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2181
A Hybrid Power Series Artificial Bee Colony Algorithm to Obtain a Solution for Buckling of Multiwall Carbon Nanotube Cantilevers Near Small Layers of Graphite Sheets
Published 2012-01-01“…A trial solution of the differential equation is defined as sum of two polynomial parts. …”
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2182
Mathematical insights on psoriasis regulation: Role of Th1 and Th2 cells
Published 2018-05-01“…In this article, we have constructed a set of nonlinear differential equations involving the above cell population for better understanding the impact of cytokines on Psoriasis. …”
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2183
Nonlinear Autoregressive Neural Network for Antimicrobial Waste Water Treatment
Published 2022-01-01“…Dirichlet design parameters and a combined combination of Neumann and Dirichlet boundary situation are applied to the system of differential equations. In addition, the proposed method use the learning under supervision technique of a nonlinear autoregressive for estimating the CO2 concentration and flows in units of rate of a reaction characteristics, an exogenous (NARX) neural network model with two activation functions was used (Log-sigmoid and hyperbolic tangent) and for both the findings of a TC and SMX absorption simulations showed the random forest performed support vector tree and nonlinear autoregressive exogenous neural networks and machine learning methods. …”
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2184
Differential game theory application in models of trade relations of Great Britain with Portugal and Russia with Belarus
Published 2018-06-01“…The author composes and analyzes a system of four nonlinear ordinary differential equations with parameters, and their (dynamic) variation leads to the improvement of successive approximations of the exact solution, the finding of which is very problematic. …”
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2185
Data-driven model discovery and model selection for noisy biological systems.
Published 2025-01-01“…Biological systems exhibit complex dynamics that differential equations can often adeptly represent. Ordinary differential equation models are widespread; until recently their construction has required extensive prior knowledge of the system. …”
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2186
Asymptotical Behavior of the Solution of a SDOF Linear Fractionally Damped Vibration System
Published 2011-01-01“…The solutions of the initial value problems of linear fractional differential equations are usually expressed in terms of Mittag-Leffler functions or some other kind of power series. …”
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2187
Study on construction and identification of dynamic model of precooler in aviation bleed air system
Published 2024-12-01“…The finite element method was used to establish the partial differential equation of the heat exchange mechanism, and the heat exchange mechanism of the precooler was analyzed. …”
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2188
Control optimization of air traffic emissions in a two-variable dynamic model
Published 2025-01-01“…This study used a two variable differential equations model with a non-linear control term to address several aspects of the emissions stabilization issue. …”
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2189
Robust pareto multiobjective optimum design of FG-Beam under moving mass
Published 2024-06-01“…By substituting terms of energy into the Lagrange equation, differential equations of motion are obtained. Displacement fields as a function of time and x-coordinate are calculated by means of the numerical solution of the above-mentioned equations. …”
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2190
Investigation of properties of system of automatic control of liquid-propellant rocket propulsion system with integrating regulator
Published 2019-03-01“…There are obtained differential equations describing the operation of the comparison element, the throttle valve, the hydraulic amplifier, and the processes in the gas generator. …”
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2191
Global stability for a mosquito-borne disease model with continuous-time age structure in the susceptible and relapsed host classes
Published 2024-11-01“…The system of integro-differential equations uses flexible, unspecified functions to represent these dependencies, assuming they are integrable. …”
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2192
Steady Three-Dimensional MHD Mixed Convection Couple Stress Flow of Hybrid Nanofluid with Hall and Ion Slip Effect
Published 2022-01-01“…To transform the nonlinear partial differential equation to a nonlinear ordinary differential equation we used the defined similarity transformation. …”
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2193
On the possibility of controlling the temperature of gases and liquids in a transportation system by local cooling or heating with account salt deposition
Published 2024-09-01“…The model is based on an analytical solution of partial differential equations with nonlinearity and variation of their coefficients in space and time. …”
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2194
Simple Ion Transfer at Liquid|Liquid Interfaces
Published 2012-01-01“…We describe numerical simulations implementing different approaches for solving the differential equations associated with the mass transport and charge transfer. …”
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2195
Artificial neural network analysis of Jeffrey hybrid nanofluid with gyrotactic microorganisms for optimizing solar thermal collector efficiency
Published 2025-02-01“…The non-similar variables are introduced to the dimensional governing equations to get the non-dimensional ordinary differential equations. The Cash and Carp method is implemented to solve the non-dimensional equations. …”
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2196
Mathematical analysis of Lassa fever epidemic with real data
Published 2025-01-01“…Seven dimensional mathematical model is considered as the system of ordinary differential equations. First, we compute the equilibrium point in which no disease exists then, after finding the reproduction number, both types of stabilities, local and global, of this equilibrium point is discussed. …”
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2197
Effect of Tooth Surface Friction on Bending Torsional Axial Pendular Coupling Nonlinear Amplitude Frequency Characteristic of Marine Herringbone Gear
Published 2022-05-01“…The Runge-Kutta numerical method is used to solve the differential equation. The phase diagram and time history diagram of the non-dimensional frequency system under the influence of tooth surface friction are obtained. …”
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2198
What can mathematical models tell us about the relationship between circular migrations and HIV transmission dynamics?
Published 2014-05-01“…We construct models from each class, usingordinary differential equations and exponential random graph models,respectively. …”
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2199
Radionuclide Transport in Fractured Rock: Numerical Assessment for High Level Waste Repository
Published 2013-01-01“…Transport in the fracture is assumed to obey an advection-diffusion equation, while molecular diffusion is considered the dominant mechanism of transport in porous matrix. The partial differential equations describing the movement of radionuclides were discretized by finite difference methods, namely, fully explicit, fully implicit, and Crank-Nicolson schemes. …”
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2200
Hydromagnetic Flow of Two Immiscible Couple Stress Fluids through Porous Medium in a Cylindrical Pipe with Slip Effect
Published 2023-01-01“…The resulting differential equations governing the flow in the two regions are converted to nondimensional forms using appropriate dimensionless variables. …”
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