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Indian Institute of Technology Bhubaneswar
Indian Institute of Technology Bhubaneswar

Prof. T.V.S. Sekhar Professor
School of Basic Sciences

Research Interests

  • Numerical Methods to Partial Differential Equations
  • Computational Fluid Dynamics

Contact Details

  • SBS - 326
  • +91 674 713 5162
  • sekhartvs@iitbbs.ac.in, sekhartvs@yahoo.co.in

Other Profile Link(s)

Education

 Degree Discipline Year School
  Ph.D. Mathematics 1995 IIT Madras
  M.Sc. Applied Mathematics 1988 Andhra University
  B.Sc. Mathematics (Main) 1986 Andhra University
 

Biosketch

Visiting Faculty  University of Massachusetts Dartmouth (U MAss D), USA June 2013 to August 2013  Research and Teaching 
 
 
 
Position Duration
 Member, Board of Governors of IIT Bhubaneswar 01-01-2025 to present
 Head, School of Basic Sciences 30-10-2017 to 12-06-2022
 Professor In-Charge, Career Development Cell 7/2012 - 6/2014
 
 
 
 
 

Teaching

B.Tech : Mathematics - 1(1st semester), Mathematics - 2 (2nd semester), Transform calculus (3rd semester), Partial differential equations(4th semester Mechanical Engineering) 
M.Tech : Mathematical methods ( 1st semester)
M.Sc : Numerical Analysis (2nd semester), Numerical Analysis Lab (2nd semester), Numerical solutions of ordinary and Partial differential equations (3rd semester), Partial Differential Equations (4th semester), Continuum Mechanics (2nd Semester)
M.S. (University of Massachusetts Dartmouth, USA): Computational Fluid Dynamics

Projects

Title: Taylor column phenomena of axially translating sphere in a rotating fluid – a numerical study
Funding Agency: DST
Amount: 25,88,000/- INR
Duration: Jan 2020 to Jan 2023
Status: Completed
 
Title: Development of Higher Order Compact Scheme to capture Taylor column phenomena in rotating fluids
Funding Agency: DST
Amount: 21,26,000/- INR
Duration: Nov 2015 to June 2017
Status: Completed
 
Title: Development of Higher Order Compact Scheme to capture Taylor column phenomena in rotating fluids
Funding Agency: DST
Duration: Oct 2014 to Oct 2015 (Seed grant)
Status: Completed
 
Title: Validity of Quasi-static Approximation in Magneto hydrodynamic Flows and Heat Transfer – A Numerical Study.
Funding Agency: CSIR
Amount: 9,52,000/- INR
Duration: Nov 2012 to Nov 2015
Status: Completed
 
Title: Development of Higher Order Compact Difference Schemes for Fluid Dynamical Systems and Magnetohydrodynamics.
Funding Agency: IIT Bhubaneswar
Amount: 10,00,000/- INR
Duration: Aug 2012 to Jan 2015 (Seed grant)
Status: Completed

Recent Publications (International Journals)

