QUADRILATERAL 4-NODE QUASI-CONFORMING PLANE ELEMENT WITH INTERNAL PARAMETERS

Wang Changsheng; Qi Zhaohui; Zhang Xiangkui; Hu Ping

doi:10.6052/0459-1879-14-167

Volume 46 Issue 6

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Chinese Journal of Theoretical and Applied Mechanics > 2014 > 46(6): 971-976. > DOI: 10.6052/0459-1879-14-167 CSTR: 32045.14.0459-1879-14-167

Wang Changsheng, Qi Zhaohui, Zhang Xiangkui, Hu Ping. QUADRILATERAL 4-NODE QUASI-CONFORMING PLANE ELEMENT WITH INTERNAL PARAMETERS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(6): 971-976. DOI: 10.6052/0459-1879-14-167

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QUADRILATERAL 4-NODE QUASI-CONFORMING PLANE ELEMENT WITH INTERNAL PARAMETERS

1 School of Automotive Engineering, Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, China
2 Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China
3 State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China

Funds: The project was supported by the Fundamental Research Funds for the Central Universities (3013-852020), the Key Project of the NSFC (10932003, 11272075,11301052, 11301045), "863" Project of China (2009AA04Z101) and "973" National Basic Research Project of China (2010CB832700).

Received Date: June 08, 2014
Revised Date: July 20, 2014

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Abstract

Abstract

A 4-node quadrilateral quasi-conforming plane element with internal parameters was proposed under the framework of quasi-conforming technique. New displacement functions with internal parameters can be added to the serendipity element Q4 to construct new isoparametric element. The explicit stiffness matrix of quasi-conforming element QC6N makes it more efficient. The numerical tests and comparisons with other 4-node isoparametric elements suggest that the present elements are more accuracy and less sensitive to the mesh distortion.
- quasi-conforming,
- internal parameters,
- plane element

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References

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QUADRILATERAL 4-NODE QUASI-CONFORMING PLANE ELEMENT WITH INTERNAL PARAMETERS