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An improved discrete Kirchhoff quadrilateral thin‐plate bending element

1987; Wiley; Volume: 24; Issue: 3 Linguagem: Inglês

10.1002/nme.1620240312

1097-0207

C. Jeyachandrabose, J. Kirkhope, Lemmy Meekisho,

Composite Structure Analysis and Optimization

Abstract By combining discrete Kirchhoff theory with least‐squares smoothed shape functions, an improved quadrilateral thin‐plate bending element is derived. This element exhibits improved performance over an earlier DKQ element in predicting both displacements and stresses. Numerical examples are presented comparing the element with many other quadrilateral elements for standard test problems.