12. Madhumita Sahoo, R. Sivakumar, T.V.S. Sekhar. “Study of natural convection due to translation of a heated sphere in a rotating fluid.” 2025. (Communicated/Under review)
21. Madhumita Sahoo, R. Sivakumar, T.V.S. Sekhar. “Mixed convection and Taylor column dynamics around a sphere in a rotating fluid.” 2025. (Communicated/Under review)
3Priyal Garg and T.V.S. Sekhar. "A novel hybrid GFD-RBF method for convection-diffusion problems." Accepted for publication in International Journal for Numerical Methods in Heat and Fluid Flow, 2025, https://doi.org/10.1108/HFF-12-2024-0956.
4Samit Ghosh, Subharthi Sarkar, and T.V.S. Sekhar. "Influence of magnetic field penetration in the hydromagnetic flow past a sphere." Accepted for publication in ZAMM - Journal of Applied Mathematics and Mechanics, Wiley, 2025, https://doi.org/10.1002/zamm.70012.
5Madhumita Sahoo, Bapuji Sahoo, and T.V.S. Sekhar. "Natural Convection Heat Transfer Around a Sphere in a Rotating Fluid." International Conference on Computational Heat and Mass Transfer, 81-90, 2023.(Springer Book Chapter)
6N.B. Barik, and T.V.S. Sekhar. "Multilevel meshfree RBF-FD method for elliptic partial differential equations." Engineering Mathematics and Computing, 1-10, 2022. (Springer Book Chapter)
7Bapuji Sahoo, Subharthi Sarkar, R. Sivakumar, and T.V.S. Sekhar. "The effect of rotating fluid with Taylor column on forced convective heat transfer." International Communications in Heat and Mass Transfer 137, 106222, 2022.
8 Bapuji Sahoo, Bikash Mahato, and T.V.S. Sekhar."A higher-order numerical analysis to study the flow physics and to optimize the design of a short-dwell blade coaters for higher efficiency." Journal of Physics: Conference Series 2090 (1), 012053, 2021.
9 Bapuji Sahoo, Subharthi Sarkar, R. Sivakumar, and T. V. S. Sekhar. "On the numerical capture of Taylor column phenomena in rotating viscous fluid." European Journal of Mechanics-B/Fluids 89: 126-138, 2021.
10Subharthi Sarkar, Bapuji Sahoo, and T.V.S. Sekhar. "Influence of magnetic field in the control of Taylor column phenomenon in the translation of a sphere in a rotating fluid." Physics of Fluids, 33(7), 2021.
11N.B. Barik, and T.V.S. Sekhar. "A modified multilevel meshfree algorithm for steady convection‐diffusion problems." International Journal for Numerical Methods in Fluids, 93(7), pp.2121-2135, 2021.
12P. Padhi, S. Udhayakumar, T.V.S. Sekhar, and R. Sivakumar. "Thermo-magneto-convection and mechanism of multiple eddy formation due to applied magnetic field in a lid-driven cavity." Engineering Research Express, 3(1), 015013, 2021.
13N.B. Barik, and T.V.S. Sekhar. "Mesh-free multilevel iterative algorithm for Navier–Stokes equations." Numerical Heat Transfer, Part B: Fundamentals, 79(3), 150-164, 2020.
14 S Ghosh, S Sarkar, R Sivakumar, T V S Sekhar "Forced convection magnetohydrodynamic flow past a circular cylinder by considering the penetration of magnetic field inside it" Numerical Heat Transfer, Part A: Applications, 76, 32-49, 2019.
15 S Sarkar, S Ghosh, R Sivakumar, T V S Sekhar "On the quasi-static approximation in the finite magnetic Reynolds number magnetohydrodynamic flow past a circular cylinder" European Journal of Mechanics-B/Fluids 77, 259-272, 2019.
16Abin Rejeesh, T. V. S. Sekhar and R. Sivakumar "Development of a higher order discretization scheme for solving fully nonlinear magnetohydrodynamics equations." Journal of Applied Analysis and Computation (Wilmington Scientific Publisher), 8, 42-65, 2018.
17 S Ghosh, S Sarkar, R Sivakumar, T V S Sekhar "Full magnetohydrodynamic flow past a circular cylinder considering the penetration of magnetic field" Physics of Fluids 30 (8), 087102, 2018.
18Nikunja Bihari Barik and T. V. S. Sekhar "Accommodative FAS-FMG multilevel based meshfree augmented RBF-FD method for Navier-Stokes equations in spherical geometry." Communications in Computer and Information Science (Springer), 655, 141-151, 2017.
19Abin Rejeesh, S Udhayakumar, T. V. S. Sekhar and R. Sivakumar "Prediction of better flow control parameters in MHD flows using a high accuracy finite difference scheme" American Journal of Computational Mathematics (Scientific Research Publishing, Canada), 7, 243-275, 2017.
20Abin Rejeesh, S Udhayakumar, T. V. S. Sekhar and R. Sivakumar "Mixed convection and heat transfer studies in non-uniformly heated buoyancy driven cavity flow" Open Journal of Fluid Dynamics (Scientific Research Publishing, South Korea), 7, 231-262, 2017.
21Nikunja Bihari Barik, and T.V.S. Sekhar. "A novel RBF-FD meshless scheme in curvilinear geometry for unbounded flows." Int. J. Comp. Meth. in Engg. Sci. and Mech. (Taylor and Francis), 18, 209-219. 2017
22Nikunja Bihari Barik and T. V. S. Sekhar "An efficient local RBF meshless scheme for steady convection-diffusion problems" Int. J. Computational Methods, Vol. 14 (2017) 1750064 (17 pages).
23S. Udhayakumar, A. D. AbinRejeesh, T. V. S. Sekhar and R. Sivakumar "Study of directional control of heat transfer and flow control in the magnetohydrodynamic flow in cylindrical geometry" Int. J. Heat and Fluid Flow, Vol. 61 (2016) 482-498.
24 S. Vimala, S. Damodaran, R. Sivakumar, T.V.S. Sekhar "The role of magnetic Reynolds number in MHD forced convection heat transfer." Applied Mathematical Modelling, Vol. 40, (2016) 6737-6753.
25 S. Udhayakumar, A. D. B. Rejeesh, T. V. S. Sekhar and R. Sivakumar. "Numerical investigation of magnetohydrodynamic mixed convection over an isothermal circular cylinder in presence of an aligned magnetic field". Int. J. Heat and Mass Transfer, 95 (2016) 379-292.
