Results 81 to 90 of about 10,372 (181)

Shock-layer bounds for a singularly perturbed equation [PDF]

open access: yes
The size of the shock-layer governed by a conservation law is studied. The conservation law is a parabolic reaction-convection-diffusion equation with a small parameter multiplying the diffusion term and convex flux.
Scroggs, Jeffrey S.
core   +1 more source

Scaling Exponents of Turbulent Static Pressure Structure Function in the Inertial Subrange

open access: yesGeophysical Research Letters, Volume 52, Issue 11, 16 June 2025.
Abstract The measured variations in the turbulent static pressure structure function Dpp(r) ${D}_{pp}(r)$ with scale r $r$ in the roughness sublayer above a subarctic forest are empirically shown to exhibit exponents that are smaller than r4/3 ${r}^{4/3}$ predicted for the inertial subrange (ISR).
Gabriel G. Katul   +2 more
wiley   +1 more source

Overlapping domain decomposition method for singularly perturbed third order reaction-diffusion problems

open access: yesAin Shams Engineering Journal, 2018
In this paper, we present an analysis of overlapping Schwarz method for singularly perturbed third order reaction-diffusion problems. The Schwarz method invokes two fine mesh subdomains and one coarse mesh subdomain.
J. Christy Roja, A. Tamilselvan
doaj   +1 more source

Singularly perturbed equations of degenerate type

open access: yesAnnales de l'Institut Henri Poincaré C, Analyse non linéaire, 2017
This work is devoted to the study of nonvariational, singularly perturbed elliptic equations of degenerate type. The governing operator is anisotropic and ellipticity degenerates along the set of critical points. The singular behavior is of order \text{O}\left(\frac{1}{\epsilon }\right)
Damião J. Araújo   +2 more
openaire   +1 more source

Parameter uniform numerical method for fourth order singularly perturbed turning point problems exhibiting boundary layers

open access: yesAin Shams Engineering Journal, 2018
In this paper, a numerical method based on Shishkin mesh for a singularly perturbed fourth order differential equation with a turning point exhibiting boundary layers is presented. In this method the problem is transformed into a weakly coupled system of
N. Geetha, A. Tamilselvan
doaj   +1 more source

Numerical Methods for Singularly Perturbed Differential Equations

open access: yesIrish Mathematical Society Bulletin, 1986
Some simple examples are given of boundary layers appearing in solutions of second order differential equations.
openaire   +2 more sources

A numerical approach for investigating a special class of fractional Riccati equation

open access: yesResults in Physics, 2020
A computational scheme for solving special type of fractional Riccati equation with singularly perturbed (FRSP) is investigated. It is based on dividing the equation into algebraic equation and fractional equation.
Bothayna S. Kashkari, Muhammed I. Syam
doaj   +1 more source

Uniform asymptotic expansion of the solution for the initial value problem with a piecewise constant argument

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы
The article is devoted to the study of a singularly perturbed initial problem for a linear differential equation with a piecewise constant argument second-order for a small parameter.
A.E. Mirzakulova, K.T. Konisbayeva
doaj   +1 more source

Bifurcation of Solution in Singularly Perturbed ODEs by Using Lyapunov Schmidt Reduction

open access: yesمجلة علوم ذي قار, 2019
This paper aims to study the bifurcation of solution in singularly perturbed ODEs:                                     the hypothesis                                                                                      the bifurcation of ...
A. H.Kamil, K. H. Yasir
doaj   +4 more sources

Boundary layer analysis for nonlinear singularly perturbed differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2011
This paper focuses on the boundary layer phenomenon arising in the study of singularly perturbed differential equations. Our tools include the method of lower and upper solutions combined with analysis of the integral equation associated with the class ...
Robert Vrabel, V. Liska, I. Mankova
doaj   +1 more source

Home - About - Disclaimer - Privacy