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《Engineering Mechanics》 1993-01
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STUDY OF DISCRETE KIRCHHOFF THIN PLATE BENDING ELEMENT

Zhao Zhenfeng Chen Wanji (Dalian University of Technology)  
The discrete Kirchhoff thin plate bending element is deeply studied in this paper. The energy functional used in deriving discrete Kirchhoff elemente is divided into three parts, which are respectively expressed in the first strain invariant, a rotation couple and an integration round elemental boundary. It is pointed out that the first and third parts ensure the convergency of the element and the second part governs the computational accuracy. Based on the idea, a new way to improve the discrete Kirchhoff thin plate bending element is suggested and a new discrete Kirchhoff quadrilateral element is derived. Numerical examples show that the element presented here is obviously superior to existing similar elements in accuracy.
【Fund】: 国家基础性研究重大关键项目(攀登计划)资助
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【References】
Chinese Journal Full-text Database 1 Hits
1 Zhao Zhenfeng;Chen Wanji;Tang Limin(Dalian University of Technology,Dolian,116023,P.R.China);Refining matrix of thin plate bending element[J];;1994-03
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 HAN Jian-gang~1,HUANG Yi~2,BAO Ying~3(1.Fuzhou University,Fuzhou350002,China;2.Xi'an University of Architecture & Technology,Xi'an710055,China;3.Xi'an Institution of Technology,Xi'an710032,China);The application of multivariable wavelet finite element method in thickness plates[J];Building Science Research of Sichuan;2004-04
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3 Zhao Shiying Shi Zhifei (Department of Civil Engineering,Northern Jiaotong University, Beijing 100044);The Generalized Variational Principles for Piezoelectric Material[J];JOURNAL OF NORTHERN JIAOTONG UNIVERSITY;1997-04
4 Huang Shuping Shi Zhifei (College of Civil Engineering and Architecture,Northern Jiaotong University,Beijing 100044);The Generalized Variational Principles in Coupling System of Fluid saturated Porous Media[J];JOURNAL OF NORTHERN JIAOTONG UNIVERSITY;1998-01
5 Jiang Tao Sun Shouguang Li Qiang Miao Longxiu (College of Mechanical and Electrical Engineering, Northern Jiaotong University, Beijing 100044);An Investigation on the Axle Loads Caused by Wheelflats[J];JOURNAL OF NORTHERN JIAOTONG UNIVERSITY;1998-04
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【Co-references】
Chinese Journal Full-text Database 1 Hits
1 Tang Limin Chen Wanji Liu Yingxi;Quasi-Conforming Elements for Finite Element Analysis[J];;1980-02
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