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Titolo:
Development of a new quadrilateral thin plate element using area coordinates
Autore:
Soh, AK; Long, ZF; Cen, S;
Indirizzi:
Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China UnivHong Kong Hong Kong Hong Kong Peoples R China Kong, Peoples R China China Univ Min & Technol, Beijing 100083, Peoples R China China Univ Min &Technol Beijing Peoples R China 100083 Peoples R China Tsing Hua Univ, Beijing 100084, Peoples R China Tsing Hua Univ Beijing Peoples R China 100084 ng 100084, Peoples R China
Titolo Testata:
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
fascicolo: 8-10, volume: 190, anno: 2000,
pagine: 979 - 987
SICI:
0045-7825(2000)190:8-10<979:DOANQT>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
BENDING ELEMENT;
Keywords:
finite elements; area coordinates; quadrilateral plate bending elements; generalized conforming approach;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Soh, AK Univ Hong Kong, Dept Mech Engn, Pokfulam Rd, Hong Kong, Hong Kong,PeoplesR China Univ Hong Kong Pokfulam Rd Hong Kong Hong Kong Peoples R China na
Citazione:
A.K. Soh et al., "Development of a new quadrilateral thin plate element using area coordinates", COMPUT METH, 190(8-10), 2000, pp. 979-987

Abstract

A new quadrilateral thin plate bending element with 12 degrees of freedom,called element ACGCQ, has been developed by employing both the area coordinates and the generalized conforming approach. The deflection field of the element is expressed as a polynomial, in terms of area coordinates, which is corresponding to a fourth order polynomial in terms of Cartesian coordinates x and y. The 12 generalized conforming conditions implemented are four-point and four-line compatibility conditions for the deflection w, and four-line compatibility conditions for the normal slope psi (n), Since the relation between the area and Cartesian coordinates is linear, the formulation of the element stiffness matrix is straight forward. Several numerical examples were employed to test the proposed element. The results obtained show that it possesses the advantage of high accuracy and reliability, rapid convergence and insensitivity to geometric distortion. (C) 2000 Elsevier Science S.A. All rights reserved.

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Documento generato il 02/07/20 alle ore 22:12:40