Application of the improved four-node element MISQ24 for geometrically nonlinear analysis of plate/shell structures

Nguyen Van Hieu, Chau Dinh Thanh and Nguyen Huu Anh Tuan ()
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Nguyen Van Hieu: Faculty of Civil Engineering, Ho Chi Minh City Univercity of Architecture, Vietnam
Chau Dinh Thanh: GACES, Faculty of Civil Engineering and Applied Mechanics, Vietnam
Nguyen Huu Anh Tuan: Faculty of Civil Engineering, Ho Chi Minh City Univercity of Architecture, Vietnam

HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, 2014, vol. 4, issue 1, 15-25

Abstract: In this paper the smoothed strain based four-node flat element MISQ24 with driiling degrees of freedom is extended for geometrically nonlinear analysis of plate and shell structures. The von-Karman's large deflection theory and the Total Lagrangian (TL) approach are employed in the formulation of the elements to describe small strain geometric nonlinearity with large deformations using the first-order shear deformation theory (FSDT). The predictive capability of the present models is demonstrated by comparing the present results with analytical/experimental and other numerical solutions available in the literature. Numerical examples show that the presented formulations can prevent loss of accuracy in severely distorted meshes, and therefore, are superior to those of other quadrilateral elements with inplanes rotations.

Keywords: Geometrically nonlinear analysis; plate/shell structures; smoothed finite elemen. (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:bjw:techen:v:4:y:2014:i:1:p:15-25

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