26 R. Sivakumar, S. Vimala, S. Damodaran and T. V. S. Sekhar . "Study of Heat Transfer Control with Magnetic Field Using Higher Order Finite Difference Scheme". Advances in Applied Mathematics and Mechanics, 8 (2016) 449-463.
27 T. V. S. Sekhar, B. Hema Sundar Raju and P.V.S.N. Murthy . "Higher order compact scheme for laminar natural convective heat transfer from a sphere". Applied Mathematical Modeling, 40 (2016) 2039-2055.
28 S. Udhayakumar, T. V. S. Sekhar, R. Sivakumar. "Numerical Experiments on the study of Mixed convection flow in cylindrical geometry."Numerical Heat Transfer Part A , 68 (2015) 870-886.
29 R. Sivakumar, S. Vimala, and T. V. S. Sekhar. "Influence of Induced magnetic field on thermal MHD flow."Numerical Heat Transfer Part A, 68 (2015) 797-811.
30S. Udhayakumar, T. V. S. Sekhar, and R. Sivakumar, "MHD mixed convective heat transfer over an isothermal circular cylinder using low Rm approximation," Fluid Mechanics and Fluid Power (FMFP) held at IIT Kanpur, during December 2014. (Book Chapter)
31T. V. S. Sekhar, R. Sivakumar, H.Kumar "Numerical solutions for steady viscous flow past a circular cylinder in an aligned magnetic field" Journal of Computational and Applied Mechanics (University of Miskolc, Hungary ) 9,201-210, 2014.
32 T. V. S. Sekhar and B. Hema Sundar Raju. "Spherical Geometry HOC Scheme to Capture Low Pressures within a Wake."Â East Asian Journal on Applied Mathematics, 3 (2013) 93-106.
33T. V. S. Sekhar and B Hema Sundar Raju "Fourth Order Accurate Free Convective Heat Transfer Solutions from a Circular Cylinder," World Academy of Sciences Engineering and Technology, 68, 2012. (Book Chapter)
34S. Damodaran and T. V. S. Sekhar. "Rear Separation in a Rotating Fluid at Moderate Taylor Numbers," World Academy of Sciences Engineering and Technology, 68, 2012. (Book Chapter)
35 T. V. S. Sekhar and B. Hema Sundar Raju. "An efficient Higher order compact scheme to capture heat transfer solutions in spherical geometry."Computer Physics Communications, 183 (2012) 2337-2345.
36 B. Hema Sundar Raju and T. V. S. Sekhar. "Higher order compact scheme combined with multigrid method for momentum, pressure Poisson and energy equations in cylindrical geometry."The Open Numerical Methods Journal, 4 (2012) 46-58.
37 T. V. S. Sekhar, R. Sivakumar, S. Vimala and Y. V. S. S. Sanyasiraju. "A combined fourth order compact scheme with accelerated multigrid method for energy equation in spherical polar coordinates."Electronic Transactions on Numerical Analysis, 39 (2012) 32-45.
38 T. V. S. Sekhar, R. Sivakumar, T. V. R. Ravi Kumar and S. Vimala. "Numerical simulations of highly non-linear coupled full MHD equations in spherical geometry".Int. J. Non-Linear Mechanics, 47 (2012) 599-615.
39T. V. S. Sekhar and B. Hema Sundar Raju and Y. V. S. S. Sanyasiraju. "Higher order compact scheme for incompressible Navier-Stokes equations in spherical geometry."Commun. Comp. Phys. 11(2012) 99-113.
40T. V. S. Sekhar, R. Sivakumar, K. Subbarayudu and Y. V. S. S. Sanyasiraju. "Non-monotonic behavior of forced convective heat transfer under the influence of external magnetic field."Numerical Heat Transfer Part A, 59 (2011) 459 – 486.
41T. V. S. Sekhar, R. Sivakumar and T. V. R. Ravi Kumar. "Effect of magnetic Reynolds number on 2-D hydromagnetic flow around a cylinder."Int. J. Num. Meth. in Fluids, 59 (2009) 1351-1368.
42 T. V. S. Sekhar, R. Sivakumar, T. V. R. Ravi Kumar and K. Subbarayudu. "High Reynolds number incompressible MHD flow under low Rm approximation."Int. J. Non-Linear Mechanics, 43 (2008), 231-240.
43 T.V.S. Sekhar, Rajagopalan Sivakumar, Harish Kumar "Effect of aligned magnetic field on the steady viscous flow past a circular cylinder." Applied mathematical modelling, 31 (1), 130-139, 2007.
44 T.V.S. Sekhar, R Sivakumar, TVR Ravi Kumar. "Flow around a circular cylinder in an external magnetic field at high Reynolds numbers" International Journal of Numerical Methods for Heat & Fluid Flow 16 (6), 740-759, 2006.
45T.V.S. Sekhar, R Sivakumar, TVR Ravi Kumar "Magnetohydrodynamic flow around a sphere." Fluid dynamics research 37 (5), 357-373, 2005.
46T.V.S. Sekhar, R Sivakumar, TVR Ravi Kumar "Incompressible conducting flow in an applied magnetic field at large interaction parameters." Applied Mathematics Research eXpress 2005 (5), 229-248, 2005.
47T.V.S. Sekhar, R Sivakumar, TVR Ravi Kumar "Drag and pressure fields for the MHD flow around a circular cylinder at intermediate Reynolds numbers." Journal of Applied Mathematics 2005 (3), 183-203, 2005.
48T.V.S. Sekhar, R Sivakumar, Harish Kumar "Numerical study of steady flow past a sphere in an aligned magnetic field." Computational Methods in Applied Mathematics 4 (2), 215-227, 2004.
49 T.V.S. Sekhar, R Sivakumar, and Harish Kumar. "MHD flow past a sphere at low and moderate Reynolds numbers." Computational Mechanics 31 (5), 437-444, 2003.
50 CV Raghava Rao, T.V.S. Sekhar. "MHD flow past a circular cylinder–a numerical study." Computational mechanics 26 (5), 430-436, 2000.
51 CV Raghava Rao, T.V.S. Sekhar. "Translation of a sphere in a rotating viscous fluid: a numerical study."International journal for numerical methods in fluids 20 (11), 1253-1262, 1995.
52 CV Raghava Rao, T.V.S. Sekhar. "The flow past a spinning sphere in a slowly rotating fluid at small reynolds numbers—A numerical study." International journal of engineering science 31 (9), 1219-1231, 1993.
53CV Raghava Rao, T.V.S. Sekhar. "Numerical solution of the slow translation of a sphere moving along the axis of a rotating viscous fluid." International Journal of Computational Fluid Dynamics 1 (4), 351-359, 1993.

