查询词典 numerical

ABSTRACT Title of Theme: Numerical Simulation and Controlling of Dimples on the Process of Multi-Point Forming for Sheet Metal Specialty: Material Processing Engineering Faculty Adviser: Prof. Cai Zhongyi Multi-point forming is a new means for sheet metal forming.

论文题目：板材多点成形中压痕的数值模拟及控制专业：材料加工工程指导老师：蔡中义教授多点成形（Multi-point forming，简称MPF）是一种全新的板材成形方式。

To design of high performance MRIgradient and RF coils is always the hot topic in MRI academical and industry field and lots ofmethods have been proposed to design the coils,which needs certain numerical calculation.

高性能MRI梯度和射频线圈的设计一直是MRI学术界和工业界的研究热点问题，已经有大量线圈设计方法提出，其中都涉及到一定的数值计算。

The results are presented and compared with the available results of other authors, which shows satisfying agreement. And a submerged body beneath the free surface in accelerated motion is considered; the numerical results of instant wave resistance and free surface elevation are presented and discussed.

对非定常线性兴波问题的求解，第5章作为算法的验证，从较简单的近自由面运动潜体的非定常兴波问题入手，首先对无限水深近自由面潜体突然加速和渐近加速的非定常兴波问题作了计算，给出了非定常兴波波形和非定常兴波阻力随时间的变化曲线，计算结果与其它文献给出的结果进行了比较，其吻合程度令人满意。

A numerical control equipment for press ing brush arm used in the automobile electron accelerator pedal is developed.

开发了一种用于汽车电子油门踏板电刷臂压装的数控设备。

In the paper, some methods of numerical simulation of RF performance for accelerator cavity are introduced.

介绍了用数值模拟手段设计加速腔体的方法。

Firstly, after the analysis on probability distribution of GenCos' bidding results, a concept of bid acceptance probability distribution function of GenCos is proposed; then based on the features of bidding structure in day-ahead and real-time markets, a multi-objective bi-level programming bidding strategy model in day-ahead and real-time markets for GenCos is built for electricity markets in which the step-wise bidding function and pay-as-bid settlement protocols are utilized; and then in order to solve the proposed model an algorithm based on Monte Carlo method and genetic algorithm is designed; finally, the simulation of numerical examples are performed to verify the correctness of the proposed model and algorithm.

首先在分析了发电商竞价结果的概率分布之后，提出了发电商竞价成功概率分布函数的概念。然后基于日前和实时市场中投标结构的特点，针对采用分段报价和按报价结算(pay as bid price，PAB)方式的电力市场，建立了日前和实时市场中发电商的多目标二层规划竞价策略模型，并设计了以蒙特卡罗方法和遗传算法为基础的求解算法。最后采用算例对所提出的模型和算法进行了仿真验证。

The results of numerical simulation are in accordance with that of experiments.

结果表明，数值模拟得到的流场结构与实验结果一致。

The numerical calculation results are accordant to the experimental data. It is shown that the method presented in this paper is feasible and correct, and this method has been already used in engineering.

数值计算结果与实验值吻合的很好，证明了本文计算方法的可行性和正确性，并已应用于工程实践中。

To investigate the thermal protection effects of a heat sinking vest with phase-change material in high-temperature and high-humidity environment and the feasibility of numerical computation of heat transfer to the vest,based on the analysis of heat and mass transfer characteristic about the accouterments,a thermodynamic model was set up with the enthalpy method.

为了研究相变材料降温服在高温高湿条件下的热防护性能和相变材料数值计算方法应用于降温服传热计算的可行性，在分析服装传热传质特点及计算方法的基础上，利用焓值分析法对服装中的相变材料建立传热模型，在整个区域建立统一的能量方程，在区域结点进行离散，并进行隐式求解，得到焓的分布。

A new computation expression is presented in order that the process for huge matrix inversing could be avoided and the numerical accumulated error could be decreased also.

提出了一个新的当网格单元形状为不规则三角形时的计算格式，避免了对大型矩阵的求逆运算。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。