搜索结果: 61-75 共查到“理学 FINITE ELEMENT”相关记录92条 . 查询时间(0.125 秒)
The Optimal Order Error Estimates for Finite Element Approximations to Hyperbolic Problems
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2007/12/12
In this paper, the linear finite element approximation to the positive and symmetric, linear hyperbolic systems is analyzed and an $O(h^2)$ order error estimate is established under the conditions of ...
An Anisotropic Nonconforming Finite Element with Some Superconvergence Results
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2007/12/12
The main aim of this paper is to study the error estimates of a nonconforming finite element with some superconvergence results under anisotropic meshes. The anisotropic interpolation error and consis...
A SECOND ORDER CONTROL-VOLUME FINITE-ELEMENT LEAST-SQUARES STRATEGY FOR SIMULATING DIFFUSION IN STRONGLY ANISOTROPIC MEDIA
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2007/12/12
An unstructured mesh finite volume discretisation method for simulating diffusion in anisotropic media in two-dimensional space is discussed. This technique is considered as an extension of the fully ...
LOCAL AND PARALLEL FINITE ELEMENT ALGORITHMS FOR THE NAVIER-STOKESPROBLEM
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2007/12/12
Based on two-grid discretizations, in this paper, some new local and
parallel finite element algorithms are proposed and analyzed for the
stationary incompressible Navier-Stokes problem.
These algo...
TWO-SCALE FINITE ELEMENT DISCRETIZATIONS FOR PARTIAL DIFFERENTIALEQUATIONS
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2007/12/12
Some two-scale finite element discretizations are introduced for a
class of linear partial differential equations. Both boundary value
and eigenvalue problems are studied. Based on the two-scale err...
ANALYSIS OF A MIXED FINITE ELEMENT METHOD FOR A PHASE FIELD BENDING ELASTICITY MODEL OF VESICLE MEMBRANE DEFORMATION
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2007/12/12
In this paper, we study numerical approximations of a recently
proposed phase field model for the vesicle membrane deformation
governed by the variation of the elastic bending energy.
To overcome t...
A GALERKIN/LEAST-SQUARE FINITE ELEMENT APPROXIMATION OF BRANCHES OFNONSINGULAR SOLUTIONS OF THE STATIONARY NAVIER-STOKES EQUATIONS
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2007/12/12
In the author's previous paper [13], a Galerkin/Least-Square type finite
element method was proposed and analyzed for the stationary N-S equations. The
method is consistent and stable for any combin...
A NONCONFORMING ANISOTROPIC FINITE ELEMENT APPROXIMATION WITH MOVING GRIDS FOR STOKES PROBLEM
Stokes problem Nonconforming finite element Anisotrop Moving grids Error estimate
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2007/12/12
This paper is devoted to the five parameters nonconforming finite
element schemes with
moving grids for velocity-pressure mixed formulations of the nonstationary
Stokes problem in 2-D. We show that...
A SIMPLE FINITE ELEMENT METHOD FOR THE REISSNER-MINDLIN PLATE
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2007/12/11
A simple finite element method for the Reissner-Mindlin plate model in the primitive variables is presented and analyzed. The method uses conforming linear finite elements for both the transverse disp...
A NOTE ON THE FINITE ELEMENT METHOD FOR THE REISSNER-MINDLIN PLATE
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2007/12/11
In this short note we use the idea of R.Duran [5] and introduce a new low-order triangular element by replacing the nonconforming linear element for the rotation in [2] with the conforming linear elem...
A Finite Element Method for Singularly Perturbed Reaction-diffusion Problems
finite element method singularly perturbed
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2007/12/11
A finite element method is proposed for the singularly perturbed reaction-diffusion problem. An optimal error bound is derived, independent of the perturbation parameter.
Local and Parallel Finite Element Algorithms for Eigenvalue Problems
Eigenvalue finite element local algorithm
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2007/12/11
Some new local and parallel finite element algorithms are proposed and analyzed in this paper for eigenvalue problems. With these algorithms, the solution of an eigenvalue problem on a fine grid is re...
HIGH ACCURACY ANALYSIS OF ELLIPTIC EIGENVALUE PROBLEM FOR THE WILSON NONCONFORMING FINITE ELEMENT
Eigenvalue problems high accu
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2007/12/10
In this paper, the Wilson nonconforming finite element is considered for solving elliptic eigenvalue problems. Based on an interpolation postprocessing, superconvergence estimates of both eigenfuncti...
THE SPLITTING EXTRAPOLATION FOR FINITE ELEMENT METHOD
Splitting extrapolation parallel algori
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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 Note on Symplectic, Multisymplectic Scheme in Finite Element Method
symplectic structure finite element method
Euler-Lagrange cohomology
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2007/8/15
2001Vol.36No.3pp.259-262DOI:
A Note on Symplectic, Multisymplectic Scheme in Finite
Element Method
GUO Han-Ying,1 JI Xiao-Mei,1,2 LI Yu-Qi1 and WU Ke1
1 Institute of Th...