Results 51 to 60 of about 1,955,543 (186)

Asymptotical analysis of some coupled nonlinear wave equations

open access: yesMathematical Modelling and Analysis, 2011
We consider coupled nonlinear equations modelling a family of travelling wave solutions. The goal of our work is to show that the method of internal averaging along characteristics can be used for wide classes of coupled non-linear wave equations such as
Aleksandras Krylovas, Rima Kriauzienė
doaj   +1 more source

The Maxwell equations as a B\"acklund transformation

open access: yes, 2019
Backlund transformations (BTs) are a useful tool for integrating nonlinear partial differential equations (PDEs). However, the significance of BTs in linear problems should not be ignored.
Papachristou, C. J.
core  

Electrohydrodynamic linear stability analysis of dielectric liquids subjected to unipolar injection in a rectangular enclosure with rigid sidewalls [PDF]

open access: yes, 2014
We investigate the linear stability threshold of a dielectric liquid subjected to unipolar injection in a 2D rectangular enclosure with rigid boundaries.
Pérez Izquierdo, Alberto Tomás   +3 more
core  

The Simplest Solution to an Underdetermined System of Linear Equations

open access: yes, 2007
Consider a d*n matrix A, with ...
Donoho, David   +2 more
core   +1 more source

Study of the linear ablation growth rate for the quasi isobaric model of Euler equations with thermal conductivity [PDF]

open access: yes, 2007
In this paper, we study a linear system related to the 2d system of Euler equations with thermal conduction in the quasi-isobaric approximation of Kull-Anisimov [14].
Lafitte, Olivier
core   +2 more sources

Reduced-Shifted Conjugate-Gradient Method for a Green's Function: Efficient Numerical Approach in a Nano-structured Superconductor

open access: yes, 2016
We propose the reduced-shifted Conjugate-Gradient (RSCG) method, which is numerically efficient to calculate a matrix element of a Green's function defined as a resolvent of a Hamiltonian operator, by solving linear equations with a desired accuracy ...
Futamura, Yasunori   +3 more
core   +1 more source

Critical analyses when modeling tree biomass to ensure additivity of its components

open access: yesAnais da Academia Brasileira de Ciências, 2018
It is presented the theme additivity of biomass of tree components. To evaluate and discuss this context, experimental information collected in forests of Acacia mearnsii De Wild. was used. Equations for components (stem and crown) and total biomass were
ALEXANDRE BEHLING   +6 more
doaj   +1 more source

User's manual for interactive LINEAR: A FORTRAN program to derive linear aircraft models [PDF]

open access: yes
An interactive FORTRAN program that provides the user with a powerful and flexible tool for the linearization of aircraft aerodynamic models is documented in this report.
Antoniewicz, Robert F.   +2 more
core   +1 more source

Standard diffusive systems are well-posed linear systems [PDF]

open access: yes, 2004
The class of well-posed linear systems as introduced by Salamon has become a well-understood class of systems, see e.g. the work of Weiss and the book of Staffans.
Matignon, Denis, Zwart, Hans
core   +1 more source

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