Application of the spline finite strip to the analysis of shear-deformable plates |
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Authors: | J Kong and Y K Cheung |
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Affiliation: | Department of Civil and Structural Engineering, University of Hong Kong, Hong Kong |
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Abstract: | A spline finite strip is proposed to analyse thick isotropic or laminated composite plates. The formulation is based upon the principle of virtual work and the third-order plate theory developed by Reddy. The variational functional requires the satisfaction of C1,-continuity of the assumed vertical deflection variable which can be easily fulfilled by the present method. The proposed spline finite strip is a conforming element with a smaller number of unknowns at each node compared to other existing elements based on the third-order theory. For the analysis of thin isotropic or laminated plates, the present element shows no sign of shear locking. A number of computational examples are given to demonstrate the efficiency and the accuracy of the present method. |
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