Current Status: 

Associate Professor, Department of Mathematics, NEHU, Shillong

Teaching/Research Experience:

• Teaching: 15
• Research: 12

Ph.D. Title:

Element Free Galerkin Method for Fluid Flow, Heat and Mass Transfer in Porous Medium

Broad Area of Interest: 

Computational Fluid Dynamics, Numerical Analysis, Finite Element Simulation and Scientific Computing      

Current Area of Work:

• Numerical simulation with finite element and artificial neural network approach
• Fluid mechanics and heat transfer with application to the boundary-layer theory
• Convective flow in nanofluids and hybrid nanofluids
• Magnetohydrodynamics and convective flow in fluid-saturated porous media
• Numerical simulation of fractional differential models using finite difference and finite element method

Award/Fellowship:

• Early Career Research Award of Science & Engineering Research Board, Department of Science & Technology, Govt. of India, 2016
• National Science Council Taiwan Post-Doctoral fellowship to pursue research work at NTU Taiwan for the period of Oct, 2013-June, 2014
• Universiti Kebangsaan Malaysia Post-Doctoral fellowship to pursue research work at UKM Malaysia for the period of June, 2012-May, 2014
• Ministry of Human Resource Development, Government of India fellowship to pursue PhD at IIT Roorkee for the period of Jan,2008-Dec,2011

Ph.D. Awarded/ Registered:

01 (Awarded) & 01 (Registered)

• Ankita Bisht (2021)-Awarded by NIT Hamirpur
• Jeremy Rymbai - Registered at NEHU Shillong

M.Sc. Awarded/ Registered:

06 (Awarded)

• Damanlangki Pale (2024)-Awarded by NEHU Shillong
• Khrawbor Daniel Majaw (2024)-Awarded by NEHU Shillong
• Mohd Bilal (2020)-Awarded by NIT Hamirpur
• Anshuman Dwivedi (2019)-Awarded by NIT Hamirpur
• Amit Kumar Pandey (2019)-Awarded by NIT Hamirpur
• Harpreet Kaur (2015)-Awarded by Thapar University

Professional Affiliation:

• Forum for Industrial and Applied Mathematics (Founder Member, Membership No. FIAM/03),
• Indian Society for Heat and Mass Transfer (Life Member, Membership No. L/1181)
• Indian Society of Theoretical and Applied Mechanics (Life Member, Membership No. 1426)

Academic Affiliation:

• Member, Board of Studies, Department of Mathematics, NEHU, Shillong, 2024 to till date
• Member, Board of Studies, Department of Chemistry, NEHU, Shillong, 2024 to till date
• External Member, Board of Studies, Department of Mathematics, Bahra University, Waknaghat, Solan, Himachal Pradesh, India, 2016-2020
• External Member, Board of Studies, Department of Mathematics, Indus International University, Una, Himachal Pradesh, India, 2017-2019

Administrative Experience:

• Convener, Department Doctoral Programme Committee – Department of Mathematics, National institute of technology Hamirpur, India (2019–2020)
• Coordinator, Department Infrastructure – Department of Mathematics, National institute of technology Hamirpur, India (2019–2020)
• Assistant Warden - Neel Kanth Boys Hostel, National Institute of Technology Hamirpur, India (2017-2019)
• Convener, Department Post Graduate Committee - Department of Mathematics, National Institute of Technology Hamirpur, India (2016-2019)
• Coordinator, Computational Lab - Department of Mathematics, National Institute of Technology Hamirpur, India (2015-2019)

Web Address:

• https://scholar.google.com/citations?user=lxZTnjcAAAAJ&hl=en
• https://www.webofscience.com/wos/author/record/H-1965-2013
• https://www.scopus.com/authid/detail.uri?authorId=55685418900
• https://orcid.org/0000-0002-9742-7654

Research Projects

• Principal Investigator of research project entitled “Numerical Investigations of Some Momentum and Heat Transfer Problems in Complex Nanofluids” funded by Science & Engineering Research Board, Department of Science & Technology, Govt. of India of worth Rs. 16,62,084 for 3 years (2016-2019)-Completed

