搜索结果: 1-8 共查到“信息科学与系统科学 Extrapolation”相关记录8条 . 查询时间(0.093 秒)
THE SPLITTING EXTRAPOLATION FOR FINITE ELEMENT METHOD
Splitting extrapolation parallel algori
2007/12/10
摘要 A new splitting extrapolation based on multivariate asymptotic expansionsof finite elemellt eraes for differellt mesh parameters is described. By means of splittingextrapolation, a far 3 scale prob...
A MUCLTI-PARAMETER SPLITTING EXTRAPOLATION AND A PARALLEL ALGORITHM
Finite element multi-parameter error ex
2007/12/10
摘要 The finite element solutions of elliptic equations are shown to have a multiparameter asymptotic error expansion. Based on this expansion and a multi-parameter splitting extrapolation technique, a ...
A MULTI-PARAMETER SPLITTING EXTRAPOLATION AND A PARALLEL ALGORITHM FOR PARABOLIC PROBLEM
Parabolic equation finite element mult
2007/8/7
In this paperl we show that the finite element solution of parabolic equation hasa multi-parameter asymptotic error expansion. From this expansion, a multi-parameter splitting extrapolation method and...
AN EXTRAPOLATION METHODFOR FINITE ELEMENT APPROXIMATION OF INTEGRODIFFERENTIAL EQUATIONS WITH PARAMETERS
Extrapolation finite element method in
2007/8/7
In this paper, we discuss the accelerating convergence method for finite element approximation of integro-differential equations with parameters. As applications, we give the error estimates of finite...
The splitting extrapolation is an important technique for solving multidimensional problems. In the case that error u~h-u has an asymptotic expansion of form Σc_αh~(2α), whereα=(α_1,…,α_s) and h~α=h_1...
THE EXTRAPOLATION METHOD FOR A CLASS OF NON-SMOOTH FREDHOLM INTEGRAL EQUATIONS
Finite element superconvergence extrapol
2007/8/7
For a class of non-smooth Fredholm integral equations we prove that Richardson extrapolation method can be used to increase accuracy for finite element methods. On the basis of local refinement mesh, ...
EXTRAPOLATION FOR FINITE ELEMENT METHODS OF THE FIRST KIND FREDHOLM INTEGRAL EQUATIONS
Extrapolation finite element method Fred
2007/8/7
In this paper,a numerical analysis of finite element methods for Fredholm equations of the first kind, which is based upon regularization, is made. It shows that extrapolation algorithms can accelerat...
For the variable coefficient elliptic eigenvalue problem on a smooth domain or aconvex polygonal domain,a numerical quadrature scheme over triangles is used for computing the coefficient of the result...