Ding Hao-jiang, He Wen-jun. The Improved Isoparametric Transformation in BEM[J]. Applied Mathematics and Mechanics, 1989, 10(8): 663-668.
Citation: Ding Hao-jiang, He Wen-jun. The Improved Isoparametric Transformation in BEM[J]. Applied Mathematics and Mechanics, 1989, 10(8): 663-668.

The Improved Isoparametric Transformation in BEM

  • Received Date: 1988-05-03
  • Publish Date: 1989-08-15
  • The so-called "Subjectivity Geometry" herein is a course for studying the relationship between the abstracted object configuration and its observed record by means of mathematical methods and described by matlieinatical language. There are many features differing from the common geometry when the effects of the subjectivity(such as the position of the observer, the functions of the visual system of human) are taken into account during the observing-recording process. In this paper, some basic assumptions are made; spherieal observing record is suggested: the fundamental relationship between the abstracted object configuration and its corresponding observed record is studied and an example of apiriication of the above theory is presented. We anticipate that the study of subjectivity geometry will influencc, or will be associated with the study of physiology of the visual system, applied optics etc., and will be useful in surveying, pilotage and imitative biology, etc.
  • loading
  • [1]
    Zienkiewicz,O.C.,The Finite Element Method(3rd edn),McGraw-Hill(1977).
    [2]
    Mullen,R.L.and G.Dickerson,An isoparametric finite element with decreased sensitivity to midside node location.Computers and Structures.17,4(1983),611-615.
    [3]
    Celia,M.A.and W.G.Gray,An improved isoparametric transformations for finite element analysis,Int.J.Numer.Meth.Engng.20(1984).1443-1459.
    [4]
    Soll,W.E.and W.G.Gray,Proportional isoparametric transformations for quadratic lagrangian finite elements,Engineering Analysis,2,2(1985),61-66.
    [5]
    Celia,M.A.,Improved co-ordinate transformations for finite elements:the Lagrange cubic case.Int.J.Numer.Meth.Engng.,23(1986),1529-1545.
    [6]
    Henshell.R.D.,D.Walters and G.B.Warburton,On the possible loss of accuracy in curved finite elements,J.Sound and Vib.,23(1972).510-513.
    [7]
    Lachat,J.C.and J.O.Watson,Effective numerical treatment of boundary integral equations:a formulation for three-dimensional elastostatics,Int.J.Numer.Meth.Engng.,10(1976),991-1005.
    [8]
    Brebbia,C.A.,J.C.F.Tells,L.C.Wrobel,Boundary Element Techniques:Theory and Applications in Engineering.Spinger-Verlag(1984).
    [9]
    张迪,三维修改等参元,数值计算与计算机应用,7,4(1986),232-246
    [10]
    杜庆华,《边界元——边界积分方程讲义》,浙江大学(1986).
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views (1581) PDF downloads(737) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return