nmm

Examples show that the NMM can rapidly improve the results by raising the order of cover function on a cone mesh .

算例表明，在粗网格情况下，通过提高覆盖函数的阶数，数值流形法可迅速提高计算精度。

This approach extends the applications of the transfer matrix method , and lays the foundation of semi-analytical and semi-numerical researches on structural vibration and acoustics for revolution shells . ( 4 ) High-order NMM and its applications in fluid-solid interaction harmonic analysis are also studied .

本文方法扩展了传递矩阵法的应用范围，为旋转壳声弹耦合的半数值半解析分析奠定了基础。（4）本文开展了高阶数值流形法及其在流固耦合谐振分析中的应用研究。

The control system for the NMM was gained .

设计并实现了纳米测量机控制系统。

Structure Design and Optimization of MEMS Micro Tactile Probe for NMM

应用于纳米测量机的MEMS微接触式测头的结构设计和优化

It enriches the NMM dynamic analysis methods .

这丰富了数值流形方法的动力计算方法。

Formation algorithm of covers and manifold elements in NMM during propagation of cracks

裂纹扩展时物理覆盖与流形单元的生成算法

The study proves that the NMM is a valid numerical simulation software in design of tunneling engineering .

说明流形元法在隧道工程的设计方面是一种可行的方法。

Realization of a Large Range Metrological AFM using NMM

利用纳米测量机实现大范围的计量型原子力显微镜

The Numerical Manifold Method ( NMM ) is one of important numerical methods to model rock mechanics problems at present .

数值流形方法是目前岩石力学分析的主要方法之一。

The Numerical Manifold Method ( NMM ) is a newly developed general numerical method based on Mathematical Manifold .

以数学流形为基础，新发展的数值流形方法是一种有普遍意义的数值方法（简称流形方法）。

The three-dimensional Numerical Manifold Method ( NMM ) is studied on the basis of two-dimensional numerical manifold method .

在二维数值流形方法的基础上，对三维数值流形进行了理论研究。

The large range and high precision white light scanning interferometric measuring system was set up on the base of NMM .

搭建了基于NMM的大范围高精度白光扫描干涉测量实验系统。

On the base of Method of Weighted Residuals , the try function and weighted function of NMM are studied .

以加权余量法为基础，研究了NMM、FEM、EFGM和DDA等的试函数构造方式。

In the numerical manifold method ( NMM ), the most commonly used physical cover functions are not the best choices .

在数值流形方法中，常用的覆盖函数基并非是最佳选择。

Usually the numerical manifold method ( NMM ) is based on meshes of three - or four-node element .

数值流形方法常基于有限元法三结点或四结点单元。

Being convenient in adaptive analysis and mesh generation , Numerical Manifold Method ( NMM ) provides a new approach for the numerical simulation .

数值流形法具有网格划分简单、自适应分析方便等优势，为仿真计算开避了新的途径。

( 3 ) The analysis of stress of gravity dam is studied by NMM , and the result is proved by FEM .

运用所研制的数值流形方法计算程序，分析重力坝应力状态，并与有限元法计算结果进行比较，证明计算结果是合理可信的。

Two geotechnical projects that contain typical discontinuous feature are analyzed by the improved NMM , and some instructive results are obtained .

对两个具有典型不连续变形特征的岩土工程问题进行了数值流形分析，获得了对工程设计施工具有指导意义的分析结果。

In given models , the new method proved to be highly precise and effective compared with finite element method ( FEM ) and previous NMM method .

经对比，新算法的数值模拟结果与原来的NMM方法和有限元方法（FEM）的计算结果是一致的。

An Improved NMM Method for Electro-Magnetic Field Calculation in Geophysics The computation of the AM field of a ship using the AC electric dipole

用新型模式匹配法计算地球物理中的电磁场

In each iteration of VBIM , a numerical mode-matching method ( NMM ) is applied to solve forward solve .

为采用这类规则进行推理，文中给出了规则前件与事实是否匹配的模糊匹配函数。

For computation and analysis of the excavation of underground cavern , the existed NMM calculation program is improved and applied to a hydraulic power project .

针对地下洞室开挖计算与分析的需要，对已开发的数值流形元方法程序进行了适当改进。

According to the rock reinforcement in geotechnical engineering , the study on rock anchorage simulation by numerical manifold method ( NMM ) has been conducted ;

针对岩土工程中的锚固支护，研究了数值流形方法中锚固支护模拟问题。

The NMM expands the measuring range of a common AFM head , and minimizes the influence of piezo-scanner characteristics .

纳米测量机扩展了普通AFM测头的测量范围，减小了压电扫描器固有特性的影响。

The cover system of the plane numerical manifold method ( NMM ) was discussed based on the mesh of the triangle finite element method ( FEM ) .

探讨了基于三角形有限元网格的平面流形元覆盖系统；

A three nodal plane manifold element is developed based on the technique of cover function of numerical manifold method ( NMM ) for dynamic analysis of saturated porous media .

通过对数值流形方法刚度矩阵形成的研究，提出一种改进的覆盖位移函数，以改善刚度矩阵计算。

Numerical manifold method ( NMM ) is a new numerical method that is widely used in many fields of engineering computations and is the research hotspot in CAD / CAM .

数值流形方法（NMM）是近年来新型的数值方法，广泛应用于工程计算的诸多领域，近年来成为CAD/CAM的一个研究热点。

For complicated object with arbitrary shape , the finite cover system of 3D NMM and mesh can be automatically generated by program through using these classes and trees .

对任意形状的复杂结构体，用流形方法的数据类实现了流形单元有限覆盖系统的全自动生成及网格自动划分。

Finally through the comparison with the theoretical calculation results , it shows that NMM is a kind of new typical numerical calculation method to simulate the dynamic rupture process of the material .

最后通过与理论计算结果进行比较分析，说明数值流形方法是一种可以很好地用来模拟材料动态破坏过程的新型数值计算方法。

The numerical manifold method of Laplace equation was presented , it was also more general than the minimum potential energy principle to obtain the governing equations of the NMM .

本文研究了如何从加权残数法出发建立拉普拉斯方程数值流形方法的求解方程。