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We present a meshfree numerical solver for scalar conservation laws in one space dimension. Points representing the solution are moved according to their characteristic velocities. Particle interaction is resolved by purely local particle…

Numerical Analysis · Mathematics 2008-11-15 Yossi Farjoun , Benjamin Seibold

An "exact" method for scalar one-dimensional hyperbolic conservation laws is presented. The approach is based on the evolution of shock particles, separated by local similarity solutions. The numerical solution is defined everywhere, and is…

Numerical Analysis · Mathematics 2023-08-17 Yossi Farjoun , Benjamin Seibold

We present a numerical method for scalar conservation laws in one space dimension. The solution is approximated by local similarity solutions. While many commonly used approaches are based on shocks, the presented method uses rarefaction…

Numerical Analysis · Mathematics 2010-06-23 Yossi Farjoun , Benjamin Seibold

We present a fully discrete particle approximation for one-dimensional scalar conservation laws. Under suitable monotonicity assumptions on the macroscopic velocity, we construct a vacuum-compatible family of time-discrete particle…

Analysis of PDEs · Mathematics 2026-02-03 M. Di Francesco , S. Fagioli , V. Iorio , M. D. Rosini

We are concerned with fully-discrete schemes for the numerical approximation of diffusive-dispersive hyperbolic conservation laws with a discontinuous flux function in one-space dimension. More precisely, we show the convergence of…

Numerical Analysis · Mathematics 2015-05-06 Rajib Dutta , Ujjwal Koley , Deep Ray

We develop deterministic particle schemes to solve non-local scalar conservation laws with congestion. We show that the discrete approximations converge to the unique entropy solution with an explicit rate of convergence under more general…

Analysis of PDEs · Mathematics 2021-08-12 Emanuela Radici , Federico Stra

We introduce a dispersion approximation of weak, entropy solutions of multidimensional scalar conservation laws using variational kinetic representation, where equilibrium densities satisfy the Gibb's entropy minimization principle for a…

Analysis of PDEs · Mathematics 2020-08-31 Misha Perepelitsa

We study one-dimensional conservation law. We develop a simple numerical method for computing the unique entropy admissible weak solution to the initial problem. The method basis on the equal-area principle and gives the solution for given…

Numerical Analysis · Mathematics 2014-05-20 Marjeta Kramar Fijavž , Mitja Lakner , Marjeta Škapin Rugelj

We consider conservation laws on moving hypersurfaces. In this work the velocity of the surface is prescribed. But one may think of the velocity to be given by PDEs in the bulk phase. We prove existence and uniqueness for a scalar…

Analysis of PDEs · Mathematics 2014-01-29 Gerhard Dziuk , Dietmar Kröner , Thomas Müller

We consider the scalar conservation law in one space dimension with a genuinely nonlinear flux. We assume that an appropriate velocity function depending on the entropy solution of the conservation law is given for the comprising particles,…

Analysis of PDEs · Mathematics 2023-07-28 Masoumeh Dashti , Duc-Lam Duong

We consider scalar nonviscous conservation laws with strictly convex flux in one spatial dimension, and we investigate the behavior of bounded L^2 perturbations of shock wave solutions to the Riemann problem using the relative entropy…

Analysis of PDEs · Mathematics 2015-05-14 Nicholas Leger

We propose a semidiscrete scheme for approximation of entropy solutions of one-dimensional scalar conservation laws with nonnegative initial data. The scheme is based on the concept of particle paths for conservation laws and can be…

Analysis of PDEs · Mathematics 2025-04-16 Magnus C. Ørke

We propose a new entropy-compatible neural network method for scalar hyperbolic conservation laws and establish, to our knowledge, the first explicit \(L^1\) convergence rates in this setting that apply to piecewise smooth entropy…

Numerical Analysis · Mathematics 2026-05-20 Jiachuan Cao , Buyang Li , Hao Li

The goal of this paper is to prove the existence and stability of shocks for viscous scalar conservation laws with space periodic flux, in the multi-dimensional case. Such a result had been proved by the first author in one space dimension,…

Analysis of PDEs · Mathematics 2016-03-17 Anne-Laure Dalibard , Moon-Jin Kang

In this paper we present a novel framework for obtaining high-order numerical methods for scalar conservation laws in one-space dimension for both the homogeneous and non-homogeneous case. The numerical schemes for these two settings are…

Numerical Analysis · Mathematics 2019-10-31 Geoffrey McGregor , Jean-Christophe Nave

In this paper we study the finite time emergence of one shock for the solution of scalar conservation laws in one space dimension with general flux f . We give a necessary and sufficient condition to the initial data connecting to flux. The…

Analysis of PDEs · Mathematics 2018-07-31 Adimurthi , Shyam Sundar Ghoshal

The idea of using fast sweeping methods for solving stationary systems of conservation laws has previously been proposed for efficiently computing solutions with sharp shocks. We further develop these methods to allow for a more challenging…

Numerical Analysis · Mathematics 2015-05-20 Bjorn Engquist , Brittany D. Froese , Yen-Hsi Richard Tsai

In this paper we prove that the unique entropy solution to a scalar nonlinear conservation law with strictly monotone velocity and nonnegative initial condition can be rigorously obtained as the large particle limit of a microscopic…

Analysis of PDEs · Mathematics 2016-05-20 Marco Di Francesco , Simone Fagioli , Massimiliano D. Rosini

We develop a pathwise theory for scalar conservation laws with quasilinear multiplicative rough path dependence, a special case being stochastic conservation laws with quasilinear stochastic dependence. We introduce the notion of pathwise…

Analysis of PDEs · Mathematics 2013-09-10 Pierre-Louis Lions , Benoit Perthame , Panagiotis E. Souganidis

We describe a new method which allows us to obtain a result of exact controllability to trajectories of multidimensional conservation laws in the context of entropy solutions and under a mere non-degeneracy assumption on the flux and a…

Analysis of PDEs · Mathematics 2019-03-19 Carlotta Donadello , Vincent Perrollaz
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