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物理网格
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  physical grid
     Effects of physical grid in rock mass for generation of cover system for numerical manifold method
     岩体材料物理网格对流形元覆盖系统形成的影响
短句来源
     The mathematical cover has relative independence to physical grid, so the generation of cover system for numerical manifold method is more flexible and convenient than finite element grid, but in some physical grid conditions, it has some dependence to physical grid as same as finite element method.
     流形元的数学覆盖与物理网格相对独立,使流形元覆盖系统的形成比有限元单元网格的形成有更大的灵活性和方便性,但在形成流形元覆盖系统时对物理网格也有一定的依赖。
短句来源
     The integral area's shape can be arbitrary, its shape is the intersecting part of physical grid and mathematics grid, so, the generation of integral area of unit is an intersection operation of two polygons.
     由数学覆盖和物理网格形成的流形单元的积分区域可以有任意形状,其形状为物理网格和数学网格的相交部分,所以流形单元积分区域的形成为两个多边形(数学网格和物理网格)的求交运算。
短句来源
  physical mesh
     The advantages of the NMM are that the mathematical mesh and the physical mesh are generally independent, and that the manifold element is different from the finite element, and the mathematical mesh can be easily re-meshed to obtain a better accuracy of the solution.
     流形方法的优点在于它使用了独立的数学和物理网格,具有和有限元明显不同的定义形式,且数学网格对于同一问题不同的求解精度的需求可以很方便地细化.
短句来源
  “物理网格”译为未确定词的双语例句
     Research on key technologies of data management in high energy physics grid
     高能物理网格数据管理关键技术研究
     Finally, the prototype design of a file system used in data management of high energy physics grid is presented.
     最后,介绍一个用于高能物理网格数据管理的文件系统原型设计。
     So, the purpose of this subject is to develop a set of HPCC portal for LCG The main job is to achieve the long-distance supervision and the view management based completely on network to the LCG The major technologies involved include Object Oriented Programming、 Database Design and Maintenance and Database Applicationand Development by JSP.
     因此,该课题的主要目的是开发基于LCG网格计算平台的高能物理网格计算门户系统,其主要工作是实现对LCG网格计算平台的完全基于网络的远程监控和可视化管理。
短句来源
     This new method can simplify the forming of the mathematical meshes and physical covers, reduce the number of small physical covers, and precisely calculate the strain and stress by using the simplex integration.
     该法简化了数学和物理网格,减少了小块物理覆盖的生成数量,采用解析解的单纯形积分,提高了应力和应变的计算精度。
短句来源
     The grid computing research in Chinese high energy physics community is introduced at last.
     最后介绍了正在起步中的我国高能物理网格技术研究。
短句来源
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  相似匹配句对
     High energy physics and grid computing
     高能物理网格计算
短句来源
     Application research of high energy physics grid computing based on CGSP
     高能物理计算网格应用系统
短句来源
     Earthquake-generated tsunamsi: their physics, monitoring and warning
     海啸的物理
短句来源
     The Mesh Point Battle
     网格点阵
短句来源
     Physics of Liquid Crystals Chapter 1: The Continuous Theory of Liquid Crystals
     液晶物理
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  physical grid
Another special feature of electricity is that it needs to be delivered over an extensive physical grid.
      
As outlined in the Introduction this physical Grid may be partitioned into a number of logical grids.
      
Data collection is categorized as randomly generated or measured along a physical grid.
      
Educational and commercial environments may be tested in physical grid-enabled geographies.
      
For a regional grid cell size of 36 km, the plume width for this release reached the physical grid size during the mid-morning hour.
      
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  physical mesh
One of the most innovative features of the method is that it employs both physical mesh and mathematical mesh to formulate the physical problem.
      
A terminated edge causes a physical mesh to be created which has a cell with more than four faces.
      
Assume that we are considering a node in the physical mesh, Xk, whose corresponding node in the logical mesh is denoted by k.
      
