Results 111 to 120 of about 2,976 (212)
Journal of Applied Mathematics, 2015 The pantograph equation is a special type of functional differential equations with proportional delay. The present study introduces a compound technique incorporating the perturbation method with an iteration algorithm to solve numerically the delay ...
M. Mustafa Bahşi, Mehmet Çevik
doaj +1 more source
Mathematical and Computer Modelling of Dynamical SystemsThis study investigates the theoretical and practical challenges in solving nonlinear pantograph integro-differential equations of fractional order on arbitrary time scales.
Kottakkaran Sooppy Nisar +3 more
doaj +1 more source
Study on aerodynamic drag and noise reduction of high-speed pantograph with streamwise holes
Engineering Applications of Computational Fluid MechanicsExploring ways to minimize drag and noise for high speed train pantographs is critical. This study investigates the effects of incorporating holes in the panhead as a potential solution for reducing drag and noise. Using an improved delayed detached eddy
Tian Li, Deng Qin, Xiang Kan, Jiye Zhang
doaj +1 more source
Fourier Operational Matrices of Differentiation and Transmission: Introduction and Applications
Abstract and Applied Analysis, 2013 This paper introduces Fourier operational matrices of differentiation and transmission for solving high-order linear differential and difference equations with constant coefficients.
F. Toutounian, Emran Tohidi, A. Kilicman
doaj +1 more source
Boundary value problems for pantograph equations under generalized
Annals of Communications in Mathematics, 2021 The sufficient conditions are estabilished for the existence of solutions for a class of boundary value problems for pantograph equations involving the ψ-type fractional deerivative in Caputo sense.
openaire +1 more source
Pantograph System with Mixed Riemann-Liouville and Caputo-Hadamard Sequential~ Fractional Derivatives: Existence and Ulam-Stability [PDF]
Mathematics Interdisciplinary ResearchThe pantograph equation improves the mathematical model of the system includes modeling the motion of the wire connected with the dynamics of the supports and modeling the dynamics of the pantograph. The subject of this paper is the existence and Ulam
Abdul Hamid Ganie +2 more
doaj +1 more source
机车电传动, 2016 Pantograph frame multiple rigid-body dynamics model with R/W equation based on relative coordinate system was built,and the motion differential equations and constraint equations were derived. Based on Lagrangian Multiplier Method and constraintviolation
WANG Jiangwen +3 more
doaj
Advances in Difference Equations, 2018 This paper uses new fractional integration operational matrices to solve a class of fractional neutral pantograph delay differential equations. A fractional-order function space is constructed where the exact solution lies in, and a set of orthogonal ...
Lei Shi +3 more
doaj +1 more source
Models of MOS and SOS devices [PDF]
, 1980 Quarterly report describes progress in three programs: dc sputtering machine for aluminum and aluminum alloys; two dimensional computer modeling of MOS transistors; and development of computer techniques for calculating redistribution diffusion of ...
Gassaway, J. D. +2 more
core +1 more source
MathematicsIn this paper, we study the initial value problem for the fractional differential equation with multiple deviating arguments. By using Krasnoselskii’s fixed point theorem, the conditions of solvability of the problem are obtained.
Natalia Dilna +3 more
doaj +1 more source