Conferences (International)

1"Numerical Investigation of Convective Heat Transfer Around a Translating Sphere in A Rotating Fluid" at the Recent Advances in Applied Mathematics (RAAM - 2025) conference held at the University of Colombo, Sri Lanka, during 4 - 6 March 2025. (Invited Talk)
2Madhumita Sahoo and T.V.S. Sekhar, "The influence of Taylor column on heat transfer in a rotating fluid ", 26th Congress of Theoretical and Applied Mechanics (ICTAM 2024) held at Daegu, South Korea, during 25 - 30 August 2024.
3Madhumita Sahoo and T.V.S. Sekhar, "Natural Convection Heat Transfer Around a Sphere in a Rotating Fluid", 14th International Conference on Computational Heat and Mass Transfer (ICCHMT 2023) held at Dusseldorf, Germany, during 4 - 8 September 2023.
4"Efficient GFD Scheme for Convection Dominated Flows " at the International Conference on Recent Advances in Applied Mathematics (RAAM 2023) held at BITS, Dubai, during 20 - 22 June 2023. (Invited Talk)
5Samit Ghosh, S. Sarkar and T.V.S. Sekhar, "Numerical Simulation of MHD flow past a sphere considering induced magnetic field in the entire domain", 19th International Conference on Computational and Mathematical Methods in Science and Engineering (CMMSE 2019) held at Rota, Cadiz, Spain, during June 30 - July 6, 2019.
6 S. Sarkar, Samit Ghosh and T.V.S. Sekhar, "Numerical solution of steady full MHD equations by penetrating magnetic field inside the cylinder" at the First IEEE International Conference on Computational Mathematical Methods in Engineering and Technology (iCOMET-2017) held at the Royal Melbourne Institute of Technology University (RMIITU), Melbourne, Australia, during 18 - 20 December 2017.
7N. B. Barik and T.V.S. Sekhar, "Augmented RBF-FD method for unbounded domains", IMA conference on Numerical Methods for Simulation held at the Mathematical Institute, University of Oxford, UK, during 1 - 4 September 2015.
8"Higher Order Compact Scheme to capture low pressures within a wake and heat transfer solutions in spherical geometry" at the Indo-German Conference on Modelling, Simulation and Optimisation held at TU Darmstadt, Germany, during 5 - 7 September 2012. (Invited Talk)

