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Fallah, Alimohammad, Talebi Rostam, Yahya, Ramya, N Ramya. (1404). Fuzzy-based numerical investigation of MHD nanofluid flow over a stretching surface with darcy-forchheimer porous medium efects. پژوهشنامه مدیریت اجرایی, 14(2), 410-423. doi: 10.22080/cjms.2025.29539.1766
Alimohammad Fallah; Yahya Talebi Rostam; N Ramya Ramya. "Fuzzy-based numerical investigation of MHD nanofluid flow over a stretching surface with darcy-forchheimer porous medium efects". پژوهشنامه مدیریت اجرایی, 14, 2, 1404, 410-423. doi: 10.22080/cjms.2025.29539.1766
Fallah, Alimohammad, Talebi Rostam, Yahya, Ramya, N Ramya. (1404). 'Fuzzy-based numerical investigation of MHD nanofluid flow over a stretching surface with darcy-forchheimer porous medium efects', پژوهشنامه مدیریت اجرایی, 14(2), pp. 410-423. doi: 10.22080/cjms.2025.29539.1766
Fallah, Alimohammad, Talebi Rostam, Yahya, Ramya, N Ramya. Fuzzy-based numerical investigation of MHD nanofluid flow over a stretching surface with darcy-forchheimer porous medium efects. پژوهشنامه مدیریت اجرایی, 1404; 14(2): 410-423. doi: 10.22080/cjms.2025.29539.1766

Fuzzy-based numerical investigation of MHD nanofluid flow over a stretching surface with darcy-forchheimer porous medium efects

Caspian Journal of Mathematical Sciences
دوره 14، شماره 2 - شماره پیاپی 26، 2025، صفحه 410-423    اصل مقاله (311.65 K)
نوع مقاله: Research Articles
شناسه دیجیتال (DOI): 10.22080/cjms.2025.29539.1766
نویسندگان
Alimohammad Fallah* 1؛ Yahya Talebi Rostam2؛ N Ramya Ramya3
1Department of Mathematics Education, Farhangian University, P.O. Box 14665-889, Tehran, Iran.
2Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran.
3Department of Mathematics, Kongu Engineering College, Erode 638060, India.
تاریخ دریافت: 03 تیر 1404،  تاریخ پذیرش: 25 شهریور 1404 
چکیده
This paper presents a numerical study on the steady two-dimensional flow of a magnetohydrodynamic (MHD) nanofluid over a convective stretching surface embedded within a porous medium, accounting for nonlinear Darcy--Forchheimer resistance. To effectively address uncertainties in critical physical parameters such as magnetic field strength and porous medium permeability, fuzzy set theory is applied. The governing boundary layer equations containing fuzzy parameters are converted into nonlinear fuzzy ordinary differential equations through similarity transformations and solved using the \(\alpha\)-cut technique. The results indicate that increases in the fuzzy magnetic field and Darcy--Forchheimer parameters lead to elevated velocity and microrotation profiles, while temperature and nanoparticle concentration profiles decrease. The fuzzy approach provides uncertainty intervals around these predictions, offering valuable insights for engineering designs involving nanofluid flows under imprecise conditions.
کلیدواژه‌ها
Magnetohydrodynamics؛ Nanofluid flow؛ DarcyForch-heimer porous medium؛ Fuzzy set theory؛ Uncertainty analysis
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