数值计算

Both in light and heavy fluids,the impact of geometrical parameter of the elastic plate on its acoustic radiational damping was discussed.

从能量的角度定义弹性板声辐射阻尼，取得声辐射阻尼的数值计算公式。

The longitudinal vortex generator is a new technique of enhanced heat transfer,this paper presents the effects of the longitudinal vortex in horizontal rectangled duct on the heat transfer coefficient and pressure drop.

纵向涡是一种新型的传热强化技术，其传热性能好，安装方便，使用可靠。以数值计算方法分析了在常壁温条件下纵向涡对换热器的传热性能以及流动阻力的影响。

In this paper, the threshold behaviours of the self-pulsing instability for the class B lasers with saturable absorber are studied.

对含有可饱和吸收体的B类激光系统的自脉冲不稳定性的阈值行为进行了研究，并就各种激光参量对其阈值的影响进行了数值计算。

The main characteristics of seismic source function in underground explosion are studied by seismological method and numerical method.

结合地震反演方法和数值计算方法，研究了地下爆炸震源函数的特征以及介质特性对震源函数的影响。

It performed serially command and data.

它的优势在于处理数值计算。

Results present that when the lateral-torsional coupling is considered, the responses in the lateral direction of the coupled system subjected to a initial disturbance and a harmonic excitation in the torsional direction, respectively, can be occurred in different forms, and show great effects. However the responses in torsional direction subjected to lateral disturbance and harmonic excitation are slightish.

对系统进行了非线性响应数值计算和相应的频谱分析，结果显示弯扭耦合后，在扭转方向的扰动和简谐干扰扭矩均会以不同的形式在弯曲方向表现出来，并对系统的弯曲振动产生较大的影响；而弯曲振动对扭转振动的影响则要小得多。

This member model consists of isolating macroscopic member element into three subelements, namely spread plastic beam subelement, joint slip subelement and shear subelement, and thus the stiffness matrix of the frame member element can be easily constructed by calculating the fl...

该单元模型能够考虑非线性变形随复杂加载历史在端部关键受力区域的逐步扩展和反弯点位置的移动，整个推导过程力学概念明确，所获得的柔度矩阵为对称矩阵，便于数值计算。

To arrange the prestressed tendons and anchor devices on the web of box girder conveniently, a theoretical analysis, numerical calculation and model test on local stresses in concrete under anchor devices were performed separately using a typical segmental model, a subrange model and a similar model for the scheme design of Hutiaomen major bridge.

为便于箱梁腹板预应力筋及锚具的布置，结合虎跳门连续刚构桥的方案设计，对特征节段模型、子区域模型和试验模型锚下混凝土局部应力分别进行了理论分析、数值计算和试验研究。

A numerical calculation method for determination of the transmissibility of an active vibration isolation system is proposed.

研究了有源隔振系统传递率数值计算的一般方法，克服了传统解析法适用范围小的缺点。

Firstly, itsummarizes the test data and numerical calculations about transonic flow field in theNASA Rotor67 quoted from literatures.

首先分析了文献中关于 NASA Rotor67 的流场的试验结果及三个典型的数值计算结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。