Parameter uniform higher order numerical treatment for singularly perturbed Robin type parabolic reaction diffusion multiple scale problems with large delay in time
In this paper, we address a class of boundary layer originated singularly perturbed parabolic
reaction-diffusion problems with Robin boundary conditions having large time delay; for the …
reaction-diffusion problems with Robin boundary conditions having large time delay; for the …
A graded mesh refinement approach for boundary layer originated singularly perturbed time‐delayed parabolic convection diffusion problems
In this work, we consider a graded mesh refinement algorithm for solving time‐delayed
parabolic partial differential equations with a small diffusion parameter. The presence of this …
parabolic partial differential equations with a small diffusion parameter. The presence of this …
Numerical treatment of two‐parameter singularly perturbed parabolic convection diffusion problems with non‐smooth data
In the present work, we consider a parabolic convection‐diffusion‐reaction problem where
the diffusion and convection terms are multiplied by two small parameters, respectively. In …
the diffusion and convection terms are multiplied by two small parameters, respectively. In …
A theoretical study of the fractional-order p-Laplacian nonlinear Hadamard type turbulent flow models having the Ulam–Hyers stability
In this article, we study the solvability properties of some nonlinear Hadamard type nonlocal
turbulent flow models in porous medium involving the p-Laplacian operator. Based on a …
turbulent flow models in porous medium involving the p-Laplacian operator. Based on a …
A perturbation-based approach for solving fractional-order Volterra–Fredholm integro differential equations and its convergence analysis
The present work considers the approximation of solutions of a type of fractional-order
Volterra–Fredholm integro-differential equations, where the fractional derivative is …
Volterra–Fredholm integro-differential equations, where the fractional derivative is …
Higher order accurate approximations on equidistributed meshes for boundary layer originated mixed type reaction diffusion systems with multiple scale nature
In the present research, we consider a boundary layer originated system of reaction diffusion
problems whose boundary conditions are of mixed type. This problem is singularly …
problems whose boundary conditions are of mixed type. This problem is singularly …
Computational cost reduction for coupled system of multiple scale reaction diffusion problems with mixed type boundary conditions having boundary layers
In this article, we consider the computational cost reduction of approximating a coupled
system of time variant multiscale parameterized problems with mixed type conditions, in …
system of time variant multiscale parameterized problems with mixed type conditions, in …
A moving mesh refinement based optimal accurate uniformly convergent computational method for a parabolic system of boundary layer originated reaction–diffusion …
In this paper, a system of time dependent boundary layer originated reaction dominated
problems with diffusion parameters of different magnitudes, is considered for numerical …
problems with diffusion parameters of different magnitudes, is considered for numerical …
A higher order difference method for singularly perturbed parabolic partial differential equations
P Das - Journal of Difference Equations and Applications, 2018 - Taylor & Francis
This paper studies a higher order numerical method for the singularly perturbed parabolic
convection-diffusion problems where the diffusion term is multiplied by a small perturbation …
convection-diffusion problems where the diffusion term is multiplied by a small perturbation …
An a posteriori based convergence analysis for a nonlinear singularly perturbed system of delay differential equations on an adaptive mesh
P Das - Numerical Algorithms, 2019 - Springer
The present work considers a nonlinear system of singularly perturbed delay differential
equation whose each component of the solution has multiple layers. Here, we provide an a …
equation whose each component of the solution has multiple layers. Here, we provide an a …