[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.12989/sem.2012.41.2.205

New nine-node Lagrangian quadrilateral plate element based on Mindlin-Reissner theory using IFM

Dhananjaya, H.R. (Department of Civil Engineering, Nitte Meenakshi Institute of Technology)
Pandey, P.C. (Department of Civil Engineering, Indian Institute of Science)
Nagabhushanam, J. (Department of Aerospace Engineering, Indian Institute of Science)
Ibrahim, Zainah (Department of Civil Engineering, University of Malaya)

Publication Information

Structural Engineering and Mechanics / v.41, no.2, 2012 , pp. 205-229 More about this Journal

Abstract

This paper presents a new nine-node Lagrangian quadrilateral plate bending element (MQP9) using the Integrated Force Method (IFM) for the analysis of thin and moderately thick plate bending problems. Three degrees of freedom: transverse displacement w and two rotations ${\theta}_x$ and ${\theta}_y$ are considered at each node of the element. The Mindlin-Reissner theory has been employed in the formulation which accounts the effect of shear deformation. Many standard plate bending benchmark problems have been analyzed using the new element MQP9 for various grid sizes via Integrated Force Method to estimate defections and bending moments. These results of the new element MQP9 are compared with those of similar displacement-based plate bending elements available in the literature. The results are also compared with exact solutions. It is observed that the presented new element MQP9 is free from shear locking and produced, in general, excellent results in all plate bending benchmark problems considered.

Keywords

integrated force method; mindlin-reissner plate theory stress-resultant fields; displacement fields; shear locking;

Citations & Related Records

Times Cited By KSCI : 3 (Citation Analysis)
Times Cited By Web Of Science : 0 (Related Records In Web of Science)

Reference
Cited By KSCI

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