuum flows and rarefied flows severally, but the hybrid program still has some aspects to be improved.

首先用标准算例验证了SPH方法的理论模型和计算程序的准确性；通过比较确定选用五次样条核作为计算低雷诺数下的粘性连续流动时的核函数；采用SPH方法和有限体积法分别对同一管道流动进行了对比计算，证明了本文提出的边界缓冲区方法在实现SPH方法中的流体边界条件时的有效性，解决了SPH方法模拟管道流动时的一个关键问题；巧妙地使用SPH方法对化工分离流动中常见的固液两相流及固液耦合作用进行了模拟尝试，获得了较好的结果；在跨尺度计算方面，目前两个子程序已经能够分别模拟连续的和稀薄的二维管流问题，二者的耦合计算程序还处于调试和优化阶段，各个参数对于计算精度和计算速度的影响规律仍在探索中。

We overcome the previous drawbacks because one of the most important improvements is that we introduce a dissipative viscous force to simulate the effect of collision between gas clouds.

我们的结果同观测符合得很好，克服了以往研究中的缺憾(如环不稳定，位置不准确等)，主要的原因是由于我们引进了一个粘滞耗散过程来描述气体粒子之间的非弹性碰撞。

A theoretical stress tensor model that includes surface tension forces and viscous forces is developed by considering the three-dimensional spatially periodic cells of dodecahedron. Meanwhile, the shear stress and normal stress difference under various shear rates are calculated by computer.

本文在同时考虑表面张力与粘性力的情况下，以三维模型—长菱形十二面体及泡沫的应力张量表达式为基础，得出了泡沫的剪应力及法向应力差表达式，并通过计算机进行了求解，讨论了泡沫粘度、泡沫大小等因素对剪应力及法向应力差的影响。

In his opening statement Wednesday, plaintiffs' lawyer Gregory L. Lattimer told jurors that when his clients declined to leave the VIP section of Washington's Eyebar, Kane and another bodyguard, delivered a "viscous, doglike beating," kicking and stomping on Godfrey. He said Kittrell was later attacked as well.

在周三的第一次审讯中，原告律师告诉陪审团，哥德菲尔的眼部在这起事件中遭受了严重的创伤，这是源于卡尼以及另外一名保镖粗暴地殴打哥德菲尔所造成的，他们甚至还踢打以及践踏哥德菲尔，而基特雷尔随后也遭受同样的待遇。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。