Publications

• Ankita Bisht and Rajesh Sharma, Heat Transfer in Tangent Hyperbolic Nanofluid Flow Over a Stretching Sheet with Convective Boundary, Mathematical Theory and Simulation of Scientific Problems-Springer Proceedings in Mathematics & Statistics, 487 (2025) 33-44. https://doi.org/10.1007/978-981-96-2579-6_4 (Scopus indexed)
• Sanjalee and Rajesh Sharma, Numerical Study of Thermo-Convective Instability of Au-Fe3O4 Hybrid Bi-Viscous Bingham Nanofluid, Mathematical Theory and Simulation of Scientific Problems-Springer Proceedings in Mathematics & Statistics, 487 (2025) 213-224. https://doi.org/10.1007/978-981-96-2579-6_15 (Scopus indexed)
• Sanjalee and Rajesh Sharma, Magnetothermoconvective Instability of Au–Fe3O4 Hybrid Casson Nanofluid, Mathematical Models and Computer Simulations, 16 (2024) 775-790. https://doi.org/10.1134/S2070048224700406 (Scopus indexed)
• D. Mukherjee, B. Sahoo, R. Sharma, >Convective instability of Ekman boundary layer flow of a Newtonian fluid over a stretchable rotating disk, International Journal of Modelling and Simulation, (2024). https://doi.org/10.1080/02286203.2024.2327648 (ESCI and Scopus indexed)
• Rajesh Sharma, Transient MHD Free Convection Flow, Heat and Mass Transfer in Darcy-Forchheimer Porous Medium in the Presence of Chemical Reaction and Heat Absorption with Soret and Dufour Effects: Element free Galerkin Modelling, Mathematical Models and Computer Simulations, 15 (2) (2023) 357-372. (Scopus Indexed)
• Sanjalee and Rajesh Sharma, Analysis of magneto-thermo-bioconvection of nanofluid containing gyrotactic microorganisms through porous media, Journal of Nanofluids, 11 (2022) 1-9. (ESCI and Scopus Indexed)
• Ankita Bisht and Rajesh Sharma, Non-similar solution of Sisko nanofluid flow with variable thermal conductivity: A finite difference approach, International Journal of Numerical Methods for Heat and Fluid Flow, 31(1) (2021) 345-366. (SCIE and Scopus indexed, Q1 Journal)
• Ankita Bisht and Rajesh Sharma, Entropy Generation Analysis in MHD Sisko Nanofluid Flow with Chemical Reaction and Convective Boundary Conditions, Mathematical Methods in the Applied Sciences, 44 (5) (2021) 3396-3417. (SCIE and Scopus indexed, Q2 Journal)
• Ankita Bisht and Rajesh Sharma, Numerical Investigation of Sisko Nanofluid over a Nonlinear stretching Sheet with Convective Boundary Conditions, International Journal of Multiscale Computational Engineering, 19 (1) (2021) 41-54. (SCIE and Scopus Indexed, Q2 Journal)
• Ankita Bisht and Rajesh Sharma, Computation of Darcy-Forchheimer Flow of Sisko nanofluid over a Stretching Cylinder, Heat Transfer, 50 (8) (2021) 7712-7732. https://doi.org/10.1002/htj.22250 (ESCI and Scopus indexed)
• Ankita Bisht and Rajesh Sharma, Comparative Analysis of Sisko nanofluid over a Stretching Cylinder through Porous Medium, Heat Transfer, 49 (6) (2020) 3477-3488. (ESCI and Scopus indexed)
• Rajesh Sharma and Ankita Bisht, Effect of buoyancy and suction on Sisko
  nanofluid over a vertical stretching sheet in a porous medium with mass flux
  condition, Indian Journal of Pure & Applied Physics, 58 (3) (2020) 178-188. (SCIE and Scopus indexed, Q4 Journal)
• Rajesh Sharma, Ankita Bisht, Ankit Kumar, Numerical Study of Fractional Boundary Layer Flow over a Stretching Sheet with Variable Thickness: A Finite Difference Approach, AIP Conference Proceedings, 2253 (2020) 020018. (Scopus indexed)
• Ankita Bisht and Rajesh Sharma, Non-similar solution of casson Nanofluid with variable viscosity and variable thermal conductivity, International Journal of Numerical Methods for Heat and Fluid Flow, 30 (8) (2020) 3919-3938. (SCIE and Scopus indexed, Q1 Journal)
• Rajesh Sharma and Ankita Bisht, MHD flow of Sisko nanofluid over a stretching sheet with Joule heating, AIP Conference Proceedings, 2134 (2019) 030002. (Scopus indexed)
• Rajesh Sharma, Boundary Layer Slip Flow and Heat Transfer over an Exponential Shrinking Sheet, WSEAS Transactions on Fluid Mechanics, 13 (2018) 18-25. (Scopus indexed)
• Rajesh Sharma and Ankita Bisht, Numerical Study of MHD Flow and Heat Transfer of Nanofluid along a Nonlinear Curved Stretching Surface, AIP Conference Proceedings, 1975 (2018) 030025. (Scopus indexed)
