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multigrid method中文是什么意思

  • 多重网格法

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  • 例句与用法
  • A finite volume hybrid solver which is based on jamson ' s finite - volume scheme is developed , and it can be used by arbitrary grids . the agglomeration multigrid method is used
    应用上述方法,进行了大量的数值实验,以检验所发展的方法的正确性及编制的程序的鲁棒性。
  • In this paper , based on a two - grid approach a multilevel linearization approach and a new cascadic multigrid method is proposed for the second order nonlinear elliptic boundary value problems
    本文基于两网格离散技巧,对二阶非线性椭圆边值问题提出了多重网格线性化算法和一类新型的瀑布型多重网格法。
  • The 2d and 3d multigrid methods for compressible euler and navier - stokes equations were studied . the jameson ' s finite volume method and runge - kutta time stepping scheme were employed to obtain a convergent steady solution on structural grid
    在二维euler方程、二维薄层n - s方程、三维euler方程和三维薄层n - s方程的数值计算中研究运用了高效率的多重网格法计算技术。
  • The numerical examples show that the current multigrid method is efficient and robust for solving of both 2d and 3d flow equations in inviscid and viscous flows . the parallel - computation example also indicated a high parallel computing efficiency was achieved
    选用了两种翼型、 m6机翼、 m100的机翼、某三角翼和dlr - f4翼身组合体等多个算例对本文多重网格法进行了验证。
  • The cascadic multigrid method has been shown to be one of the most efficient iterative techniques for solving large boundary value problems , the main advantage of which is coarse - grid - correction free , and as a result it can be viewed as a one - way multigrid method
    瀑布型多重网格法是求解大型边值问题的一种有效的迭代解法,其主要优点是不要求粗网格校正,故又称单步多重网格法。
  • Most of the aerodynamic optimization design technologies need to solve the euler / navier - stokes equations by hundreds times , which limits the development of the design method and its application . two efficient methods , multigrid method and parallel computation , were studied in present work . the main aspects of this dissertation are as follows : 1
    通常优化设计需要成百上千次的调用流场求解程序,运用更准确的流动控制方程,如navier - stokes方程,进行设计会带来巨大的计算花费,这给方法的研究和实际地运用带来了很大的困难。
  • A new extrapolation multigrid method in solving large scale finite elemen system of equation is proposed , i . e . new extrapolation values of finite element solutions on the first two level grids are used to provide the good initial values on the third level grids and then an exacter finite element solution can be obtained by several cg - iterations
    摘要提出一种求解大规模有限元方程组的新外推多网格法,即用前两层网格上有限元的新外推值提供第3层细网格上的好初值,然后用几次cg -迭代能得到较准确的有限元解。
  • In chapter 1 , we use the p1 nonconforing mortar element to discrete poisson equation , and adopt multigrid method to solve the discrete equations , we have proven that the algorithm has a uniform convergence rate , that is , the convergence rate is independent of the mesh size and level . the multigrid method for the stationary stokes equations based on mortar mixed element method is presented in chapter 2 , and the uniform convergence rate of the method independent of mesh size and level for the w - cycle is proven
    第二章求解的问题是定常stokes方程,用混合mortar元来离散原方程,每个子区域上用taylor - hood有限元进行离散,离散出的方程组用w -循环多重网格方法进行求解,第四节中证明了多重网格方法的一致收敛性,即收敛率与网格层数和网格尺寸无关。
  • 更多例句:  1  2
  • 百科解释
Multigrid (MG) methods in numerical analysis are a group of algorithms for solving differential equations using a hierarchy of discretizations. They are an example of a class of techniques called multiresolution methods, very useful in (but not limited to) problems exhibiting multiple scales of behavior.
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT

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