Conferences (National)

1Madhumita Sahoo, Bapuji Sahoo and T. V. S. Sekhar, "Mixed Convection Heat Transfer around a Sphere in a Rotating Fluid", FMFP 2023 held at IIT Jodhpur, in 2023.
2Priyal Garg and T. V. S. Sekhar, "An Efficient Generalized Finite Difference Method for Elliptic PDEs", ICAMM 2023 held at IIT Indore, in 2023.
3Paramananda Padhi, T. V. S. Sekhar, R. Sivakumar, "Effect of Magnetic Field on the Mixed Convection Nanofluid flow in Lid Driven Cavity", 64th CONGRESS OF ISTAM (2019) held at IIT Bhubaneswar in 2019.
4Samit Ghosh, Subharthi Sarkar, T. V. S. Sekhar "MHD forced convection flow in spherical geometry considering induced magnetic field in the entire domain ", 64th CONGRESS OF ISTAM (2019) held at IIT Bhubaneswar in 2019.
5Subharthi Sarkar, Bapuji Sahoo, T. V. S. Sekhar, "Influence of magnetic field in controlling Taylor Column in the slow translation of a sphere in a rotating fluid", 64th CONGRESS OF ISTAM (2019) held at IIT Bhubaneswar in 2019.
6 Bapuji Sahoo, Subharthi Sarkar, T. V. S. Sekhar, "Higher Order Compact Scheme for Flow Past a Spinning Sphere in a Slowly Rotating Viscous Fluid", 64th CONGRESS OF ISTAM (2019) held at IIT Bhubaneswar in 2019.
7Bapuji Sahoo, Subharthi Sarkar, T.V.S Sekhar, "Higher Order Compact Scheme for Slow Motion of a Sphere in a Rotating Fluid" , 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP)(2018). held at IIT Bombay in 2018
8Samit Ghosh, Subharthi Sarkar, T.V.S Sekhar, "Heat transfer analysis of MHD flow past a circular cylinder with penetration of magnetic field inside it", 7th International and 45th National Conference on Fluid Mechanics and Fluid Power(FMFP)(2018). held at IIT Bombay in 2018
9Samit Ghosh, Subharthi Sarkar, T V S Sekhar, "MHD forced convection flow in cylindrical geometry considering induced magnetic field in the entire domain" at the ISTAM(2017), held at Osmania University Hydearabad in 2017.
10Samit Ghosh, Subharthi Sarkar, T V S Sekhar, "Numerical solution of low Re full MHD flow past a circular cylinder by allowing the penetration of induced magnetic field" at the ISTAM(2017), held at Osmania University Hydearabad in 2017.
11Indo-German Conference on Modelling, Simulation and Optimisation in Applications held at the Department of Mathematics, Bankura University, West Bengal, India, in February 2017.
12Nikunja Bihari Barik and T. V. S. Sekhar, "Accommodative FAS-FMG multilevel based meshfree augmented RBF-FD method for Navier-Stokes equations in spherical geometry", International Conference on Mathematics and Computing held at HIT, Haldia, India during January 17-21, 2017.
13Nikunja Bihari Barik and T. V. S. Sekhar, "Multilevel RBF-FD method for Navier-Stokes equations", International Conference on Advances in Scientific Computing held at IIT Madras during 28-30 November 2016.
14Nikunja Bihari Barik and T. V. S. Sekhar, "An efficient upwind-based RBF-FD method for steady convection-diffusion problems", International conference on current trends in PDEs Theory & Computations organised by Faculty of Mathematics & Computer Science, South Asian University, New Delhi, during 28-30 December 2015.
15A. D. Abin Rejeesh, T. V. S. Sekhar and R. Sivakumar, "Study of high Reynolds number MHD flow stabilized with magnetic and its heat transfer", 5th International Congress on Computational Mechanics and Simulation (ICCMS), organized by CSIR-SERC, Chennai, during 10 - 13th December 2014
16S. Udhayakumar,T. V. S. Sekhar and R. Sivakumar, "Study of Magnetohydrodynamic mixed convective heat transfer over an isothermal circular cylinder", 5th International Congress on Computational Mechanics and Simulation (ICCMS), organized by CSIR-SERC, Chennai, during 10 - 13th December 2014
17A.D Abin Rejeesh, T. V. S. Sekhar and R. Sivakumar, "High-accuracy solution of the fully nonlinear MHD flow problem in cylindrical geometry", Fluid Mechanics and Fluid Power (FMFP) held at IIT Kanpur, during December 2014,
18S. Damodaran and T. V. S. Sekhar, "Front separation in rotating fluids at moderate values of inverse Rossby number" at the Discrete Simulation and Fluid Dynamics(DSFD) organized jointly by JNCASR Bangalore and Maths Science Chennai in 23 - 27th July 2012.
19S. Vimala, R. Sivakumar and T. V. S. Sekhar, "Full MHD flow control over a sphere and heat transfer at low magnetic Prandtl numbers", IUTAM symposium on Bluff Body Flows, held at IIT Kanpur in Dec.12-16, 2011.
20S. Vimala, R. Sivakumar and T. V. S. Sekhar, "Full MHD heat transfer solutions from a sphere at moderate magnetic Reynolds numbers", 1AICFM conference held at IIT Madras, during Nov. 21-23, 2011.
21B. Hema Sundar Raju and T. V. S. Sekhar, "Higher order compact scheme for incompressible Navier-Stokes equations in cylindrical geometry", 11AICFM conference held at IIT Madras, during Nov. 21-23, 2011.
22S. Vimala, R. Sivakumar and T. V. S. Sekhar, " Forced convective heat transfer subject to aligned magnetic field using higher order compact scheme", International Conference on Mathematical Modelling and Applications to Industrial Problems (MMIP 2011) held at NIT Calicut during 27 - 31st March 2011.
23T. V. S. Sekhar and B. HemaSundar Raju, "Higher-order compact scheme for the steady stream-function vorticity equations in spherical geometry", 4th Int. Conference on Fluid Mechanics and Fluid Power FMFP IIT Madras, Chennai, during December 2010.
24T. V. S. Sekhar, R. Sivakumar and S. Vimala, "On the effective control of flow separation around a sphere at low magnetic Reynolds numbers", 4th Int. Conference on Fluid Mechanics and Fluid Power FMFP IIT Madras, Chennai, during December 2010.
25C. Devi Charan, S. Ajay Kumar, B. Hema Sundar Raju, R. Sivakumar, K. Subbarayudu and T. V. S. Sekhar", Steady laminar forced convection from a circular cylinder using Higher order compact schemes", 4th Int. Conference on Fluid Mechanics and Fluid Power FMFP IIT Madras, Chennai, during December 2010.
26S. Vimala, R. Sivakumar and T. V. S. Sekhar, "Forced convective heat transfer at low magnetic Reynolds numbers without using Quasi-static approximation". 5th Int. Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM), held at IIT Kharagpur, during December 2010.
27B. Hema Sundar Raju and T. V. S. Sekhar, "Higher order accurate heat transfer solutions from a sphere at low and moderate Reynolds numbers", 5th Int. Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM), held at IIT Kharagpur, during December 2010.
28T. V. S. Sekhar, R. Sivakumar and S. Vimala, "A Mathematical model for the flow control at low values of magnetic Prandtlnumbers", Indian Mathematical Society (IMS) Platinum jubilee 75th annual Conf. Dec. 2009.
29T. V. S. Sekhar, R. Sivakumar and S. Vimala, "Higher order compact scheme combined with accelerated multigrid method to PDE", National conference on Analysis of Partial Differential Equations held at Pondicherry University during 18 - 19th December 2009.
30T. V. S. Sekhar and S. Damodaran, "A stable higher order accurate finite difference scheme for solving PDE" National conference on Analysis of Partial Differential Equations held at Pondicherry University during 18 - 19th December 2009.
31T. V. S. Sekhar, R. Sivakumar and S. Vimala, "Full MHD solutions for a 2D axisymmetric flow at moderate values of Stuart’s number" Proceedings of ICAMB 2009 held at VIT, Vellore during 16 - 18th December 2009.
32M.Sairam, V.V. Chandran, T. V. S. Sekhar, R. Sivakumar and K. Subbarayudu, "Heat Transfer from a sphere at low moderate and High Reynolds numbers", The Indian Society of Theoretical and Applied Mechanics’ (ISTAM), held at IIT Kharagpur during14-17 December 2007.
33T. V. S. Sekhar, R. Sivakumar, T. V. R. Ravi Kumar and K. Subbarayudu, "Effect of magnetic Reynolds number on the electrically conducting flow", 3rd Int. conference on Fluid Mechanics and Fluid Power held at IIT Bombay, during 7 - 9 December 2006.
34R. Sivakumar, T. V. S. Sekhar and T. V. R. Ravi Kumar, "Suppression of flow-separation behind a bluff body", 3rd Int. conference on Fluid Mechanics and Fluid Power held at IIT Bombay, during 7 - 9 December 2006.
35T. V. S. Sekhar, R. Sivakumar, T. V. R. Ravi Kumar, and Umamaheswara Rao, "Conducting fluid flow over a sphere under low Rm approximation at high Reynolds numbers.", 50th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM) held at IIT Kharagpur, during 14 - 17 December 2005.
36T. V. S. Sekhar, R. Sivakumar and T. V. R. Ravi Kumar, "MHD flow around a cylinder at moderate Reynolds numbers", 49th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM) held at NIT Rourkela, during 27 - 30 December 2004.
37T. V. S. Sekhar and T. V. R. Ravi Kumar, "Multigrid method and Navier-Stokes equations", Int. conference on Industrial Mathematics ICIM-2001 held at IIT Madras, during 12-14 August 2001.
38T. V. S. Sekhar and T. V. R. Ravi Kumar, "Multigrid method to flow past a cylinder", Int. conference on Industrial Mathematics ICIM-2001 held at IIT Madras, during 12-14 August 2001.
 

