Subrahamanyam Upadhyay

Magnetic resonance images denoising using a wavelet solution to laplace equation associated with a new variational model

Prateep Upadhyay, Subrahamanyam Upadhyay, K.K. Shukla · Applied Mathematics and Computation · 2021 · 43 citations

Wavelet Solution, Engineering, Medical Imaging +11

Three-dimensional flow of hybrid nanofluid through Darcy-Forchheimer porous surface: A Legendre wavelet collocation approach

Subrahamanyam Upadhyay, Himanshu Upreti, Alok Kumar Pandey · Numerical Heat Transfer Part A Applications · 2023 · 30 citations

Engineering, Nanoporous Material, Fluid Mechanics +23

Pseudo-Differential Operators Involving Hankel Transforms

R. S. Pathak, Subrahamanyam Upadhyay · Journal of Mathematical Analysis and Applications · 1997 · 27 citations

Resolvent Kernel, Riemann-hilbert Problem, Pseudo-differential Operators +2

Exploring the nanoparticle’s shape effect on boundary layer flow of hybrid nanofluid over a thin needle with quadratic Boussinesq approximation: Legendre wavelet approach

Himanshu Upreti, Alok Kumar Pandey, Tanya Gupta et al. · Journal of Thermal Analysis and Calorimetry · 2023 · 27 citations

Engineering, Physics, Nanomaterials +9

A new iterative least square Chebyshev wavelet Galerkin FEM applied to dual phase lag model on microwave drying of foods

Subrahamanyam Upadhyay, K.N. Rai · International Journal of Thermal Sciences · 2019 · 25 citations

Microwave Drying, Computational Electromagnetics, Engineering +1