数值计算

But these traditional methods have certain drawbacks and limitations. To contain solution's reliability and stability the regularization is often adopted. The effectiveness of a regularization method depends strongly on the choice of a good regularization parameter.

在反问题的理论及数值计算方面，国内外的科学家做了大量的工作，提出了不少经典的数学和物理方法，但这些传统的方法都有其一定的缺陷或局限性。

In this paper , the microbus s temperature field and velocity field is researched through numerical simulation and experiment for the first time .

本文首次采用数值计算和试验相结合的方法对微型面包车车室内温度场、速度场进行了研究。

On the basis,the numerical response to micromechanics of material microst...

在此基础上，利用有限元法对异质体材料微结构进行细观力学响应的数值计算，对于识别"材料结构弱点"，评估微裂纹的启裂、扩展，预测异质体材料微结构材料损伤后的材料性能，推演"微结构虚拟失效"行为具有重要的意义。

Finally, based on the principle of minimum potential theory, special finite element models for cylindrical bending are obtained.

研究复合材料斜交层板的柱状弯曲问题，建立新的数值计算方法。

Furthermore, numerical methods for dynamic response and modal analysis of the multi-degree system are introduced.

此外，结构动力学还介绍了多自由度系统动力响应和模态分析的数值计算方法。

These phenomena are roots of the unsteady excitation. ANSYS was used to solve the structure dynamic equations to obtain the natural frequency of vibration and mode shape of the blade.

本文应用工程软件ANSYS完成了叶片的振型和自振频率分析，结合数值计算得出的气动激扰，进行了叶片的共振分析。

Finally ,the author establishes the moistening and drying constitutive model of collapsible loess, which provides basis for future engineering design and numerical calculation.

最后建立了湿陷性黄土增湿变形的本构模型，为以后的工程设计和数值计算提供了依据。

The choices of mollification parameter for a priori and a posteriori are discussed respectively.

同时，作者给出的数值计算方面的例子也显示了这一方法的效力。

In this paper, a numerical and physical simulation was performed for the feeding system in the molten pool.

本文采用水力学物理模拟实验与数值计算相结合的方法，对熔池内布流系统进行了研究。

The basic equations of centrifugal pump on steady and unsteady process were educed based on theory of momentum and moment in order to analyze the transient hydrodynamic performance of centrifugal pump.

为了对离心泵快速开启过程的瞬态效应进行分析，根据动量矩定理分别推导转速稳定和不稳定时的离心式水泵基本方程式，给出了叶轮旋转加速和流体加速对性能影响的数学描述方程，为进一步理论分析和数值计算打下基础，并结合一台快速启动的混流泵进行实例分析。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新