Academic Honors & Awards

  • Received ITS grant from SERB to deliver a talk at ICCHMT conference held in Dusseldorf, Germany in 2023
  • Teaching Excellent Award from IIT Bhubaneswar in February 2016
  • Received ITS grants from SERB to deliver a talk at Oxford University, UK in 2015
  • Visiting Scholar fellowship from the University of Massachusetts Dartmouth, USA in 2013
  • Awarded RA of CSIR in 1995 (All over India level selections)
  • Awarded SRF of CSIR in 1993 (All over India level selections)
  • Qualified GATE-1990 (All over India level selections)
 

Research Scholar

PhD Guidance:
 
Completed: 5
Ongoing    : 3
 
Post Doctoral Guidance:
 
Completed: 3
Ongoing    : 1
 
M.Sc. Project Guidance
 
Completed : 21
Ongoing     : 1
 
 
 
 

Professional Experience

To view the Professional Experience check the "Others" section of the profile.

Work Experience

  •  07-11-2019 onwards: Professor, IIT Bhubaneswar, Bhubaneswar.
  • 16-05-2012 to 06-11-2019: Associate Professor, IIT Bhubaneswar, Bhubaneswar.
  • 24-03-2010 to 15-05-2012: Associate Professor, Pondicherry Engineering College (currently known as Puducherry Technological University).
  • 24-03-2007 to 23-03-2010: Assistant Professor, Pondicherry Engineering College (currently known as Puducherry Technological University)
  • 24-03-2004 to 23-03-2007: Senior Lecturer, Pondicherry Engineering College (currently known as Puducherry Technological University).
  • 24-03-2000 to 23-03-2004: Lecturer, Pondicherry Engineering College (currently known as Puducherry Technological University)
  • 11-08-1994 to 09-02-2000: Lecturer, P.G. Center of Nagarjuna University, Andhra Pradesh.

 
 

Administrative/Institute Activities

  •  Member, Board of Governors of IIT Bhubaneswar, 01/01/2025 to Present
  • Senate Member, IIT Bhubaneswar, 30/10/2017 onwards
  • Head, School of Basic Sciences, 30/10/2017 to 12/05/2022.
  •  Institute representative for JEE(Advanced) – 2024.
  • Member, PGPEC, 30/10/2017 to 12/05/2022.
  • Member, UGPEC, 30/10/2017 to 12/05/2022.
  • Organizer, 64th Congress on Indian Society of Theoretical and Applied Mechanics (ISTAM-2019) conference.
  • Vice president, 64th Congress on Indian Society of Theoretical and Applied Mechanics (ISTAM-2019) conference.
  • Coordinator, Convocation Reception committee, March 2018.
  • Senate Nominee, Library Advisory Committee, 09/12/2016 to 09/12/2018.
  • In-charge of PhD admissions in the mathematics discipline during Autumn 2016.
  • Dean's nominee for Q-test and viva conducted by schools of Infrastructure, Mechanical, Electrical, Earth Ocean Climate Sciences and Minerals & Metallurgical Engineering for 10 students during 2015-16.
  • Member of scrutinizing committee for the faculty applications in Mathematics 2013.
  • Institute representative for GATE – 2013 Organized by IIT Kharagpur.
  • Senate Member, IIT Bhubaneswar, 24/09/2012 to 11/01/2015.
  • Professor in Charge, Career Development Cell, July 2012 to June 2014.
  • Seminar coordinator of School of Basic Sciences, Autumn 2012, and Spring 2013.
  • Member Standing Sub-Committee for the continuing Education Program, November 2012.
  •  Member of Centralized Admissions Committee (CENTAC), Govt. of Puducherry for consecutive four years (June 2001 – June 2005).
  • In charge for Ph. D admissions in the Department of Mathematics for two consecutive academic years 2008-2009 and 2009-2010.
  •  Warden for P.G hostel for three years during the academic periods 2000 - 2001 and 2007-2009.

 
 

Academic Foreign Visits

  • Recent Advances in Applied Mathematics (RAAM - 2025) conference, held at the University of Colombo, Sri Lanka, during March 4 – 6, 2025.
  • 26th Congress of Theoretical and Applied Mechanics (ICTAM 2024), held at Daegu, South Korea, in August 2024.
  • 14thInternational Conference on Computational Heat and Mass Transfer (ICCHMT 2023) held at Dusseldorf, Germany, during 4 - 8 September 2023.
  • Recent Advances in Applied Mathematics (RAAM 2023) held at BITS, Dubai, during 20 - 22 June 2023.
  • 19thInternational Conference on Computational and Mathematical Methods in Science and Engineering (CMMSE 2019) held at Rota, Cadiz, Spain, during June 30 - July 6, 2019.
  • First IEEE International Conference on Computational Mathematical Methods in Engineering and Technology (ICOMET-2017) held at the Royal Melbourne Institute of Technology University, Melbourne, Australia, during 18 - 20 December 2017.
  • IMA conference on numerical methods for simulation in the Mathematical institute, Oxford University, UK during 1-4 September 2015.
  • Visiting Scholar, University of Massachusetts, Dartmouth USA during 8th June – 8th Aug. 2013.
  • Indo-German conference 2012, 5-7 September 2012 held at TU Darmstadt, Germany.

 
 

Shortlisting / Selection Committee Member at IIT Bhubaneswar

  • Professor Shortlisting Committee Member, Department of Mathematics, Autumn 2024
  • Visiting Professor Shortlisting and Selection Committee Member, Department of Mathematics, Spring 2024
  • Faculty Recruitment Shortlisting Committee Member, Department of Mathematics, Spring 2024
  • Faculty Recruitment Shortlisting Committee Member, Department of Mathematics, Autumn 2023
  • Visiting Professor Shortlisting and Selection Committee Member, Department of Mathematics, Spring 2023
  • Faculty Recruitment Shortlisting Committee Member, Department of Mathematics, Spring 2022
  • Chairman, Shortlisting Committee, and Member, Selection Committee for Faculty Recruitment, SBS, Spring 2020
  • Chairman, Shortlisting Committee, and Member, Selection Committee for Faculty Recruitment, SBS, Autumn 2019
  • Chairman, Shortlisting Committee, and Member, Selection Committee for Faculty Recruitment, SBS, Spring 2019
  • Chairman, Shortlisting Committee, and Member, Selection Committee for Faculty Recruitment, SBS, Autumn 2018
  • Faculty Recruitment Shortlisting Committee Member, Department of Mathematics, Spring 2013
  • Chairman, Shortlisting Committee for the Post of JAO, Autumn 2012

Shortlisting/Selection Committee Member (Outside IIT Bhubaneswar)

  • Faculty Recruitment Selection Committee Member, June 2025, NIT Warangal, Telengana.
  • Faculty Recruitment Selection Committee Member, May 2025, VIT-AP, Andhra Pradesh.
  • Faculty Recruitment Selection Committee Member, December 2024, NIT Meghalaya, Meghalaya.
  • Faculty promotions shortlisting committee Member, October 2024, National Institute of Science Education and Research (NISER), Bhubaneswar.
  •  Faculty promotions shortlisting committee Member, November 2023, National Institute of Science Education and Research (NISER), Bhubaneswar.
  •  Faculty Recruitment Selection Committee Member, October 2023, NIT Warangal, Telangana.
  • Faculty Recruitment Selection Committee Member, December 2022, NIT Jalandhar, Punjab.
  • Faculty Recruitment Selection Committee Member, November 2022, held at Ravenshaw University, Cuttack, Odisha.
  •  Faculty promotions shortlisting committee Member, October 2022, National Institute of Science Education and Research (NISER), Bhubaneswar.
  •  Faculty Recruitment Selection Committee Member, Jan 2022, Sri-Sri University, Odisha.
  • Faculty promotions shortlisting committee Member, October 2021, National Institute of Science Education and Research (NISER).
  • Faculty Recruitment Selection Committee Member, December 2020, Indira Gandhi Institute of Technology, Sarang, Odisha.