• Rajesh Sharma and Ankit Kumar, Heat transfer in Sisko fluid past an unsteady stretching surface with heat source/sink and viscous dissipation effects, AIP Conference Proceedings, 1975 (2018) 030026. (Scopus indexed)
• Rajesh Sharma, Anuar Ishak and Ioan Pop, Dual solution of Unsteady separated stagnation-point flow in a nano fluid with suction: A finite element analysis, Indian Journal of Pure & Applied Physics, 55 (2017) 275-283. (SCIE and Scopus indexed, Q4 Journal)
• Rajesh Sharma, Multiple Solutions of Slip Flow and Heat Transfer over an Exponential Shrinking Sheet with Stability Analysis, International Journal of Theoretical and Applied Mechanics, 2 (2017) 102-106.
• Rajesh Sharma, Anuar Ishak, Ioan Pop, Stagnation point flow of a micropolar fluid over a stretching/shrinking sheet with second-order velocity slip, Journal of Aerospace Engineering, 29 (5) (2016) 04016025. (SCIE and Scopus indexed, Q3 Journal)
• Rajesh  Sharma,  Rama  Bhargava,  Numerical  Simulation  of  MHD Hiemenz Flow of a Micropolar Fluid towards a Non-Linear Stretching Surface through a Porous Medium, International Journal for Computational Methods in Engineering Science and Mechanics, 16 (4) (2015) 234-245. (ESCI and Scopus indexed)
• Rajesh Sharma, Element free Galerkin modeling of radiative hydromagnetic micropolar flow saturated Darcy medium with heat transfer over a stretching sheet with Joule heating, ASIA-Pacific Journal Of Chemical Engineering, 9 (1) (2014) 50-62. (SCIE and Scopus indexed, Q4 Journal)
• Rajesh Sharma, Anuar Ishak, Ioan Pop, Stability analysis of magnetohydrodynamic stagnation-point flow toward a stretching/shrinking sheet, Computers & Fluids, 102 (2014) 94-98. (SCI and Scopus indexed, Q2 Journal)
• Rajesh Sharma, Anuar Ishak, Second order slip flow of Cu-Water nanofluid over a stretching sheet with heat transfer, WSEAS Transaction on Fluid Mechanics, 9 (2014) 26-34. (Scopus indexed)
• Rajesh Sharma, Anuar Ishak, Ioan Pop, Steady Fluid Flow and Heat Transfer Over an Exponentially Shrinking Sheet with Partial Slip, AIP Conference Proceedings, 1602 (2014) 260-265. (Scopus indexed)
• Rajesh Sharma, Anuar Ishak, Roslinda Nazar, Ioan Pop, Boundary layer flow and heat transfer over a permeable exponential shrinking sheet in presence of thermal radiation and partial slip, Journal of Applied Fluid Mechanics , 7 (1) (2014) 125-134. (SCIE and Scopus indexed, Q4 Journal)
• Rajesh Sharma and Anuar Ishak, Numerical Simulation of Transient Free Convection Flow and Heat Transfer in a Porous Medium, Mathematical Problems in Engineering, Vol. 2013, Article ID 371971, 9 pages. (SCIE and Scopus indexed, Q3 Journal)
• Rajesh Sharma, Anuar Ishak, Ioan Pop, Partial slip flow and heat transfer over a stretching sheet in a CuO-water nanofluid, Mathematical Problems in Engineering, Vol. 2013, Article ID 724547, 7 pages. (SCIE and Scopus indexed, Q3 Journal)
• Rajesh Sharma, Effect of viscous dissipation and heat source on unsteady boundary layer flow and heat transfer past a stretching surface embedded in a porous medium using element free Galerkin method, Applied Mathematics and Computation, 219 (2012) 976-987. (SCI and Scopus indexed, Q1 Journal)
• R. Sharma, R. Bhargava, I. V. Singh, A numerical solution of MHD convection heat transfer over an unsteady stretching surface embedded in a porous medium using Element Free Galerkin Method, International Journal of Applied Mathematics and Mechanics, 8 (10) (2012) 83-103.
• Rajesh Sharma, R. Bhargava, Peeyush Bhargava, A Numerical Solution of Unsteady MHD Convection Heat and Mass Transfer Past a Semi-infinite Vertical Porous Moving Plate Using Element Free Galerkin Method, Computational Materials Science, 48 (3) (2010) 537-543. (SCIE and Scopus indexed, Q2 Journal)
• Rajesh Sharma, R. Bhargava, I. V. Singh, Combined effect of magnetic field and heat absorption on unsteady free convection and heat transfer flow in a micropolar fluid past a semi-infinite moving plate with viscous Dissipation using Element free Galerkin method, Applied Mathematics and Computation, 217 (2010) 308-321. (SCI and Scopus indexed, Q1 Journal)
• R. Bhargava, R. Sharma, O. A. Beg, Transient chemically-reacting MHD free convection heat and mass transfer in a porous medium with Soret and Dufour effects: Finite element modeling - International Journal of Applied Mathematics and Mechanics, 5 (6) (2009) 15 – 37. 

