Results 81 to 90 of about 2,389 (167)

Evaluating the impact of vaccination and progression delays on tuberculosis dynamics with disability outcomes: A case study in Saudi Arabia

AIMS Mathematics
Tuberculosis (TB) remains a major global health concern due to its infectious nature and complex treatment process. In this study, we developed a mathematical model incorporating TB progression, vaccination, latency delays, and disability outcomes.
Kamel Guedri, Rahat Zarin, Mowffaq Oreijah   +2 more
doaj   +1 more source

Effect of Random Parameter Switching on Commensurate Fractional Order Chaotic Systems

, 2016
The paper explores the effect of random parameter switching in a fractional order (FO) unified chaotic system which captures the dynamics of three popular sub-classes of chaotic systems i.e. Lorenz, Lu and Chen's family of attractors.
Das, Saptarshi, Das, Shantanu, Pan, Indranil   +2 more
core   +1 more source

On Theoretical and Numerical Results of Serum Hepatitis Disease Using Piecewise Fractal–Fractional Perspectives

Fractal and Fractional
In the present research, we consider a biological model of serum hepatitis disease. We carry out a detailed analysis of the mentioned model along with a class with asymptomatic carriers to explore its theoretical and numerical aspects.
Zareen A. Khan, Arshad Ali, Ateeq Ur Rehman Irshad, Burhanettin Ozdemir, Hussam Alrabaiah   +4 more
doaj   +1 more source

Mathematical analysis of tri-trophic food webs with carrying capacity and Holling-type predation using fractal-fractional Caputo derivatives

AIMS Mathematics
This research investigated a tri-trophic food chain model, incorporating carrying capacity and Holling-type predation, formulated using the fractal-fractional Caputo derivative.
Amjad E. Hamza, Arshad Ali, Khaled Aldwoah, Hicham Saber, Ria Egami, Amel Touati, Amal F. Alharbi   +6 more
doaj   +1 more source

Block Milne’s Implementation For Solving Fourth Order Ordinary Differential Equations [PDF]

, 2018
Block predictor-corrector method for solving non-stiff ordinary differential equations (ODEs) started with Milne’s device. Milne’s device is an extension of the block predictor corrector method providing further benefits and better results.
Eke, Kanayo Stella, Odetunmibi, , O. A., Oghonyon, J. G., Okunuga, S. A.   +3 more
core   +1 more source

Sphaleron transition rate in the classical 1+1 dimensional abelian Higgs model at finite temperature

, 1993
We compute the sphaleron transition rate in the 1+1 dimensional abelian Higgs model at finite temperature, by real time simulation using the classical canonical ensemble.Comment: 3 pages to appear in the Proceedings of Lattice '93, Dallas, Texas, 12-16
Smit, J., Tang, W. H.
core   +2 more sources

Optimization of thermal performance in hybrid nanofluids for parabolic trough solar collectors using Adams–Bashforth–Moulton method

Ain Shams Engineering Journal
Solar energy is an environment-friendly renewable energy source that fulfills the energy consumption requirements of the world economy. Concentrated solar power is the most advanced technology that efficiently absorbs concentrated solar energy.
Anup Kumar, Bhupendra K. Sharma, Taseer Muhammad, Laura M. Pérez   +3 more
doaj   +1 more source

A mathematical analysis of human papilloma virus (HPV) disease with new perspectives of fractional calculus

Alexandria Engineering Journal
The human papilloma virus (HPV) presents a significant global public health challenge, especially in regions with limited access to healthcare and preventive measures.
Thabet Abdeljawad, Nadeem Khan, Bahaaeldin Abdalla, Asma Al-Jaser, Manar Alqudah, Kamal Shah   +5 more
doaj   +1 more source

Fractional-order boundary value problems solutions using advanced numerical technique

Partial Differential Equations in Applied Mathematics
The main motivation of this study is to extend the use of the operational matrices approach to solve fractional-order two-point boundary value problems (TPBVPs), a method often employed in the literature for solving fractional-order initial value ...
Asmat Batool, Imran Talib, Muhammad Bilal Riaz   +2 more
doaj   +1 more source

Effect of boundary roughness on nonlinear saturation of Rayleigh-Taylor instability in couple-stress fluid

Nonlinear Engineering, 2019
The boundary roughness effects on nonlinear saturation of Rayleigh-Taylor instability (RTI) in couple-stress fluid have been studied using numerical technique on the basis of stability of interface between two fluids of the system.
Awati Vishwanath B., Chavaraddi Krishna B., Gouder Priya M.   +2 more
doaj   +1 more source