Pankaj., Ray, R.K., 2022. MHD Natural Convective Flow in a Porous Corrugated Enclosure: Effects of Different Key Parameters and Discrete Heat Sources. International Journal of Thermal Sciences (Elsevier) (Accepted).

Pankaj., Ray, R.K., 2022. MHD Natural Convection in a Corrugated Enclosure with Discrete Isothermal Heating. Heat Transfer (Wiley) (Accepted).

Kumar, A., Ray, R.K., Mittal, H.V.R., 2022. Heat transfer past a rotationally oscillating circular cylinder in linear shear flow. Journal of Heat Transfer (ASME) (Accepted).

Majee, S., Ray, R.K. and Majee, A.K., 2022. A New Non-Linear Hyperbolic-Parabolic Coupled PDE Model for Image Despeckling. IEEE Transactions on Image Processing, 31, pp.1963-1977.

Kumar, A., Ray, R.K. and Sheremet, M.A., 2022. Entropy generation on double-diffusive MHD slip flow of nanofluid over a rotating disk with nonlinear mixed convection and Arrhenius activation energy. Indian Journal of Physics, 96(2), pp.525-541.

Kumar, A. and Ray, R.K., 2021. Shape effect of nanoparticles and entropy generation analysis for magnetohydrodynamic flow of (A l 2 O 3-C u/H 2 O) hybrid nanomaterial under the influence of Hall current. Indian Journal of Physics.

Choudhary, P. and Ray, R.K., 2021. Numerical study on combined convection heat transfer flow problem in a porous corrugated enclosure. Heat Transfer, 51(4), pp.3279-3312.

Ray, R.K., Haty, A. and Kumar, A., 2021. Heat transfer past rotationally oscillating circular cylinder heated with time‐periodic pulsating temperature in a uniform flow. Heat Transfer, 51(3), pp.2808-2836.

Majee, S., Jain, S.K., Ray, R.K. and Majee, A.K., 2021. A fuzzy edge detector driven telegraph total variation model for image despeckling. Inverse Problems and Imaging (AIP)

Kumar, A., Ray, R.K. and Raha, S., 2021. Impact of inlet shear on unsteady boundary layer separation from two square cylinders in tandem arrangement. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 43(12), pp.1-24.

Kumbhakar, M., Ray, R.K., Chakraborty, S.K., Ghoshal, K. and Singh, V.P., 2021. Mathematical modelling of streamwise velocity profile in open channels using Tsallis entropy. Communications in Nonlinear Science and Numerical Simulation, 94, p.105581.

Mittal, H.V.R., Ray, R.K., Gadêlha, H. and Patil, D.V., 2021. A coupled immersed interface and level set method for simulation of interfacial flows steered by surface tension. Experimental and Computational Multiphase Flow, 3(1), pp.21-37.

Kumbhakar, M., Ray, R.K., Ghoshal, K. and Singh, V.P., 2020. On the role of Tsallis entropy index for velocity modelling in open channels. Physica A: Statistical Mechanics and its Applications, 557, p.124901.

Majee, S., Jain, S.K., Ray, R.K. and Majee, A.K., 2020. On the development of a coupled nonlinear telegraph-diffusion model for image restoration. Computers & Mathematics with Applications, 80(7), pp.1745-1766.

Kumar, A. and Ray, R.K., 2020. A structural bifurcation analysis of flow phenomenon for shear flow past an inclined square cylinder: application to 2d unsteady separation. Fluid Dynamics, 55(3), pp.391-406.

Jain, S.K. and Ray, R.K., 2020. Non-linear diffusion models for despeckling of images: achievements and future challenges. IETE Technical Review, 37(1), pp.66-82.

Kumar, A. and Ray, R.K., 2020. Theoretical understanding of unsteady flow separation for shear flow past three square cylinders in vee shape using structural bifurcation analysis. Computational and Applied Mathematics, 39(3), pp.1-32.

Majee, S., Ray, R.K. and Majee, A.K., 2020. A gray level indicator-based regularized telegraph diffusion model: application to image despeckling. SIAM Journal on Imaging Sciences, 13(2), pp.844-870.

Kumar, A. and Ray, R.K., 2019. Structural bifurcation analysis of vortex shedding from shear flow past circular cylinder. Computational and Applied Mathematics, 38(3), pp.1-25.

Jain, S.K., Ray, R.K. and Bhavsar, A., 2019. A nonlinear coupled diffusion system for image despeckling and application to ultrasound images. Circuits, Systems, and Signal Processing, 38(4), pp.1654-1683.

Jain, S.K., Kumar, D., Thakur, M. and Ray, R.K., 2020. Proximal support vector machine-based hybrid approach for edge detection in noisy images. Journal of Intelligent Systems, 29(1), pp.1315-1328.

Tyagi, S., Jain, S.K., Abbas, S., Meherrem, S. and Ray, R.K., 2018. Time-delay-induced instabilities and Hopf bifurcation analysis in 2-neuron network model with reaction–diffusion term. Neurocomputing, 313, pp.306-315.

