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  • 7:33 PM, Tuesday, 22 Sep 2020

Department of Mathematics
Natarajan E., Ph.D.
Associate Professor
Fax: +91-471-2568469

  • Ph.D Mathematics, IIT, Madras
  • M.Sc Mathematics, College of Engineering, Anna University, Chennai
  • B.Sc Mathematics, D.G.Vaishnav College, Arumbakkam, Chennai

Course Offered

M.Tech (Machine Learning and Computing)

MA614 Numerical Linear Algebra (3 Credits)

B.Tech (Aerospace, Avionics, Engineering Physics)

MA111 Calculus (4 credits)

MA122 Computer Programming and applications (3 credits)

MA211 Linear Algebra, Complex analysis and Fourier series (3 credits)

MA221 Partial differential equations, Calculus of Variations (3 credits)


  • Postdoctoral fellow, Dipartimento di Meccanica, Universita degli studi di cassino, Italy (Jan 2008-May 2008).
  • Visiting fellow, Institute of Mathematical Sciences, Chennai (June 2008-May 2009)
Teaching Experience:

Reader, Indian Institute of Space Science and Technology, Thiruvananthapuram  (May 2009 – Feb 2011)

Assistant Professor, Indian Institute of Space Science and Technology, Thiruvananthapuram (March 2011 – June 2017)

Research Work / Area

Virtual element methods for nonlinear problems.

Stabilization of convection diffusion reaction equations.

Developing preconditioner for Algebraic multgrid methods.

Funded Project

Project titled "Algebraic multigrid methods for sparse linear systems" with Vikram Sarabhai Space Centre (closed).

Teaching Interest

Numerical Analysis, Partial differential equations, Numerical linear algebra

Area of Interest

Virtual element methods for nonlinear problems.

Stabilization of convection diffusion reaction equations.

Preconditioner for algebraic multigrid methods.





DST-SERB travel grant to participate in MAFELAP conference held during June 18-21, 2019 at Brunel University, United Kingdom.

Participated in the conference Polytopal Element methods in science and engineering held at Marseille, France from 28th April to 3rd May, 2019.


(with D. Adak, S. Natarajan) Virtual element method for semilinear elliptic problems on polygonal meshes, Applied Numerical Mathematics (2019), Volume 145, 175-187.

(with D. Adak, S. Kumar) On the convergence of virtual element method for semilinear hyperbolic problems, Numerical methods for partial differential equations (2019), Volume 35, Issue 1, 222-245.

(with D. Adak, S. Kumar) Virtual Element Method For Semilinear Hyperbolic Problems on
Polygonal Meshes, International Journal of Computer Mathematics (2019), Volume 96, Issue 5, 971-991.

(with D. Adak, S. Kumar) A new nonconforming finite element method for convection dominated diffusion-reaction
equations, International Journal of Advances in Engineering Sciences and Applied Mathematics (2016), Vol 8, 274-283.

(with D. Adak) On the unisolvent nonconforming finite element method,
International Journal of Pure and Applied Mathematics (2016), Vol 108, Issue 2, 387-393.

On the Superconvergence of hp finite element method for parabolic equation,
International Journal of Advances in Applied Mathematics and Mechanics (2015), Volume 2, Issue 4, 35-40

(with S. Roy, Tanmay Basak) Effects of various thermal boundary conditions in a trapezoidal enclosure: Linearly heated
side wall(s), Numerical heat transfer Part B (2007), Volume 52, 551-568.

(with S. Roy, Tanmay Basak) Natural convection flows in a trapezoidal enclosure with uniform and nonuniform heated
bottom wall, International Journal of heat and mass transfer (2008), Volume 51, 747-756.

(with Tanmay Basak, S. Roy) Analysis of steady convective heating for molten materials processing within trapezoidal
enclosures, Industrial and engineering chemistry research (2008), Volume 47, 8652-8666.