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GAO Ji-mei LI Wen-hua 《数学季刊》2007,(3)
The main aim of this paper is to have an accurate analysis on the famous Adini's element for the second order problems under to the anisotropic meshes.We firstly show that the interpolation of Adini's element satisfy the anisotropic property.Then the optimal error estimate is obtained without the regularity assumption on the meshes. 相似文献
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The main aim of this paper is to have an accurate analysis on the famous Adini's element for the second order problems under to the anisotropic meshes. We firstly show that the interpolation of Adini's element satisfy the anisotropic property. Then the optimal error estimate is obtained without the regularity assumption on the meshes. 相似文献
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It is proved that the so-called a set of 12-parameter rectangular plate elements with high accuracy constructed by using double set parameter method and undetermined method are, in fact, the same one; the real shape function space is nothing but the Adini's element's, which has nothing to do with the other high degree terms and leads to a new method for constructing the high accuracy plate elements. This fact has never been seen for other conventional and unconventional, conforming and nonconforming rectangular plate elements, such as Quasi-conforming elements, generalized conforming elements and other double set parameter finite elements. Moreover, such kind of rectangular elements can not be constructed by the conventional finite element methods. 相似文献
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The main aim of this paper is to study the local anisotropic interpolation error estimates. We show that the interpolation of a nonconforming element satisfy the anisotropic property for both the second and fourth order problems. 相似文献
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Ping Luo 《计算数学(英文版)》1999,(6)
1.IntroductionItiswellknownthattheAdini'selementiscommonlyusedforapproximatingthesolutionofhighorderpartialdifferentialequations(suchasplateproblem).WhatresultscanwegetifwesolvesecondorderimhomogeneousNeumannellipticproblemusingAdini'selement?Weshall... 相似文献
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