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《JOURNAL OF DALIAN UNIVERSITY OF TECHNOLOGY》 1997-06
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Refined nonconforming quadrilateral thin plate elements and their geometric invariance

Xue Hongyu ( Des. Inst. of Civil Eng., Dalian Univ. of Technol., China ) Chen Wanji ( Res. Inst. of Eng. Mechanics, Dalian Univ. of Technol., China )  
Based on the refined nonconforming method, the C 1 nonconforming quadrilateral thin plate elements RQP12 and RQP15 are established respectively. The numerical results are used to show that present elements possess high accuracy and satisfy the requirement of convergence. This paper also involves the discussion of the geometric invariance of nonconforming elements attained by interpolation in rectangular coordinates.
【Fund】: 国家自然科学基金
【CateGory Index】: O242.21
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