 
 

Chairing Sessions in International Conferences

  •  Recent Advances in Applied Mathematics (RAAM - 2025) conference held at the University of Colombo, Sri Lanka, during 4 - 6 March 2025.
  • 26thCongress of Theoretical and Applied Mechanics (ICTAM 2024) held at Daegu, South Korea, during 25 - 30 August 2024.
  •  2nd International Conference on. Recent Advances in Applied Mathematics. (RAAM 2024), held at IIT BHU, during July 3-5, 2024.
  • Recent Advances in Applied Mathematics (RAAM 2023) held at BITS, Dubai, during 20 - 22 June 2023.
  • 5thInt. Congress on Computational Mechanics and Simulation (ICCMS), CSIR-SERC, Chennai, during December 10-13, 2014.
  • National conference on Emerging Trends in Mathematical Sciences and Engineering Applications, JNTU Kakinada during May 23-24, 2014.
  • National conference NCEOM conducted by SRM University, Chennai during January 29-30, 2008.

 
 

Invited Talks

  •  “An Efficient Hybrid Meshless Method for Non-homogeneous Nonlinear PDEs” in the National conference 'Data Predictive Analytics and Numerical Simulations, held at IIT Dhanbad, during April 23-25, 2025.
  • “Numerical Investigation of Convective Heat Transfer Around a Translating Sphere in A Rotating Fluid” at the Recent Advances in Applied Mathematics (RAAM - 2025) conference, held at the University of Colombo, Sri Lanka, during March 4 – 6, 2025.
  • “Hybrid GFD-RBF Meshless Method for Elliptic PDEs” in the Department of Mathematics, Pondicherry University on 9thSeptember 2024.
  •  Chaired a session in the 26thCongress of Theoretical and Applied Mechanics (ICTAM 2024), held at Daegu, South Korea, in August 2024.
  • “Hybrid GFD-RBF Meshless Method for Convection-Diffusion Problems” in the RAAM 2024, held at IIT BHU, during July 3-5, 2024.
  •  “Heat Transfer from a Sphere in a Rotating Viscous Fluid-A Numerical Study” at the AFSI 2024, held at IIT Dhanbad, in February12-16, 2024.
  •  “Meshfree finite difference method for convection-diffusion problems” at the AFSI 2024, held at IIT Dhanbad, during February 10-16, 2024.
  •  “Multilevel Meshless Finite Difference Method for Boundary-Value Problems” at the Int, Conf. on Complex Analysis and Computational Fluid Dynamics (ICCACFD), held at KIIT Bhubaneswar, during February 16-18, 2024.
  • “Multi-level Generalized finite difference method for convection-diffusion equations” Int. Symposium on Recent Trends in Numerical Methods for Convection-Diffusion-Reaction, Fluid Flows and Allied Topics, held at IIT Kanpur, during January 20-21, 2024.
  •  “Efficient GFD Scheme for Convection Dominated Flows” at the International Conference on Recent Advances in Applied Mathematics (RAAM 2023) held at BITS, Dubai, during 20 - 22 June 2023.
  • “Introduction to Higher Order Compact Schemes” in WAMSC- 2022, held at SASTRA University, Tamil Nadu, on 29thDecember 2022.
  • “Validity of Quasi- Static Approximation in MHD Flow Past a Circular Cylinder” in the Applied Mathematics in Science and Engineering (AMSE-2019), held at SOA University, during October 24-26, 2019
  •  “Basics on Higher Order Compact Schemes” in Faculty Development Program, held at KIIT University, 2017.
  •  “Multilevel RBF-FD meshless method for convection-diffusion problems” in ISTP 2016 conference, held at SRM University, Chennai, during November 4-5, 2016.
  •  Chaired a session in 5th In. Conf. on Computational Mechanics and Simulations (ICCMS) organized by CSIR- SERC, Chennai, during December 10-13, 2014
  •  “The Role of Magnetic Reynolds Number in Controlling Flow Separation and Heat Transfer” in the National Conference on Emerging Trends in Mathematical Sciences and Engineering Applications, organized by Jawaharlal Nehru Technological University Kakinada, during May 23 – 24, 2014. (also chaired a session) 
  • “Higher order accurate heat transfer solutions and Pressure fields in spherical geometry” at the Department of Mathematics, GITAM University, Visakhapatnam, on 26thJuly 2014.
  •  “Higher Order Compact Scheme to incompressible Navier-Stokes equations in Spherical geometry” at the Department of Mathematics, GITAM University, Visakhapatnam, on 26thJuly 2014. 
  •  “Higher Order Compact Scheme to capture low pressures within a wake and heat transfer solutions in spherical geometry” at the Indo-German Conference on Modelling, Simulation and Optimization, held at TU Darmstadt, Germany, during September 5 – 7, 2012. 
  • Two lectures on “Numerical Methods to PDEs” in a Refresher course for faculty in Mathematics, Academic staff college, Pondicherry University, during December 2011.
  • Two lectures on Higher Order Compact Schemes in spherical geometry in the Department of Mathematics, Vellore Institute of Technology Vellore, during October, 2011.
  • Two lectures on “Finite difference methods to solve ODEs and PDEs” in a Refresher course for faculty in Physics, Academic staff college, Pondicherry University, during March 2010.
  • “Validity of Quasi-Static approximation in MHD flows” in the Int. Conference conducted by SRM University, Chennai, during 29-30 January 2008.

