A state-constrained optimal-control problem is formulated to prevent healthcare-system overload dynamically while balancing intervention costs. The formulation leads to an eight-compartment model (S, U, D, T, H, R, E, V), which includes a separate compartment for hospitalisation...
Open access
Research Article10.9734/ajarr/2026/v20i71418
This study examines the numerical solutions of an unsteady natural convection Couette flow of a viscous, incompressible and electrically conducting fluid between the two vertical parallel plates in the presence of thermal radiation, Soret and Dufour. The fundamental dimensionless...
Open access
Research Article10.9734/psij/2023/v27i2780
This work focuses on valuation scheme of European and American options of single asset with meshless radial basis approximations. The prices are governed by Black – Scholes equations. The option price is approximated with three infinitely smooth positive definite radial basis fun...
Open access
Research Article10.9734/ajarr/2020/v10i130235
This paper is on the numerical study of the effects of some flow parameters like Hall current, rotation, thermal diffusion (Soret) and diffusion thermo (Dufour) on unsteady magnetohydrodynamic natural convective heat and mass transfer of a viscous, rotating, electrically conducti...
Open access
Research Article10.9734/arjom/2020/v16i630193
This paper examines the effect of some thermo-physical properties of fluid on heat and mass transfer flow past semi-infinite moving vertical plate. The fluid considered is optically thin such that the thermal radiative heat loss on the fluid is modeled using Rosseland approximati...
Open access
Research Article10.9734/jerr/2019/v8i216985
This work presents an efficient procedure based on Chebychev spectral collocation method for computing the 2D Laplace’s equation on a rectangular domain. The numerical results and comparison of finite difference and finite element methods are presented. We obtained a satisfactory...
Open access
Research Article10.9734/psij/2019/v23i130144
This paper presents the one-dimensional, positive temperature coefficient (PTC) thermistor equation, using the hyperbolic-tangent function as an approximation to the electrical conductivity of the device. The hyperbolic-tangent function describes the qualitative behaviour of the...
Open access
Research Article10.9734/arjom/2019/v14i230125
In this study, the Variational Iteration Method (VIM) is applied in finding the solution of differential equations with emphasis laid on the choice of the Lagrange multiplier used while employing VIM. Building on existing methods and variational theories, the operator D-Method an...
Open access
Research Article10.9734/jamcs/2020/v35i330261