Author
Sundararajan Natarajan
Other affiliations: GE Aviation, Bauhaus University, Weimar, University of New South Wales ...read more
Bio: Sundararajan Natarajan is an academic researcher from Indian Institute of Technology Madras. The author has contributed to research in topics: Finite element method & Smoothed finite element method. The author has an hindex of 34, co-authored 181 publications receiving 4087 citations. Previous affiliations of Sundararajan Natarajan include GE Aviation & Bauhaus University, Weimar.
Papers
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TL;DR: In this paper, the flutter characteristics of sandwich panels with carbon nanotube (CNT) reinforced face sheets are investigated using QUAD-8 shear flexible element developed based on higher-order structural theory.
42 citations
TL;DR: An optimization scheme using the Cell-based Smoothed Finite Element Method (CS-FEM) combined with a GA framework is proposed in this paper to design shape adaptive laminated composite marine propellers.
42 citations
TL;DR: In this article, the authors discuss the application of non-uniform rational B-splines in the scaled boundary finite element method (SBFEM) for the solution of wave propagation problems at rather high frequencies.
42 citations
TL;DR: In this paper, the recently proposed linear smoothed extended finite element method (LSmXFEM) is employed to simulate the fatigue crack growth, which does not require special numerical integration technique to integrate the terms in the stiffness matrix.
40 citations
TL;DR: In this article, the static bending and free vibration of cross-ply laminated composite plates are studied using the non-uniform rational B-splines within the frame-work of isogeometric analysis.
Abstract: In this paper, we study the static bending and free vibration of cross-ply laminated composite plates us- ing sinusoidal deformation theory. The plate kinematics is based on the recently proposed Carrera Unied For- mulation (CUF), and the eld variables are discretized with the non-uniform rational B-splines within the frame- work of isogeometric analysis (IGA). The proposed ap- proach allows the construction of higher-order smooth functions with less computational eort. Moreover, within the framework of IGA, the geometry is represented exactly by the Non-Uniform Rational B-Splines (NURBS) and the isoparametric concept is used to dene the eld variables. On the other hand, the CUF allows for a systematic study of two dimensional plate formulations. The combination of the IGA with the CUF allows for a very accurate predic- tion of the eld variables. The static bending and free vi- bration of thin and moderately thick laminated plates are studied.Thepresentapproachalsosuersfromshearlock - ing when lower order functions are employed and shear locking is suppressed by introducing a modication fac- tor. The eectiveness of the formulation is demonstrated
39 citations
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31 Oct 2001
TL;DR: The American Society for Testing and Materials (ASTM) as mentioned in this paper is an independent organization devoted to the development of standards for testing and materials, and is a member of IEEE 802.11.
Abstract: The American Society for Testing and Materials (ASTM) is an independent organization devoted to the development of standards.
3,792 citations
TL;DR: An overview of the extended/generalized finite element method (GEFM/XFEM) with emphasis on methodological issues is presented in this article, which enables accurate approximation of solutions that involve jumps, kinks, singularities, and other locally non-smooth features within elements.
Abstract: An overview of the extended/generalized finite element method (GEFM/XFEM) with emphasis on methodological issues is presented. This method enables the accurate approximation of solutions that involve jumps, kinks, singularities, and other locally non-smooth features within elements. This is achieved by enriching the polynomial approximation space of the classical finite element method. The GEFM/XFEM has shown its potential in a variety of applications that involve non-smooth solutions near interfaces: Among them are the simulation of cracks, shear bands, dislocations, solidification, and multi-field problems. Copyright © 2010 John Wiley & Sons, Ltd.
1,228 citations
TL;DR: This manuscript is to give a practical overview of meshless methods (for solid mechanics) based on global weak forms through a simple and well-structured MATLAB code, to illustrate the discourse.
1,088 citations
TL;DR: The essential ingredients in the Virtual Element Method for a simple linear elliptic second-order problem are presented and its computer implementation is emphasized to enable interested readers to readily implement the method.
Abstract: We present the essential ingredients in the Virtual Element Method for a simple linear elliptic second-order problem. We emphasize its computer implementation, which will enable interested readers to readily implement the method.
582 citations
TL;DR: A review of carbon nanotube reinforced composite (CNTRC) materials can be found in this article, where the concept of functionally graded (FG) pattern of reinforcement has been applied for functionally graded carbon nanite reinforced composite materials.
541 citations