Computational Scientist.

ML Engineer.

Founder, Zenteiq.

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Department of Computational and Data Sciences, IISc Bangalore.

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Dr. rer. nat. Sashikumaar Ganesan

Professor, Department of Computational and Data Sciences (CDS), Indian Institute of Science (IISc), Bangalore, India

Founder,a deep tech start-up incubated at FSID, IISc.

About Me

I am Sashikumaar Ganesan, a faculty member in CDS at IISc, Bangalore. My journey in academia and research spans over two decades, with a steadfast focus on advancing the frontiers of computational sciences.

Administrative Roles

  • Chair (2018-24), CDS, IISc: Led the department from February 2018 to January 2024, focusing on integrating computational and data sciences to drive innovative research and education.
  • Founder, Zenteiq Edtech Private Limited: Revolutionizing Higher Education through Advanced AI - A deep tech startup dedicated to transforming the learning experience in higher education with cutting-edge artificial intelligence.
  • Co-Convenor (2022-23), Kotak IISc AI-ML Centre: A joint initiative of IISc and Kotak Mahindra Bank to promote research and education in AI and ML.
  • Founding Chair & member, PCC, M.Tech. Data Science & Business Analytics:, aligning it with industry needs and technological advancements.
  • Programme Director, Advanced Program in Computational Data Science and AI and AI & MLOps: Leading these innovative upskilling programs since July 2020 and October 2022, respectively, to cultivate expertise in cutting-edge areas of technology.
  • Faculty Associate, IMSc, IISc: A joint initiative of IISc and IMSc to offer interdisciplinary research program.

I joined IISc in 2011 as an Assistant Professor. Before joining the institute, I served as a Research Associate at Dept. of Aeronautics, Imperial College London and as an Alexander von Humboldt Fellow at Weierstrass Institute Berlin. I received my Ph.D. (Dr. rer. nat) in 2006 from Institute of Analysis und Numerics, Otto-von-Guericke University, Germany.

  • Name: Prof. Sashikumaar Ganesan
  • Email:
  • Phone: (+91) 802 293 2902
  • Address:

    Department of Comptational & Data Sciences,
    Indian Institute of Science, Bangalore.
    Karnataka, India - 560012



My Research group, Scientific Machine Learning and Operations (STARS),is at the forefront of integrating scientific computing with machine learning. Our group's mission is to harmonize the precision of scientific computing with the agility and adaptability of machine learning, paving the way for breakthroughs in both theoretical and applied domains. We delve into:




