Abstract
Non-uniform rational B-Splines (NURBS) are used in Computer Aided Design (CAD) for many of their desired properties, including ability to accurately model complicated geometries. The newly developed Isogeometric finite element Analysis (IGA) method, based on the use of NURBS basis as the interpolation function, has the potential to revolutionize the industry, by integrating the design and analysis parts. This would otherwise not be possible with the conventional Finite Element Method (FEM) based on polynomial interpolation functions. This paper, presents static analysis of laminated composite plates of arbitrary material configuration using the isogeometric method based on first order as well as a semi refined Higher order Shear Deformation Theory (HSDT). Results from the developed computer program for IGA are compared with those from analytical as well as FE method for different problems with varying parameters and boundary conditions. The accuracy of the results demonstrates the capacity of the developed program for isogeometric analysis of such laminated composite plates.
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