ANALYSIS OF LAMINATED COMPOSITE PLATES USING ISOGEOMETRIC COLLOCATION METHOD
Isogeometric analysis (IGA) is a relatively new class of computational methods primarily aimed at integrating finite element analysis with Computer Aided Design (CAD) IGA adopts Non Uniform Rational B Spline (NURBS) functions as the basis functions to represent geometry and approximate the unknown field variable. The standard Galerkin based isogeometric approach has been extensively explored by researchers during the past decade and is being continued. Apart from the standard Galerkin based isogeometric approach, several other numerical schemes exist within the framework of isogeometric methods. Isogeometric collocation method is one such relatively new numerical procedure. Isogeometric collocation methods discretize the governing PDEs in strong form. In this study, the potential of isogeometric collocation methods for the static analysis of laminated composite plates using Reissner Mindlin plate theory is explored. Results of benchmark problems on bending of rectangular laminated composite plates subjected to sinusoidal and uniform loading are presented. The results obtained from the proposed isogeometric collocation method for the analysis of laminated composite plates have been assessed by comparing them with the solutions available in literature.