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A conservative remapping algorithm based on donor-cell method for multiscale dynamic simulation is proposed which couples micro molecular dynamics simulation with macro finite element method.

针对耦合微观分子动力学和宏观有限元方法的多尺度模拟，提出一类新的基于贡献单元法的网格守恒重映算法。

In chapter II, we calculate the binding energy of a quantum wire in the presence of a strong magnetic field along the wire axis by using the variational method and strong perturbation method.

在第二章中，我们用变分法和强相互作用方法计算了在一个沿着轴向的强磁场下的量子线的束缚能，讨论了束缚能随着量子线的半径，磁场和掺杂浓度的变化。

Magnetic flux leakage testing method as an effective method is widely used in steel pipes inspection system.

漏磁检测法作为一种高效的检测方法被广泛应用于钢管的在线无损检测。

ABSTRACT In this thesis, the microstructure, the in situ tensile fracture processes and the mechanism of deformation and fracture of the SiC whisker reinforced aluminium composites made by a squeeze casting method were studied by means of SEM, TEM, HVEM, AES, HREM, electronic tensile machine and magnetic tape recorder. The dislocation theory and the complex function method were also used during analysis.

本文利用扫描电镜、透射电镜、高压电镜、俄歇谱仪、高分辨电镜、电子拉伸机和磁带式记录仪等设备和技术以及位错理论和复变函数方法研究了由高压凝固铸造法制备的碳化硅晶须增强铝复合材料的显微组织、动态拉伸断裂过程以及在特殊条件下变形和断裂的规律。

One is the method of distinguishing magnetizing inrush current based on the ratio of voltage and fluxional differential current, and the other one is the method based on attenuation of fundamental wave.

第一种是基于电压与电流微分比值原理的励磁涌流鉴别方法，第二种是基于基波分量衰减的励磁涌流鉴别方法。

Magnetoelectricity gear method is a general torsional oscillation measurement method. It has disadvantages on less measure point and improved-needed dynamic characteristic.

现行的扭振测量方法以磁电式齿轮测量法为主，这种方法存在测点少，动态特性有待提高的缺点，就此本文提出了一种基于高速CCD摄像技术的汽轮发电机组轴系扭振测量的新方法。

In recent years, plentiful and substantial fruits achieved by the LB method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches.

目前，LB方法已经在水力学、多相流、多孔介质流、热传导以及磁流动力学等领域取得了丰硕的成果，展示了广阔的应用前景，它将成为传统计算方法的有力竞争者。

Pair of thin film growth method magnetron sputtering process simulation, using the Monte Carlo method.

对薄膜生长的方法之一磁控溅射的过程模拟，采用蒙特卡罗方法。

Considering the non-stationary specialties of AE signals, the diamond blunt feature extraction method based on bispectrum was studied. Furthermore, the diamond blunt feature extraction method based on main diagonal slice of normalized bispectrum magnitude of AE signal was proposed.

深入研究了砂轮修整过程中声发射信号的产生机理及其时频特征，提出了基于声发射信号的小波包频带能量分解的金刚石笔钝化状态特征提取方法；将高阶累积量和双谱理论引入到金刚石笔钝化状态的特征提取中，提出了基于声发射信号归一化双谱模对角切片的特征提取方法。

This new design method with CAT technology make a breakthrough of traditional design method It is a new try.

设计是采用了CAT技术，并结合数值试验完成的。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。