Journal
FRACTAL AND FRACTIONAL
Volume 6, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/fractalfract6050263
Keywords
mixed convection; elastic permeable medium; viscous dissipation; magneto-hydrodynamics (MHD); computational method; machine time
Categories
Funding
- National Natural Science Foundation of China [12172199]
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A novel computational approach is developed to investigate mixed convection boundary layer flow over a nonlinear elastic surface, and a similarity analysis is performed to formulate the mathematical modeling. The computational findings show that the proposed method is simple, reliable, and effective in resolving complex models of nonlinear boundary value problems.
A novel computational approach is developed to investigate the mixed convection, boundary layer flow over a nonlinear elastic (stretching or shrinking) surface. The viscous fluid is electrically conducting, incompressible, and propagating through a porous medium. The consequences of viscous dissipation, Joule heating, and heat sink/source of the volumetric rate of heat generation are also included in the energy balance equation. In order to formulate the mathematical modeling, a similarity analysis is performed. The numerical solution of nonlinear differential equations is accomplished through the use of a robust computational approach, which is identified as the Spectral Local Linearization Method (SLLM). The computational findings reported in this study show that, in addition to being simple to establish and numerically implement, the proposed method is very reliable in that it converges rapidly to achieve a specified goal and is more effective in resolving very complex models of nonlinear boundary value problems. In order to ensure the convergence of the proposed SLLM method, the Gauss-Seidel approach is used. The SLLM's reliability and numerical stability can be optimized even more using Gauss-Seidel approach. The computational results for different emerging parameters are computed to show the behavior of velocity profile, skin friction coefficient, temperature profile, and Nusselt number. To evaluate the accuracy and the convergence of the obtained results, a comparison between the proposed approach and the bvp4c (built-in command in Matlab) method is presented. The Matlab software, which is used to generate machine time for executing the SLLM code, is also displayed in a table.
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