Mittal, H.V.R. and Ray, R.K., 2018. Solving immersed interface problems using a new interfacial points-based finite difference approach. SIAM Journal on Scientific Computing, 40(3), pp.A1860-A1883.

Kumar, A. and Ray, R.K., Structural Bifurcation Analysis of Unsteady Flow Separation for Shear Flow Past an Array of Three Square Cylinders in Series.

Mittal, H.V.R., Al-Mdallal, Q.M. and Ray, R.K., 2017. Locked-on vortex shedding modes from a rotationally oscillating circular cylinder. Ocean Engineering, 146, pp.324-338.

Mittal, H.V.R., Ray, R.K. and Al-Mdallal, Q.M., 2017. A numerical study of initial flow past an impulsively started rotationally oscillating circular cylinder using a transformation-free HOC scheme. Physics of Fluids, 29(9), p.093603.

Tyagi, S., Abbas, S. and Ray, R.K., 2018. Stability and Bifurcation Analysis of Cellular Neural Networks with Discrete and Distributed Delays. Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, 88(2), pp.325-337.

Ray, R.K. and Kumar, A., 2017. Numerical study of shear rate effect on unsteady flow separation from the surface of the square cylinder using structural bifurcation analysis. Physics of Fluids, 29(8), p.083604.

Kumar, A. and Ray, R.K., 2017, July. A numerical simulation of shear flow past two equal sized square cylinders arranged in parallel at Re= 500. In AIP conference proceedings (Vol. 1863, No. 1, p. 490003). AIP Publishing LLC.

Mittal, H.V.R. and Ray, R.K., 2017, July. Solving moving interface problems using a higher order accurate finite difference scheme. In AIP Conference Proceedings (Vol. 1863, No. 1, p. 490002). AIP Publishing LLC.

Mittal, H.V.R., Kalita, J.C. and Ray, R.K., 2016. A class of finite difference schemes for interface problems with an HOC approach. International Journal for Numerical Methods in Fluids, 82(9), pp.567-606.

Ray, R.K. and Kalita, J.C., 2016. Higher-order-compact simulation of unsteady flow past a rotating cylinder at moderate Reynolds numbers. Computational and Applied Mathematics, 35(1), pp.219-250.

Jain, S.K., Ray, R.K. and Bhavsar, A., 2015. Iterative solvers for image denoising with diffusion models: A comparative study. Computers & Mathematics with Applications, 70(3), pp.191-211.

Kumar, A. and Ray, R.K., 2015. Numerical study of shear flow past a square cylinder at reynolds numbers 100, 200. Procedia Engineering, 127, pp.102-109.

Mittal, H.V.R. and Ray, R.K., 2015. An HOC based immersed interface scheme for uniform flow past a circular cylinder. Procedia Engineering, 127, pp.244-249.

Shi, Y.E., Ray, R.K. and Nguyen, K.D., 2013. A projection method-based model with the exact C-property for shallow-water flows over dry and irregular bottom using unstructured finite-volume technique. Computers & Fluids, 76, pp.178-195.

Mittal, H.V.R. and Ray, R.K., 2013. A Transform Free Higher Order Compact Finite Difference Scheme for Simulating the Flow behind a Rotationally Oscillating Circular Cylinder at Reynolds number 500. In Applied Mechanics and Materials (Vol. 367, pp. 126-131). Trans Tech Publications Ltd.

Ray, R.K. and Mittal, H.V.R., 2012. A Transform-Free HOC Scheme for Incompressible Viscous Flow past a Rotationally Oscillating Circular Cylinder. International Journal of Physical and Mathematical Sciences, 6(12), pp.1763-1769.

Ray, R.K., 2011. A transformation-free HOC scheme for incompressible viscous flow past a rotating and translating circular cylinder. Journal of Scientific Computing, 46(2), pp.265-293.

Ray, R.K. and Nguyen, K.D., 2010. An unstructured finite-volume technique for shallow-water flows with wetting and drying fronts. World Acad Sci Eng Tech, 71, pp.682-7.

Ray, R.K. and Kalita, J.C., 2010. A transformation‐free HOC scheme for incompressible viscous flows on nonuniform polar grids. International journal for numerical methods in fluids, 62(6), pp.683-708.

Kalita, J.C. and Ray, R.K., 2009. A transformation-free HOC scheme for incompressible viscous flows past an impulsively started circular cylinder. Journal of computational physics, 228(14), pp.5207-5236.

Ray, R.K., Kalita, J.C. and Dass, A.K., 2007, December. An efficient HOC scheme for transient convection‐diffusion‐reaction equations with discontinuous coefficients and singular source terms. In PAMM: Proceedings in Applied Mathematics and Mechanics (Vol. 7, No. 1, pp. 1025603-1025604). Berlin: WILEY‐VCH Verlag.