Results 21 to 30 of about 10,893 (284)

Solving 2D-Poisson equation using modified cubic B-spline differential quadrature method

open access: yesAin Shams Engineering Journal, 2018
In this study a modified cubic B-spline differential quadrature method (MCBDQM) is used to solve the two dimensional Poisson equation. Using the cubic B-spline functions, explicit expressions of weighting coefficients for approximation of derivatives are
Ahmed M. Elsherbeny   +3 more
doaj   +1 more source

Finite Element Quadrature of Regularized Discontinuous and Singular Level Set Functions in 3D Problems [PDF]

open access: yes, 2012
Regularized Heaviside and Dirac delta function are used in several fields of computational physics and mechanics. Hence the issue of the quadrature of integrals of discontinuous and singular functions arises.
PONARA, Nicola   +9 more
core   +1 more source

Analysis of Cylindrical Shells Using Generalized Differential Quadrature

open access: yesShock and Vibration, 1997
The analysis of cylindrical shells using an improved version of the differential quadrature method is presented. The generalized differential quadrature (GDQ) method has computational advantages over the existing differential quadrature method.
C.T. Loy, K.Y. Lam, C. Shu
doaj   +1 more source

A Composite Algorithm for Numerical Solutions of Two-Dimensional Coupled Burgers’ Equations

open access: yesJournal of Mathematics, 2021
In this study, a new composite algorithm with the help of the finite difference and the modified cubic trigonometric B-spline differential quadrature method is developed.
Vikas Kumar   +2 more
doaj   +1 more source

The Effect of Residual Stress on the Electromechanical Behavior of Electrostatic Microactuators

open access: yesActive and Passive Electronic Components, 2008
This work simulates the nonlinear electromechanical behavior of different electrostatic microactuators. It applies the differential quadrature method, Hamilton's principle, and Wilson-θ integration method to derive the equations of motion of ...
Ming-Hung Hsu
doaj   +1 more source

Dynamic Analysis of Electrostatic Microactuators Using the Differential Quadrature Method [PDF]

open access: yes, 2011
This work studies the dynamic behavior of electrostatic actuators using finite-element package software (FEMLAB) and differential quadrature method. The differential quadrature technique is used to transform partial differential equations into a discrete
Ming-Hung Hsu
core   +1 more source

Hybrid of differential quadrature and sub-gradients methods for solving the system of Eikonal equations

open access: yesNonlinear Engineering, 2021
Many important natural phenomena of wave propagations are modeled by Eikonal equations and a variety of new methods are needed to solve them. The differential quadrature method (DQM) is an effective numerical method for solving the system of differential
Meher Mehrollah, Rostamy Davood
doaj   +1 more source

An efficient numerical scheme for fractional model of telegraph equation

open access: yesAlexandria Engineering Journal, 2022
The present attempt is to design a novel approach for the numerical solution of fractional telegraph equation. The novelty of the paper exist in solving the time fractional telegraph equation with differential quadrature method based on cubic B-spline ...
M.S. Hashmi   +3 more
doaj   +1 more source

Differential quadrature and splines

open access: yesComputers & Mathematics with Applications, 1975
can be determinedusing interpolating polynomials. Although integral quadratures with a variety of interpolatingpolynomials are fully developed, the differential quadratures are still in an early stage ofdevelopment. Differentialquadrature hasobviousapplicationsinthe numericalsolutionof partialdifferential equations.
Bellman, R.   +3 more
openaire   +1 more source

One step multiderivative methods for first order ordinary differential equations

open access: yes, 1981
A family of one-step multiderivative methods based on Padé approximants to the exponential function is developed. The methods are extrapolated and analysed for use in PECE mode.
E. H. Twizell   +3 more
core   +1 more source

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