查询词典 variational method

In the buckling question under nonconservation force,a simply example( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal.) is considered.The variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self-excited vibration.The calculated formulas of the flutter load and quasinatural frequency of shells are obtained. The program for calculating the flutter load is developed.The numerical example is given and some useful conclusions are obtained.

对非保守力作用下的屈曲问题，具体研究了圆柱壳在比较简单的情况，即小变形、线弹性、直法线假设下在随动力作用下的壳屈曲问题，由拟固有频率变分原理推出了圆柱壳受随从力作用的变分方程，得到了颤振载荷与壳弯曲的固有频率的计算公式，编制了相应的计算机程序，并给出了具体算例，得到了一些有益的结论。

The variational equations are established for holonomic nonconservative dynamical systems in the high-dimensional ex-tended phase space.

建立了高维增广相空间中完整非保守力学系统的变分方程，并利用系统的正则方程和变分方程证明，可由第一积分直接构造系统的积分不变量，并举例说明结果的应用。

In this paper, a series of strong convergence theorems are discussed, which concern with generarized set-valued variational inclusions, a class of strongly accretive operator equation and a class of nonexpansive mappings.

第二章，我们在Hilbert空间中研究-单调算子的概念，以及与此相关的预解式算子R_~，利用预解式算子技巧构造了一类迭代算法，求解变分包含的逼近解问题，并讨论了由此算法产生的迭代序列的收敛性。

Design_by_feature, variational design and parametrical design are some key trends of CAD/CAM technology.

特征设计、变量设计、参数设计是当前CAD/CAM技术的发展方向。

The reasons for the variational photoactivity, the influence induced by the introduction of SiO2 between TiO2 shell and magnetic core, and the effect of heat treatment on the composite are presented. And the preparation methods aimed at avoiding high temperature calcination are also stated.

对引入磁核后催化剂活性的变化及其诱因、在磁核与TiO2之间引入SiO2隔离层的作用以及热处理对体系产生的影响进行了较为详细的阐述，同时还介绍了以避免较高温度热处理为目标的低温制备工艺。

Based on data of pumping test, this paper summarized the variational law of well in phreatic aquifer of loess and the diversified relationship between water table and pumping time.

本文根据抽水试验资料总结了黄土潜水井水跃值的变化规律并分析了其成因；总结了水位降深随抽水时间的变化关系，并建立了经验公式；提出了公式中参数的确定方法。

The conclusions are showed as followed:1. This paper demonstrated that microbe adapt better to the environment of system and have better fastness when the organic loading is variational as soon as the reaction is startuped naturally;2. Considering the relation between the activity of microorganism and temperature and taking energy into account, the reaction is runed in 24?

所得的结论如下：一、通过试验证实，采用自然挂膜启动酸化反应装置，生物膜对反应器内的环境适应能力较强，具有较强的抗负荷冲击能力；二、结合微生物活性与温度关系，并以低能耗为原则，确定反应装置运行温度为(24±1)℃；三、结合TTC-比脱氢酶活性与pH值关系，在试验研究过程中加入异波折板高效水解酸化废水处理技术的初步研究碳酸钠溶液，提高反应装置内废水的碱度，增强系统的缓冲能力。

This paper studies CPC algorithm for semidefinite monotone variational inequalitiesab.

研究关于单调半正定变分不等式的CPC算法。

Basing on a modified Reissner-type incremental variational principle in conjunction with mechanical subelement model and updated Langrangian description, a finite-deformation hybrid/ mixed finite element formulation is presented.

根据修正的Reissner变分原理，采用Updated Lagrange描述，建立了基于力学子单元模型的增量型大变形杂交/混合有限元列式方法。

Satisfactory results of numberical calculations usingS - matix variational approach for Cs + O2→Cs++O2- ion - pair formation system have been obtained.

作为上述公式的应用，对Cs+O_2→Cs~++O_2~-反应体系作了数值计算并取得了满意结果。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。