Results validation by using finite volume method for the blood flow with magnetohydrodynamics and hybrid nanofluids

Modern Physics Letters B, Год журнала: 2024, Номер 38(24)

Опубликована: Фев. 8, 2024

This paper conducts an extensive comparative analysis of numerical methods employed in modeling blood flow through arteries with Magnetohydrodynamics (MHD) and hybrid nanofluids. The study investigates the effectiveness precision distinct approaches: Akbari Ganji’s Method (AGM), Fourth-Order Runge–Kutta (RK4), Finite Volume (FVM), Element (FEM). These are essential for comprehending intricate fluid dynamics that arise presence magnetic fields nanofluids a phenomenon relevant numerous medical applications. Blood is subjected to homogeneous field radial direction while magneto-hemodynamics effect taken into account. A variety medical, physiological, surgical procedures, as well regulation pressure, heat distribution, wound healing, diagnostic imaging, drug discovery, depend on carry out vital functions such oxygen nutrition delivery, organ maintenance, healing. Our findings highlight each method has strengths, their applicability varies based problem’s characteristics computational resource constraints. aids researchers practitioners selecting most suitable requirements, advancing techniques complex involving MHD

Язык: Английский

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Mini-review on periodic properties of MEMS oscillators

Frontiers in Physics, Год журнала: 2024, Номер 12

Опубликована: Окт. 23, 2024

This paper features a survey of the periodic property micro-electro-mechanical systems by homotopy perturbation method, variational iteration theory, He’s frequency formulation, and Taylor series method. Fractal MEMS are also introduced, future prospective is elucidated. The emphasis this min-review article put mainly on developments in last decade, so references, therefore, not exhaustive.

Язык: Английский

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Force convective heat transfer simulation in a rectangular channel with multiple square obstacles via finite element method

Modern Physics Letters B, Год журнала: 2024, Номер 38(29)

Опубликована: Март 12, 2024

This study investigated fluid flow and forced convective heat transfer in rectangular microchannels with square barriers, as illustrated Fig. 1 . In the first situation, three obstacles were positioned along microchannel’s top wall. second scenario, bottom final example, are placed symmetrically on either side of microchannel With help Finite Element Method (FEM), we investigate physicochemical behavior microchannel. The development computer code within COMSOL multiphysics made it possible to simulate transport flow. results include implications rarefaction effect transmission decisions regarding location barriers shape squares. addition, lowest value skin friction a lower Nusselt number, third which has both sides, provides valuable method for reducing temperature at exit is because sides. section under “Results Discussion,” provide an in-depth analysis numerical data derived from • Objective: aims numerically channel featuring multiple obstacles. simulation employs FEM model distribution. Geometry complexity: geometry incorporates obstacles, introducing geometric complexity. chosen its capability handle intricate geometries accurately.

Язык: Английский

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From periodic to pseudo-periodic motion and pull-in instability of the MWCNT actuator in the vicinity of the graphite sheets

Chinese Journal of Physics, Год журнала: 2024, Номер 90, С. 557 - 571

Опубликована: Июнь 5, 2024

Язык: Английский

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Mathematical modeling of electroosmotic flow and thermal transport in stenotic tapered arteries using finite difference method

Modern Physics Letters B, Год журнала: 2025, Номер unknown

Опубликована: Янв. 27, 2025

This study investigates the electroosmotic flow and thermal transport of nanofluids, specifically aluminum oxide titanium dioxide, within tapered arteries with stenosis. Using finite difference method (FDM), we modeled dynamics heat transfer mechanisms under assumption low Reynolds numbers mild The focuses on effects nanoparticle volume fraction, absorption parameters, forces blood flow, velocity profiles, temperature distribution. Results show that increasing concentration significantly reduce velocity, particularly in divergent artery geometries. Additionally, inclusion enhances transfer, while Grashof number influences central velocity. These findings offer valuable insights into optimizing nanoparticle-based therapeutic interventions for cardiovascular treatments, providing a framework enhancing drug delivery systems improving efficacy heat-based therapies. study’s outcomes could lead to improved diagnostic tools strategies managing diseases.

Язык: Английский

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Nanoparticles Shape-Dependent Thermal Analysis of Non-Newtonian Hybrid Nanofluid over a Radiated Stretching Sheet

BioNanoScience, Год журнала: 2025, Номер 15(2)

Опубликована: Фев. 12, 2025

Язык: Английский

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Mathematical modeling and analysis of non-Newtonian Rabinowitsch fluid flow in an elliptical duct: Insights into pseudoplastic and dilatant behaviors

Modern Physics Letters B, Год журнала: 2025, Номер unknown

Опубликована: Апрель 20, 2025

This research introduces a novel mathematical model for the peristaltic flow of non-Newtonian Rabinowitsch fluid within an elliptical duct, uniquely capturing both pseudoplastic and dilatant behaviors. By employing Cartesian coordinates with boundary conditions, preserves duct’s geometric integrity. The resulting complex partial differential equations, though challenging, were solved exactly using dimensional analysis scaling methods. Additionally, perturbation techniques utilized to thoroughly analyze dynamics. Comprehensive graphical analyses depict key characteristics such as dimensionless velocity, axial pressure gradient, rise, offering fresh insights into behavior in geometries. findings reveal that increase volumetric rate significantly enhances central velocity particularly fluids, while fluids exhibit reduced under similar conditions. Notably, gradient demonstrates distinct patterns, showing oscillatory fluctuations, underscoring limitations Newtonian models accurately representing these

Язык: Английский

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Numerical investigation of a fractal oscillator arising from the microbeams-based microelectromechanical system

Alexandria Engineering Journal, Год журнала: 2025, Номер 126, С. 53 - 59

Опубликована: Апрель 25, 2025

Язык: Английский

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Thermal and flow analysis of bi-viscosity hybrid nanofluid between rotating disks under viscous dissipation and quadratic radiation effects: RSM approach

International Journal of Ambient Energy, Год журнала: 2025, Номер 46(1)

Опубликована: Июнь 5, 2025

Язык: Английский

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Applications of the Homotopy-based Fourier transform method for the dynamic solutions of differential equations

Modern Physics Letters B, Год журнала: 2024, Номер unknown

Опубликована: Июль 27, 2024

This paper introduces a groundbreaking method, Homotopy-based Fourier transform, integrating transform and Homotopy perturbation for refined nonlinear problem-solving. The modification enhances solution technique efficiency, notably accelerating convergence, particularly in solving the Korteweg–de Vries equation. Demonstrating versatility, method effectively addresses ordinary partial differential equations, showcasing its applicability across diverse mathematical scenarios. Moreover, approach is extended to dynamical systems, illustrating robustness handling complex dynamic behaviors. proves especially suitable highly offering an efficient effective tool scientists engineers dealing with intricate models. By significantly improving convergence rates, stands out as valuable asset unraveling complexities of systems various scientific engineering applications.

Язык: Английский

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