Dr. Samala Rathan Assistant Professor, Mathematics

  • Computational Methods for PDEs;
  • Numerical Schemes for Hyperbolic Conservation Laws;
  • Finite Difference and Finite Volume Methods


  •  rathans.math@iipe.ac.in,  rathan.maths@gmail.com              


  • 2015– 2018:  Ph.D. Visvesvaraya National Institute of Technology Nagpur, India
  • 2011 – 2013: M.Sc. Indian Institute of Technology Kharagpur, India
  • 2008 – 2011: B.Sc.  Vaagdevi Degree & P.G. College, Kakatiya University, Warangal, India.

Professional Experience

  • July 2019-present: Assistant Professor, Mathematics, Indian Institute of Petroleum & Energy, Visakhapatnam, AP, India.
  • Jan 2019-July 2019: Postdoctoral Fellow, Department of Mathematics, Indian Institute of Technology, Bombay, India

Teaching Engagements

  • BS10007: Engineering Mathematics-II (Spring 2020 at IIPE).
  • BS10001: Engineering Mathematics-I (Autumn 2019 at IIPE).
  • BS20007: Numerical Methods (Autumn 2019 at IIPE).
  • MA-214 : Numerical Analysis (Spring 2019 at IIT Bombay as a Tutor)

Awards and Honors

  • Institute Postdoctoral fellowship at IIT Bombay-2019.
  • NBHM postdoctoral  fellowship-2018. 
  • Direct CSIR-SRF (2017-2018). 

Member of Professional Bodies

  • Member, Society for Industrial and Applied Mathematics (SIAM)
  • Life Member, Indian Society of Theoretical and Applied Mechanics (ISTAM- L/1186)

Journal Publications

  1. Samala Rathan, Rakesh Kumar, Ameya D. Jagtap: L^1-type smoothness indicators based WENO scheme for nonlinear degenerate parabolic equations, Applied Mathematics and Computation, Vol 375, 125112, 2020.
  2. Ashlesha A. Bhise, G. Naga Raju, Samala Rathan, M. Devakar: An efficient hybrid WENO scheme with a problem independent discontinuity locator, International Journal for Numerical Methods in Fluids, Vol. 91 (1): 1-28, 2019
  3. Samala Rathan, G. Naga Raju: A modified fifth-order WENO scheme for hyperbolic conservation laws, Computers and Mathematics with Applications, Vol. 75(5): 1531-1549, 2018.
  4. Samala Rathan, G. Naga Raju: Improved weighted ENO scheme based on parameters involved in nonlinear weights, Applied Mathematics and Computation, Vol. 331: 120-129, 2018
  5. G. Naga Raju, Yogita Rathod, Samala Rathan: Improved third order weighted essentially non-oscillatory scheme, International Journal for Numerical Methods in Fluids, Vol. 87: 329–342, 2018
  6. Samala Rathan, G. Naga Raju: An improved non-linear weights for seventh-order weighted essentially non-oscillatory scheme, Computers & Fluids, Vol. 156: 496-514, 2017.
  7. G. Naga Raju, Yogita Rathod, Samala Rathan: Third order WENO scheme with a new smoothness indicator, International Journal for Numerical Methods in Fluids, Vol. 85: 90–112, 2017

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