 
 

Reviewer for the International Journals

  • Journal of Fluid Mechanics
  • Physics of Fluids
  •  International Journal of Numerical Methods in Fluids
  • Computers and Mathematics with Applications
  •  European Physics Journal D
  • International Journal of Thermal Sciences
  • Communications in Computational Physics
  •  AIP advances
  • Proceedings Mathematical Sciences
  • Proceedings of the National Academy of Sciences: India Section A: Physical Sciences.
  •  Applied Mathematical Modeling
  • International Journal of Heat and Mass Transfer

 
 

PhD Adjudicator / External Examiner

 Year  Name of The Scholer  Role  Institute
2025  Dipak Kumar Sahoo Adjudicator and External examiner IIT Kanpur
2025 Pradip Das  Adjudicator Visva Bharathi University, Santhiniketan
2025 Vijayasree Adjudicator and External examiner GITAM University, Hyderabad
 2025  V.V.V.S.P.S. Srikanth  Adjudicator and External examiner  GITAM University Visakhapatnam
 2025  Madan Kumar  Adjudicator   GITAM University Visakhapatnam
 2025  D. Mahalakshmi  Adjudicator and External examiner  SRM University
 2025  Rupam Saha  Adjudicator and External examiner  NIT Silchar
 2024  T. Sujana  Adjudicator  Nagarjuna University
 2024  Sumant Kumar  Adjudicator  Defence Institute of Advanced Technology (DIAT), Pune
 2024  Swati Singh  Adjudicator and External examiner  IIT Dhanbad
 2024  D.V.N.S.R. Murthy  Adjudicator  Nannaya University, Andhra Pradesh
 2024  Lakshmi M.  Adjudicator and External examiner  VIT Vellore
 2024  Appalanaidu  Adjudicator and External examiner  JNTU Kakinada, A.P
 2024  Satyavathi  Adjudicator  JNTU Kakinada, A.P
 2023  Subhankar Nandi  Adjudicator and External examiner  IIT Madras, Chennai
 2023  P. Raja Shekar  Adjudicator  JNTU Anantapur 
 2023  Arindita Sahoo  Adjudicator and External examiner  NIT Jemshedpur
 2023  Chandra Mouli  Adjudicator and External examiner  JNTU Kakinada, A.P
 2023  Abha Kumari  Adjudicator and External examiner  NIT Jemshedpur
 2023   Vijaya Lakshmi  Adjudicator and External examiner  VIT -AP
 2022  Sasmay Nandi  Adjudicator and External examiner  NIT Meghalaya
 2022  Satya Kasibhotla  Adjudicator  JNTU Anantapur 
 2022  D. Appa Rao  Adjudicator  JNTU Kakinada
 2022  Akuri Sandhya  Adjudicator  JNTU Kakinada
 2021  Dipjyoti Nath  Adjudicator  NIT Silchar
 2021  Seidevi  Adjudicator  JNTU Hyderabad
 2021  L. Sivakami  Adjudicator and External examiner  SRM University
 2020  Omeshwar Reddy  Adjudicator  Omania University, Telengana
 2020  Saravana Sankar  Adjudicator  Bharathidasan University, Tiruchappalli
 2020  Bhuvaneshvar Kumar  Adjudicator and External examiner  IIT Dhanbad
 2019  Tangudu  Adjudicator and External examiner  NIT Warangal
 2019  Supraja S.  Adjudicator  JNTU Hyderabad
 2019  Y.V. Seshagiri Rao  Adjudicator   JNTU Hyderabad
 2018  MD Nahid  Adjudicator   JNTU Hyderabad
 2018  Saroja D. Vernekar  Adjudicator   JNTU Hyderabad
 2017  Subadra Nemani  Adjudicator and External examiner  JNTU Hyderabad
 2017  K. Jagadeshkumar  Adjudicator and External examiner  VIT Vellore
 2016  Amruta R. Daga  Adjudicator and External examiner  NIT Surat
 2016  K. Nirmala  Adjudicator and External examiner  JNTU Hyderabad
 2016  N. Santhana Krishnan  Adjudicator  SRM University Chennai
 2015  P. Vinod Kumar  Adjudicator  JNTU Hyderabad
 2015  G. Balaji Prakash  Adjudicator  GITAM University Visakhapatnam
 2015  Vamsi Krishna Narla  Adjudicator and External examiner  NIT Warangal
 2015  S. Vijaya Lakshmi  Adjudicator  JNTU Anantapur 
 2014  B. Mallikarjuna  Adjudicator  JNTU Anantapur 
 2014  Souren Misra  Adjudicator and External examiner  Indian Institute of Science (IISc) Bangalore
 2012  J. Jagan Mohan  External examiner  JNTU Kakinada
 

Other Activities

Member, Board of Studies (BOS)
  • Jawaharlal Nehru Technological University (JNTU), Kakinada, AP, India.
  • Aditya Engineering College, Surampalem, AP, India.
  • Jawaharlal Nehru Technological University (JNTU), Hyderabad, Telangana, India.
  • Jawaharlal Nehru Technological University (JNTU), Vizianagaram, AP, India.
  • Aditya University, Kakinada, AP, India.
  • Kalinga Institute of Industrial Technology (KIIT)Bhubaneswar, Odisha, India.
  • Aditya Institute of Technology and Management, Tekkali, AP, India.

 
 

Professional Experience

30 years
 
 

Useful Links

Contact Us

Registrar

Address :Indian Institute of Technology Bhubaneswar
Argul, Khordha
PIN - 752050, ODISHA
Phone: +91 674 7134550, +91 674 7134551
Email: registrar@iitbbs.ac.in

Office of the Registrar

Address :Indian Institute of Technology Bhubaneswar
Argul, Khordha
PIN - 752050, ODISHA
Phone: +91 674 7134560, +91 674 7134561
Email: registrar.office@iitbbs.ac.in

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