Results 21 to 30 of about 5,022 (117)

Numerical Solutions of Fractional Differential Equations by Using Laplace Transformation Method and Quadrature Rule

open access: yesFractal and Fractional, 2021
This paper introduces an efficient numerical scheme for solving a significant class of fractional differential equations. The major contributions made in this paper apply a direct approach based on a combination of time discretization and the Laplace ...
Samaneh Soradi-Zeid   +2 more
doaj   +1 more source

Research on the Frequency Response and Dynamic Range of the Quadrature Fiber Optic Fabry–Perot Cavity Microphone Based on the Differential Cross Multiplication Demodulation Algorithm

open access: yesSensors, 2021
A quadrature fiber optic Fabry–Perot cavity microphone based on a differential cross multiplication algorithm consists of a pair of fibers and a membrane.
Baokai Ren   +6 more
doaj   +1 more source

A Least Squares Differential Quadrature Method for a Class of Nonlinear Partial Differential Equations of Fractional Order

open access: yesMathematics, 2020
In this paper a new method called the least squares differential quadrature method (LSDQM) is introduced as a straightforward and efficient method to compute analytical approximate polynomial solutions for nonlinear partial differential equations with ...
Constantin Bota   +4 more
doaj   +1 more source

The application of the differential quadrature method based on a piecewise polynomial to the vibration analysis of geometrically nonlinear beams

open access: yesComputer Assisted Methods in Engineering and Science, 2022
The paper deals with the application of the differential quadrature method based on a piecewise polynomial to the nonlinear vibration analysis of beams. The initial-boundary-value problem is solved to study the computational stability of the method. The
Artur Krowiak
doaj  

Cubic spline based differential quadrature method: A numerical approach for fractional Burger equation

open access: yesResults in Physics, 2021
In this research paper, our main objective is to represent a direct numerical approach for solving time-fractional Burger’s equation using modified hybrid B-spline basis function. The Caputo derivative is used to discretize the time-fractional derivative
Muhammad Sadiq Hashmi   +4 more
doaj   +1 more source

Planar quadrature RF transceiver design using common-mode differential-mode (CMDM) transmission line method for 7T MR imaging. [PDF]

open access: yesPLoS ONE, 2013
The use of quadrature RF magnetic fields has been demonstrated to be an efficient method to reduce transmit power and to increase the signal-to-noise (SNR) in magnetic resonance (MR) imaging. The goal of this project was to develop a new method using the
Ye Li   +4 more
doaj   +1 more source

Static and free vibration analysis of carbon nano wires based on Timoshenko beam theory using differential quadrature method

open access: yesLatin American Journal of Solids and Structures
Static and free vibration analysis of carbon nano wires with rectangular cross section based on Timoshenko beam theory is studied in this research. Differential quadrature method (DQM) is employed to solve the governing equations.
Maziar Janghorban
doaj   +1 more source

Differential Quadrature Solution of Hyperbolic Telegraph Equation

open access: yesJournal of Applied Mathematics, 2012
Differential quadrature method (DQM) is proposed for the numerical solution of one- and two-space dimensional hyperbolic telegraph equation subject to appropriate initial and boundary conditions.
B. Pekmen, M. Tezer-Sezgin
doaj   +1 more source

Computational Approach for Differential Equations with Local and Nonlocal Fractional-Order Differential Operators

open access: yesJournal of Mathematics, 2023
Laplace transform has been used for solving differential equations of fractional order either PDEs or ODEs. However, using the Laplace transform sometimes leads to solutions in Laplace space that are not readily invertible to the real domain by ...
null Kamran   +4 more
doaj   +1 more source

Distinctive Shape Functions of Fractional Differential Quadrature for Solving Two-Dimensional Space Fractional Diffusion Problems

open access: yesFractal and Fractional, 2023
The aim of this study is to utilize a differential quadrature method with various kernels, such as Lagrange interpolation and discrete singular convolution, to tackle problems related to the Riesz fractional diffusion equation and the Riesz fractional ...
Abdelfattah Mustafa   +4 more
doaj   +1 more source

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