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This paper is devoted to the study of hyperbolic systems of linear partial differential equations perturbed by a Brownian motion. The existence and uniqueness of solutions are proved by an energy method. The specific features of this class…

概率论 · 数学 2021-09-29 Adnan Aboulalaa

In this paper hyperbolic partial differential equations with random coefficients are discussed. Such random partial differential equations appear for instance in traffic flow problems as well as in many physical processes in random media.…

偏微分方程分析 · 数学 2017-06-19 Andrea Barth , Franz G. Fuchs

In this paper, we study diagonal hyperbolic systems in one space dimension. Based on a new gradient entropy estimate, we prove the global existence of a continuous solution, for large and non-decreasing initial data. We remark that these…

数学物理 · 物理学 2009-04-14 Ahmad El Hajj , Régis Monneau

We construct examples of oscillating solutions with persistent oscillations for various hyperbolic-parabolic systems with singular diffusion matrices that appear in mechanics. These include, an example for the equations of nonlinear…

偏微分方程分析 · 数学 2024-10-01 Athanasios E. Tzavaras

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. We discuss in detail the necessary and sufficient conditions for…

数学物理 · 物理学 2015-06-26 A. M. Grundland , B. Huard

We study solutions to nonlinear hyperbolic systems with fully nonlinear relaxation terms in the limit of, both, infinitely stiff relaxation and arbitrary late time. In this limit, the dynamics is governed by effective systems of parabolic…

偏微分方程分析 · 数学 2012-10-18 Sebastiano Boscarino , Philippe G. LeFloch , Giovanni Russo

In this paper, we develop new high-order numerical methods for hyperbolic systems of nonlinear partial differential equations (PDEs) with uncertainties. The new approach is realized in the semi-discrete finite-volume framework and is based…

This paper deals with mathematical models of continuous crystallization described by hyperbolic systems of partial differential equations coupled with ordinary and integro-differential equations. The considered systems admit nonzero…

最优化与控制 · 数学 2022-01-19 Alexander Zuyev , Peter Benner

In this paper we study the construction of a discrete solution for a hyperbolic system of partial differentials of the strongly coupled type. In its construction, the discrete separation of matricial variable method was followed. Two…

经典分析与常微分方程 · 数学 2011-04-07 Manuel J. Salazar , Edison E. Villa

Solution of Helmholtz equation with impedance boundary condition on finite interval is equivalently reformulated as steady state of initial boundary value problem for first order hyperbolic system of partial differential equations.…

数值分析 · 数学 2018-06-19 Ramaz Botchorishvili , Tamar Janelidze

This paper establishes the equivalence between systems described by a single first-order hyperbolic partial differential equation and systems described by integral delay equations. System-theoretic results are provided for both classes of…

最优化与控制 · 数学 2019-02-20 Iasson Karafyllis , Miroslav Krstic

We present a new technique for constructing solutions of quasilinear systems of first-order partial differential equations, in particular inhomogeneous ones. A generalization of the Riemann invariants method to the case of inhomogeneous…

数学物理 · 物理学 2014-10-01 Alfred Michel Grundland , Vincent Lamothe

It is well known, thanks to Lax-Wendroff theorem, that the local conservation of a numerical scheme for a conservative hyperbolic system is a simple and systematic way to guarantee that, if stable, a scheme will provide a sequence of…

数值分析 · 数学 2023-01-16 Remi Abgrall , P Bacigaluppi , S Tokareva

In this paper, we study diagonalizable hyperbolic systems in one space dimension. Based on a new gradient entropy estimate, we prove the global existence of a continuous solution, for large and nondecreasing initial data. Moreover, we show…

数学物理 · 物理学 2008-12-18 Ahmad El Hajj , Regis Monneau

We propose a novel framework for model-order reduction of hyperbolic differential equations. The approach combines a relaxation formulation of the hyperbolic equations with a discretization using shifted base functions. Model-order…

数值分析 · 数学 2021-05-03 Sara Grundel , Michael Herty

In this paper we present a new first-order hyperbolic reformulation of the Cahn-Hilliard equation. The model is obtained from the combination of augmented Lagrangian techniques proposed earlier by the authors of this paper, with a classical…

数值分析 · 数学 2024-08-08 Firas Dhaouadi , Michael Dumbser , Sergey Gavrilyuk

In this paper, we study a nonlinear system of first order partial differential equations describing the macroscopic behavior of an ensemble of interacting self-propelled rigid bodies. Such system may be relevant for the modelling of bird…

偏微分方程分析 · 数学 2022-10-31 Pierre Degond , Amic Frouvelle , Sara Merino-Aceituno , Ariane Trescases

This work presents a novel family of well-balanced numerical schemes for hyperbolic systems of balance laws based on the kinetic relaxation approach. The method begins by transforming the original non-linear system into a linearized kinetic…

数值分析 · 数学 2026-05-26 León Ávila , Manuel Castro , Victor Michel-Dansac , José M. Gallardo

Basing on our results [1] on a representation of solutions to the Cauchy problem for multidimensional non-viscous Burgers equation obtained by a method of stochastic perturbation of the associated Langevin system, we deduce an explicit…

偏微分方程分析 · 数学 2013-10-29 Olga S. Rozanova

We study hyperbolic systems of one-dimensional partial differential equations under general, possibly non-local boundary conditions. A large class of evolution equations, either on individual 1-dimensional intervals or on general networks,…

偏微分方程分析 · 数学 2021-01-19 Marjeta Kramar Fijavž , Delio Mugnolo , Serge Nicaise
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