Books Edited/Published:

• Mathematical Theory and Simulation of Scientific Problems, Volume 487, Springer Proceedings in Mathematics & Statistics, Singapore, ISBN: 978-981-96-2578-9
• Frontiers in Industrial and Applied Mathematics: FIAM2022, Volume 3081, AIP Conference Proceedings, New York, USA, ISBN: 978-07-3544-863-6.
• Frontiers in Industrial and Applied Mathematics, Volume 410, Springer Proceedings in Mathematics & Statistics, Singapore, ISBN: 978-981-19-7271-3
• Proceedings of The Third International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2020), Volume 2435, AIP Conference Proceedings, New York, USA, ISBN: 978-07-3544-177-4
• Proceedings of The Second International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2019), Volume 2253, AIP Conference Proceedings, New York, USA, ISBN: 978-07-3542-012-0
• Proceedings of the International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2018), Volume 1975, AIP Conference Proceedings, New York, USA, ISBN: 978-07-3541-684-0

Invited Lecture/Talk:

• Invited talk in the online faculty development programme at mahadevananda mahavidyalaya, Monirampore, Barrackpore, Kolkata, West Bengal on February 13, 2024.
• Invited talk in the international conference FIAM-2023 at BITS Pilani, Dubai campus on December 22, 2023.
• Invited talk in the international conference FIAM-2022 at central university of Haryana, Mahendergarh, India on December 22, 2022.
• Invited talk in the short-term training programme on advanced computational techniques in engineering science and mechanics at national institute of technology Srinagar, Uttarakhand, India on February 28, 2020.
• Invited talk in the national workshop on development of soft skills at rajkiya engineering college, Ambedkar Nagar, U.P., India on March 25, 2019.