S. Ganesan & L. Tobiska : Finite Elements: Theory and Algorithms. Cambridge University Press, 2017, ISBN: 9781108415705.

Journal Articles

T. Anandh, D. Ghose, H. Jain, S. Ganesan: FastVPINNs: Tensor-Driven Acceleration of VPINNs for Complex Geometries. (2024) arXiv:2404.12063.
S. Yadav, S. Ganesan: Artificial Neural Network-augmented stabilized finite element method. Journal of Computational Physics (2024), 499, 112702.
D. Garg, S. Ganesan: Local projection stabilized finite element methods for advection–reaction problems. Calcolo (2023) 60, Article number: 45.
S. Srivastava, S. Ganesan: A stabilized local projection finite element approximation for computations of Oldroyd-B viscoelastic fluid flows. Int J Adv Eng Sci Appl Math, (2022), 13, 383–393.
D. Garg, S. Ganesan: Generalized local projection stabilized nonconforming finite element methods for Darcy equations. Numerical Algorithms, (2022) 89, 341-369.
S. Ganesan, D. Subramani, T. Anandh, D. Ghose, GR. Babu: Ensemble forecast of COVID-19 in Karnataka for vulnerability assessment and policy interventions. (2021)  medRxiv
D. Garg, S. Ganesan: An overlapping local projection stabilization for Galerkin approximations of Stokes and Darcy flow problems. Applied Numerical Mathematics, (2022), 171, 106-127.
S.M. Joshi, T. Anandh, B. Teja, S. Ganesan: On the choice of hyper-parameters of artificial neural networks for stabilized finite element schemes. Int J Adv Eng Sci Appl Math (2021), 13, 278–297.
S. Ganesan, D. Subramani: Spatio-temporal predictive modeling framework for infectious disease spread. (2021), Nature Scientific Reports 11, 6741.
S. Ganesan, M. Singh: Error Analysis of the Operator-Splitting Finite Element Method for the Radiative Transfer Equation. (2021)   Journal of Scientific Computing. (submitted)
B. Pal, S. Ganesan: An a priori error analysis for a projection based variational multiscale finite element method for Oseen problems in a time-dependent domain. Comput. Math. with Appl., (2021), 82, 130-147.
S. Ganesan, M. Shah: SParSH-AMG: A library for hybrid CPU-GPU algebraic multigrid and preconditioned iterative methods. arXiv, (2020)   arXiv:2007.00056
J. Venkatesan, S. Ganesan: Finite element computations of viscoelastic two-phase flows using Local Projection Stabilization. Int. J. Numer. Meth. Fluids, (2020), 92(8), 825-854.
S. Srivastava, S. Ganesan: Local projection stabilization with discontinuous Galerkin method in time applied to convection dominated problems in time-dependent domains. BIT Numerical Mathematics,(2019) 60, 481–507
J. Venkatesan, A. Padmanabhan, S. Ganesan: Simulation of viscoelastic two-phase flows with insoluble surfactants. Journal of Non-Newtonian Fluid Mechanics, (2019) 267, 61-77
J. Venkatesan, S. Ganesan: Computational modeling of impinging viscoelastic droplets. Journal of Non-Newtonian Fluid Mechanics, (2019) 263, 42-60
S. Srivastava, S. Ganesan: On the temporal discretizations of convection dominated convection-diffusion equations in time-dependent domain. Pro Mathematica, (2018) 30, 99-137
J. Venkatesan, S. Ganesan: A three-field local projection stabilized formulation for computations of Oldroyd-B viscoelastic fluid flows. Journal of Non-Newtonian Fluid Mechanics, (2017) 247, 90-106
U. Wilbrandt, C. Bartsch, N. Ahmed, N. Alia, F. Anker, L. Blank, A. Caiazzo, S. Ganesan, S. Giere, G. Matthies, R. Meesala, A. Shamim, J. Venkatesan, V. John: ParMoon - a modernized program package based on mapped finite elements. Computers and Mathematics with Applications, (2017)   74, 74-88
S. Ganesan, S.Srivastava: ALE-SUPG finite element method for convection-diffusion problems in time-dependent domains: Conservative form. Appl. Math. Comp., (2017)  303, 128-145
S. Ganesan, S. Lingeshwaran: Galerkin finite element method for cancer invasion mathematical model. Computers and Mathematics with Applications (2017)   73, 2603-2617
S. Ganesan, S. Lingeshwaran: A biophysical model of tumor invasion. Communications in Nonlinear Science and Numerical Simulation, (2017)   46, 135-152
P. Satish kumar, S. Ganesan: Numerical simulation of nanocrystal synthesis in a microfluidic reactor. Computers and Chemical Engineering, (2017)  96, 128 - 138
B. Pal, S. Ganesan: Projection based variational multiscale method for incompressible Navier--Stokes equations in time-dependent domains. Int. J. Numer. Meth. Fluids, (2017)   84, 19-40
S. Ganesan, V. John, G. Matthies, R. Meesala, S. Abdus, U. Wilbrandt: An object oriented parallel finite element scheme for computations of PDEs: Design and implementation. IEEE 23rd International Conference on High Performance Computing Workshops (HiPCW) (2016),   DOI 10.1109/HiPCW.2016.023  
J. Venkatesan, S. Rajasekaran, A. Das, S. Ganesan: Effects of temperature-dependent contact angle on the flow dynamics of an impinging droplet on a hot solid substrate. Int. J. Heat and Fluid Flow, (2016)   62, 282-298
S.Mohapatra, S. Ganesan: A Non-Conforming Least Squares Spectral Element Formulation for Oseen Equations with Applications to Navier-Stokes Equations. Numerical Functional Analysis and Optimization, (2016),  37, 1295 - 1311
J. Venkatesan, S. Ganesan: On the Navier-slip boundary condition for computations of impinging droplets. IEEE 22nd International Conference on High Performance Computing Workshops (HiPCW) (2015),   2-11, DOI 10.1109/HiPCW.2015.10  
S. Ganesan: Simulations of impinging droplets with surfactant-dependent dynamic contact angle. Journal of Computational Physics, (2015), 301, 178 - 200  
B. Pal, S. Ganesan: A finite element variational multiscale method for computations of turbulent flow over an aerofoil. Int. J. Adv. Engg. Sci. Appl. Math., (2015), 7, 14 - 24  
S. Ganesan, J. Venkatesan, S. Rajasekaran: Modeling of the non-isothermal liquid droplet impact on a heated solid substrate with heterogeneous wettability. Int. J. Heat Mass Transfer, (2015), 88, 55 - 72  
F. Ankera, S. Ganesan, V. John, E. Schmeyer: A comparative study of a direct discretization and an operator-splitting solver for population balance systems. Computers and Chemical Engineering, (2015), 75, 95 - 104  
S. Ganesan, S. Rajasekaran, L. Tobiska: Numerical modeling of the non-isothermal liquid droplet impact on a hot solid substrate. Int. J. Heat Mass Transfer, (2014), 78, 670 - 687  
S. Ganesan: On the dynamic contact angle in simulation of impinging droplets with sharp interface methods. Microfluidics and Nanofluidics, Springer, (2013), 14, 615-625 
S. Ganesan, P. K. Yalavarthy: Modeling of Terahertz Heating Effects in Realistic Tissues. IEEE Journal of Selected Topics in Quantum Electronics (Issue on current trends in terahertz photonics and applications), 2013 19(1), pp.8400908 
S. Ganesan, L. Tobiska: Operator-splitting finite element algorithms for computations of high-dimensional parabolic problems. Appl. Math. Comp., (2013)  219, 6182 - 6196
S. Ganesan: An operator-splitting Galerkin/SUPG finite element method for population balance equations: Stability and convergence. ESAIM: Mathematical Modelling and Numerical Analysis (M2AN), (2012) 46,46, 1447-1465  
S. Ganesan, L. Tobiska: Arbitrary Lagrangian-Eulerian finite-element method for computation of two-phase flows with soluble surfactants. Journal of Computational Physics, (2012) 231 (9), 3685-3702 
M. Krasnyk, M. Mangold, S. Ganesan, L. Tobiska: Numerical reduction of a crystallizer model with internal and external coordinates by proper orthogonal decomposition. Chem. Eng. Sci., (2012) 70, 77-86 
S. Ganesan, L. Tobiska: An operator-splitting finite element method for the efficient parallel solution of multidimensional population balance systems. Chem. Eng. Sci., (2012)  69 (1), 59-68
U. Kornek, F. Müller, K. Harth, A. Hahn, S. Ganesan, L. Tobiska, R. Stannarius: Oscillations of soap bubbles. New J. Phys., (2010) 12, 073031 
S. Ganesan, L. Tobiska: Stabilization by local projection for convection-diffusion and incompressible flow problems. J. Sci. Comput., (2010)  43 (3), 326-342
S. Ganesan, L. Tobiska: A coupled arbitrary Lagrangian-Eulerian and Lagrangian method for computation of free surface flows with insoluble surfactants. Journal of Computational Physics, (2009) 228 (8), 2859-2873 
S. Hysing, S. Turek, D. Kuzmin, N. Parolini, E. Burman, S. Ganesan, L. Tobiska: Quantitative benchmark computations of two-dimensional bubble dynamics. Int. J. Numer. Meth. Fluids, (2009)   60, 1259-1288
S. Ganesan, L. Tobiska: Modelling and simulation of moving contact line problems with wetting effects. Comput. Visual. Sci., (2009)  12, 329-336
S. Ganesan, G. Matthies, L. Tobiska: Local projection stabilization of equal order interpolation applied to the Stokes problem. Math. of Comput., (2008)  77, 2039-2060
S. Ganesan, L. Tobiska: An accurate finite element scheme with moving meshes for computing 3D-axisymmetric interface flows. Int. J. Numer. Meth. Fluids, (2008)   57(2), 119 - 138
S. Ganesan, G. Matthies, L. Tobiska: On spurious velocities in flow problems with interfaces. Comput. Methods Appl. Mech. Engrg., (2007)  196, 1193 - 1202
S. Ganesan, V. John: Pressure separation - a technique for improving the velocity error in finite element discretisations of the Navier-Stokes equations. Appl. Math. Comp., (2005)  165, 275 - 290

