Results 41 to 50 of about 2,366,993 (184)

Linear congruences and hyperbolic systems of conservation laws [PDF]

open access: yes, 2005
S. I. Agafonov and E. V. Ferapontov have introduced a construction that allows naturally associating to a system of partial differential equations of conservation laws a congruence of lines in an appropriate projective space. In particular hyperbolic systems of Temple class correspond to congruences of lines that place in planar pencils of lines.
DE POI P., MEZZETTI, EMILIA
openaire   +3 more sources

Exact and approximate solutions of Riemann problems in non-linear elasticity [PDF]

open access: yes, 2009
Eulerian shock-capturing schemes have advantages for modelling problems involving complex non-linear wave structures and large deformations in solid media.
Barton, Philip Trevor   +3 more
core   +1 more source

The analytical interface coupling of arbitrary-order fractional nonlinear hyperbolic scalar conservation laws

open access: yesAdvances in Difference Equations, 2020
In this paper, the existence and uniqueness of the interface coupling (IC) of time and spatial (TS) arbitrary-order fractional (AOF) nonlinear hyperbolic scalar conservation laws (NHSCL) are investigated.
S. M. R. Shirkhorshidi   +4 more
doaj   +1 more source

An Improved WENO-Z Scheme for Hyperbolic Conservation Laws with New Global Smoothness Indicator

open access: yesMathematics, 2023
The fifth-order WENO-Z scheme proposed by Borges et al., using a linear combination of low-order smoothness indicators, is designed to provide a low numerical dissipation to solve hyperbolic conservation laws, while the power q in the framework of WENO-Z
Shuang Han, Mingjun Li
doaj   +1 more source

Riemann Invariants and Rank-k Solutions of Hyperbolic Systems [PDF]

open access: yes, 2006
In this paper we employ a "direct method" in order to obtain rank-k solutions of any hyperbolic system of first order quasilinear differential equations in many dimensions.
Huard, Benoit, Grundland, A. Michel
core   +1 more source

On nonlinear strain vectors and tensors in continuum theories of mechanics

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2014
A non-linear mathematical model of hyperbolic thermoelastic continuum with fine microstructure is proposed. The model is described in terms of 4-covariant field theoretical formalism.
Vladimir A Kovalev, Yuriy N Radayev
doaj   +1 more source

Hyperbolic systems of conservation laws

open access: yesRevista Matemática Complutense, 1999
This is a survey on the mathematical theory of hyperbolic systems of conservation laws. The paper, written in Italian language, corresponds to the text of a conference held at the XVI Congress of the Italian Mathematical Union in 1999. Addressing to non-experts, the author gives a very clear exposition of results and problems connected with the one ...
  +7 more sources

Conservation Laws and Exact Solutions for Time-Delayed Burgers–Fisher Equations

open access: yesMathematics, 2023
A generalization of the time-delayed Burgers–Fisher equation is studied. This partial differential equation appears in many physical and biological problems describing the interaction between reaction, diffusion, and convection.
Almudena P. Márquez   +3 more
doaj   +1 more source

On the Convergence of α Schemes with Source Terms for Scalar Convex Conservation Laws

open access: yesMathematics, 2023
In this study, we use an extension of Yang’s convergence criterion [N. Jiang, On the wavewise entropy inequality for high-resolution schemes with source terms II: the fully discrete case] to show the entropy convergence of a class of fully discrete α ...
Nan Jiang
doaj   +1 more source

WENO Scheme Based on Lax-Wendroff Time Discretization to Solving Hyperbolic Conservation Laws

open access: yesJournal of Harbin University of Science and Technology, 2017
The research of high accuracy and high resolution schemes have been a hot topic in computational mathematics. According to low resolution and large amount of calculation of the original WENO-JS scheme,we propose a simple new limiter fifth order upwind ...
LI Xing-hua, SUN Yang, AI Xiao-hui
doaj   +1 more source

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