Browsing Others by Title
Now showing items 72-91 of 110
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On a SEIR-type model of COVID-19 using piecewise and stochastic differential operators undertaking management strategies
(American Institute of Mathematical Sciences, 2023)In this work, an epidemic model of a susceptible, exposed, infected and recovered SEIR-type is established for the distinctive dynamic compartments and epidemic characteristics of COVID-19 as it spreads across a population ... -
On coupled system of drug therapy via piecewise equations
(World Scientific, 2022)This paper is devoted to establish some theoretical and computational results for a coupled system of drug therapy process. The considered problem is investigated by using the concept of piecewise modeling. We apply piecewise ... -
On existence and stability results for pantograph fractional boundary value problems
(World Scientific, 2022)In this paper, we investigated some essential provisions for the existence and stability of the solution to integral boundary value problems with proportional delay of fractional order Atangana-Baleanu-Caputo (ABC) derivative. ... -
On Subspace Codisk-Cyclicity
(University of Baghdad-College of Science, 2023)Let N be a subspace of an infinite dimensional complex separable on a Hilbert space ℋ. The operator T ∈ ℬ(ℋ) is said to be N-codisk-cyclic, if there is a nonzero vector y in ℋ, then N ∩ {βTn y: β ∈ ℂ, |β| ≥ 1, n ∈ ℕ} is ... -
On the Dynamics of One Parameter Family of Functions fk(x) = kcsc(x) [fk(x) = kcsc(x) ديناميكية عائلة الدوال ذات المعلمة الواحدة]
(University of Baghdad-College of Science, 2022)In this research, we study the dynamics of one parameter family of meromorphic functions * () () +. Furthermore, we describe the nature of fixed points of the functions in,and we explain the numbers of real fixed points ... -
Optimization of Exploration and Production Sharing Agreements Using the Maxi-Min and Nash Solutions
(MDPI, 2022)Cooperation between supply chain partners in the oil industry is essential, especially when oil prices suffer from fluctuations that affect the profitability of each party. An essential task in oil field development projects ... -
Parametric estimation of gyrotactic microorganism hybrid nanofluid flow between the conical gap of spinning disk-cone apparatus
(Nature Research, 2022)The silver, magnesium oxide and gyrotactic microorganism-based hybrid nanofluid flow inside the conical space between disc and cone is addressed in the perspective of thermal energy stabilization. Different cases have been ... -
Practical implementation of secondary control principles in an electro-hydraulic speed-variable drive applied to an injection moulding machine
(American Society of Mechanical Engineers, 2023)In this work, a hydraulic state of the art injection molding machine is retrofitted with a dual pump drive. The dual pump drive is an electro-hydraulic speed-variable drive, with focus on high bandwidth control through ... -
Qualitative analysis of nonlinear coupled pantograph differential equations of fractional order with integral boundary conditions
(Springer, 2020)In this research article, we develop a qualitative analysis to a class of nonlinear coupled system of fractional delay differential equations (FDDEs). Under the integral boundary conditions, existence and uniqueness for ... -
Radiative mixed convection flow of Maxwell nanofluid over a stretching cylinder with joule heating and heat source/sink effects
(Nature Research, 2020)This work analyses thermal effect for a mixed convection flow of Maxwell nanofluid spinning motion produced by rotating and bidirectional stretching cylinder. Impacts of Joule heating and internal heat source/sink are also ... -
Reduced-cost microwave modeling using constrained domains and dimensionality reduction
(Nature Research, 2023-12)Development of modern microwave devices largely exploits full-wave electromagnetic (EM) simulations. Yet, simulation-driven design may be problematic due to the incurred CPU expenses. Addressing the high-cost issues ... -
Revolutionizing Diabetes Diagnosis: Machine Learning Techniques Unleashed
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-11)The intricate and multifaceted nature of diabetes disrupts the body’s crucial glucose processing mechanism, which serves as a fundamental energy source for the cells. This research aims to predict the occurrence of diabetes ... -
Revolutionizing Small-Scale Retail: Introducing an Intelligent IoT-based Scale for Efficient Fruits and Vegetables Shops
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)In the bustling streets of Pakistan, small-scale fruits and vegetables shops stand as vital hubs of daily life. These humble establishments are where people flock to satisfy their everyday needs. However, the traditional ... -
Robust Exploration and Production Sharing Agreements Using the Taguchi Method
(MDPI, 2022)The short- and long-term volatility of oil and gas prices has a wide-ranging impact on both parties of petroleum contractual agreements, thus affecting the profitability of the project at any stage. Therefore, the government ... -
Selection of effective combination of time and frequency features using PSO-based technique for monitoring oil pipelines
(Elsevier B.V., 2023-11-01)Pipeline installation is a time-consuming and expensive process in the oil sector. Because of this, a pipe is often utilized to carry diverse petroleum products; hence, it is crucial to use a precise and dependable control ... -
A semi-analytical solution of the magnetohydrodynamic blood-based ternary hybrid nanofluid flow over a convectively heated bidirectional stretching surface under velocity slip conditions
(American Institute of Physics, 2024)This work inspects the thermal transportation of the magnetohydrodynamic Casson trihybrid nanofluid flow over a convectively heated bidirectional elongating sheet. The flow is considered as three dimensional passing over ... -
Series solutions for nonlinear time-fractional Schrödinger equations: Comparisons between conformable and Caputo derivatives
(Elsevier B.V., 2020)In the present paper, we present the exact analytical solution of the time-fractional Schrödinger equation (TFSE) in the sense of conformable fractional derivative (Co-FD) based on the residual power series method (RPSM). ... -
Setting time, sulfuric acid resistance, and strength development of alkali-activated mortar with slag & fly ash binders
(Elsevier B.V., 2024-03)This study evaluated the effect of initial molar ratios SiO2/Al2O3 and (CaO + SiO2)/Al2O3, on the setting time of mortar with alkali-activated Ground Granulated Blast Furnace Slag (GBS) and fly ash (FA) binders. The study ... -
Short-Term Scheduling of Cryogenic Energy Storage Systems in Microgrids Considering CHP-Thermal-Heat-Only Units and Plug-in Electric Vehicles
(University of Mohaghegh Ardabili, Faculty of Electrical Engineering, 2024-08)With the exponential penetration of renewable energy sources (RES), the need for compatible scheduling of these has increased from economic and environmental points of view. Due to the high-efficiency and fast-response ... -
Significant involvement of double diffusion theories on viscoelastic fluid comprising variable thermophysical properties
(MDPI AG, 2021)This report examines the heat and mass transfer in three-dimensional second grade non-Newtonian fluid in the presence of a variable magnetic field. Heat transfer is presented with the involvement of thermal relaxation time ...