Book Chapters

S. Ganesan, A. Hahn, K. Simon, L. Tobiska: Finite Element Computations for Dynamic Liquid-Fluid Interfaces. In: M. T. Rahni, M. Karbaschi and R. Miller, editors, Computational Methods for Complex Liquid-Fluid Interfaces, CRC Press, Taylor and Francis Group, (2015) Ch.16, Pages: 331--351, ISBN: 9781498722087 (online) 

S. Ganesan, B. Pal, S.Srivastava: Simulation of two-phase flows with surfactants. In: N. K. Gupta, A. V. Manzhirov, and R. Velmurugan, editor, Topical problems in theoretical and applied mechanics, Elite Publishing House Pvt. Ltd., (2013) Pages: 418 - 425, ISBN: 978-81-88901-55-5 

S. Ganesan, Bhanu Teja: A multi-level finite element discretization for efficient solution of multidimensional population balance system. In: S. Sundar, editor, Advances in PDE Modeling and Computation, Ane Books Pvt. Ltd., (2013), Pages: 105 - 118 (online) 

S. Ganesan, S. Rajasekaran, L. Tobiska: An ALE-based finite element method for the simulation of an impinging droplet on a hot surface. In: S. Sundar, editor, Advances in PDE Modeling and Computation, Ane Books Pvt. Ltd., (2013), Pages: 35 - 53 (online) 

S. Ganesan, L. Tobiska: Finite Element Simulation of an Impinging Liquid Droplet. In: Albrecht Bertram and Jürgen Tomas, editor, Micro-Macro- Interactions In Structured Media and Particle Systems, Springer, (2008) (online) 

S. Ganesan, L. Tobiska: A Finite Element Method for the Simulation of a Liquid Droplet Impinging on a Solid Surface. In: Palle Jorgensen, Xiaoping Shen, Chi-Wang Shu and Ningning Yan, editor, RECENT ADVANCES IN COMPUTATIONAL SCIENCES, World Scientific, (2008) (online) 







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