Initially, since we choose the logical mesh the same as the physical mesh, we have i = Xi.
      
In the second step, we use the above difference to obtain the mesh redistribution information in the physical mesh difference.
      
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The high order displacement function of rectangular element of manifold method is developed based on the theory of manifold method. This new method can simplify the forming of the mathematical meshes and physical covers, reduce the number of small physical covers, and precisely calculate the strain and stress by using the simplex integration. The linear cover displacement function is mainly discussed. The stiffness matrix is formulated. The calculation results, with an example shown, demonstrate that high order...

The high order displacement function of rectangular element of manifold method is developed based on the theory of manifold method. This new method can simplify the forming of the mathematical meshes and physical covers, reduce the number of small physical covers, and precisely calculate the strain and stress by using the simplex integration. The linear cover displacement function is mainly discussed. The stiffness matrix is formulated. The calculation results, with an example shown, demonstrate that high order rectangular element of manifold method can get more accurate strain and stress.

在原有的三角形单元的流形方法的基础上,提出了高阶四边形单元的流形方法。该法简化了数学和物理网格,减少了小块物理覆盖的生成数量,采用解析解的单纯形积分,提高了应力和应变的计算精度。首先推导了四边形单元的权函数,并给出四边形单元的高阶位移方程的一般表达式。进一步推导了应变和应力以及单元的刚度矩阵等,最后通过具体实例验证了高阶四边形流形单元的计算应力和应变的准确性。

The cover system of manifold method (MM) has been built by combining the actual physical meshes and arbitrary shapes of mathematical meshes which cover the whole material area.The technology of automatically forming of cover system in MM has also been studied from the definition of mathematical cover and physical cover.The numbering of manifold elements and two series of covers is programmed by Visio C++ and its standard class library.

用覆盖所有材料区域但独立于材料实际几何边界的任意形状数学网格和实际的物理网格来建立流形方法的覆盖系统 ,直接从数学覆盖和物理覆盖的定义出发 ,探讨了流形方法覆盖系统的全自动生成技术 ,并用VisioC ++及其标准类库实现了流形单元和 2套覆盖的自动形成和编号 .

In the numerical manifold method developed by Genhua Shi,two types of mesh systems,mathematical covers and physical covers,are involved. Mathematical covers constitute the whole interpolation domain while physical covers are used to define the integral domain. Pre-process of computational model used for numerical manifold method is usually difficult in practical applications. Although some efforts have been made in past,there is lack of efficient solving algorithms. Therefore,a computer-based technique of automatic...

In the numerical manifold method developed by Genhua Shi,two types of mesh systems,mathematical covers and physical covers,are involved. Mathematical covers constitute the whole interpolation domain while physical covers are used to define the integral domain. Pre-process of computational model used for numerical manifold method is usually difficult in practical applications. Although some efforts have been made in past,there is lack of efficient solving algorithms. Therefore,a computer-based technique of automatic mesh generation especially adapted for numerical manifold method is developed in this paper. In the proposed method,mathematical covers are kept to be invariants independent of the constitutive media which may continuous or discontinuous. Mathematical meshes of numerical manifold method can be automatically generated by using the same mesh-generation technique as employed in finite element methods while physical meshes are generated by virtue of objective-oriented programming. An effective algorithm is presented for implementation of the proposed technique. It is shown through an example analysis that both the proposed technique and numerical algorithm are practically feasible and effective for the numerical manifold method.

数值流形方法包含数学覆盖与物理覆盖双重网格,数学网格用以构造流形单元的插值函数,物理覆盖确定了流形单元的积分区域。数值流形方法的前处理一直是一个难题。讨论了数值流形方法的网格自动生成技术,解决了数值流形方法的前处理问题。无论是连续性材料还是非连续性材料,数学覆盖都保持不变,因此,借助现有的有限元技术生成数值流形方法的数学网格,利用面向对象的编程方法生成了数值流形方法的物理网格。实例应用表明,这种方法是可行的和有效的。

 
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