Seminar/Conference/Workshops (Presented):

• Ankita Bisht, Rajesh Sharma, Sisko Nanofluid Flow over a Vertical Stretching Sheet in a Porous Medium: A Numerical Study, 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019), IIT Roorkee, India, December 28-31, 2019, pp. 401-406, ISSN: 2688-7231. DOI: 10.1615/IHMTC-2019.680
• Rama Bhargava, Rajesh Sharma, Numerical Simulation of MHD Flow and Heat Transfer over a Permeable Stretching Surface in a Porous Medium with Variable Parameters using FEM/EFGM, The 2011 International Conference on Scientific Computing, Las Vegas, Nevada, USA, July 18-21, 2011, pp. 293-297, ISBN: 1-60132-175-9.
• Rajesh Sharma, Rama Bhargava, Unsteady MHD Mixed Convection Heat Transfer over a Stretching Surface Embedded in a Porous Medium with Heat source/sink using Mesh-Free method - International Congress of Mathematicians, Hyderabad, India, August 19-27, 2010, pp. 727-728. (Abstract Published)
• Rajesh Sharma, R. Bhargava, Unsteady MHD flow and Heat transfer over a Stretching Surface Embedded in a Porous Medium with viscous heating using Element Free Galerkin Method, Workshop on Fluid Motion Driven by Immersed Structure, University of Toronto, Canada, August 9-15, 2010, Poster Presentation.
• R. Bhargava, Rajesh Sharma, O. Anwar Beg, A Numerical Solution for the effect of radiation on Micropolar flow and heat transfer past a horizontal stretching sheet through porous medium, Continuum Mechanics, Fluids, Heat Conference, Cambridge, UK, February 23-25, 2010, pp. 288-296, ISSN: 1790-5095, ISBN: 978-960-474-158-8.
• R. Bhargava, R. Sharma, O. A. Beg, Numerical Modeling of Free Convection in MHD flow and mass transfer in porous medium with viscous dissipation effects, 6th International Conference on Computational Heat and Mass Transfer, Guangzhou, China, May 18-22, 2009, pp. 310-317.

Seminar/Conference/Workshops (Organized):

• Conference Chairman – 7th International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2024) held at Central University of Punjab, India during November 13-14, 2024
• Conference Chairman – 5th International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2022) held at Central University of Haryana, India during December 22-23, 2022
• Program Chairman – The 4th International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2021) held at Sant Longowal Institute of Engineering and Technology, Longowal, India through virtual mode during December 21-22, 2021
• Conference Chairman – The Third International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2020) held at National Institute of Technology, Jamshedpur, India through virtual mode during December 21-22, 2020
• Conference Chairman – The Second International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2019) held at Galgotias College of Engineering and Technology, Greater Noida, India during December 21-22, 2019
• Convener and Organizing Secretary – The International Conference on Frontiers in Industrial and Applied Mathematics (FIAM-2018) held at National Institute of Technology Hamirpur, Himachal Pradesh, India during April 26-27, 2018

Seminar/Conference/Workshops (Participated):

• Workshop on Fluid motion driven by immersed structures, August 9-13, 2010 at Field institute, University of Toronto, Canada.
• Workshop on Mathematical models for Biofluid flows and applications, January 22-26, 2010 at Sri Venkateswara University, Tirupati, India.
• Training program on Application of Mathematical methods in Physical Problem, December 18-23, 2009 at Sikkim Manipal Institute of Technology, Sikkim, India.
• Study group meeting on Industrial Mathematics, 16th-22nd March, 2009 at Indian Institute of Technology, Roorkee, India.
• Advanced instructional school in Partial differential equations, 15th Dec, 08–6th Jan, 2009 at Tata Institute of Fundamental Research, Centre for applicable mathematics, Bangalore, India.