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We construct explicit measure-valued solutions to the one-dimensional pressureless gas dynamics system in a strip-like domain by introducing a new boundary potential. The constructed solutions satisfy an entropy condition, and depending on…

Analysis of PDEs · Mathematics 2025-03-10 Abhrojyoti Sen

This paper is concerned with the initial boundary value problem for a nonconservative system of hyperbolic equation appearing in elastodynamics in the space time domain $x > 0, t > 0$. The number of boundary conditions to be prescribed at…

Analysis of PDEs · Mathematics 2024-08-19 Kayyunnapara Divya Joseph , P. A Dinesh

We consider the initial boundary value problem for a model system of one-dimensional equations which describe unsteady polytropic motions of a mixture of viscous compressible fluids. We prove the global existence and uniqueness theorem for…

Analysis of PDEs · Mathematics 2017-11-22 Dmitriy Prokudin

This paper is a continuation of our previous paper \cite{d1} on the initial boundary value problem for a nonconservative system appearing in elastodynamics in the space time domain $x>0,t>0$. There, the initial and boundary data were…

Analysis of PDEs · Mathematics 2024-08-20 Kayyunnapara Divya Joseph , P. A Dinesh

The flow of a gas through porous medium is considered in the case of pressure dependent permeability. Approximate self-similar solutions of the boundary-value problems are found.

Fluid Dynamics · Physics 2014-09-30 Nikolay A. Kudryashov , Mark B. Kochanov , Viktoria L. Savatorova

We consider conservation laws with source terms in a bounded domain with Dirichlet boundary conditions. We first prove the existence of a strong trace at the boundary in order to provide a simple formulation of the entropy boundary…

Analysis of PDEs · Mathematics 2008-11-05 G. C. Coclite , K. H. Karlsen , Y. -S. Kwon

We focus on the initial boundary value problem for a general scalar balance law in one space dimension. Under rather general assumptions on the flux and source functions, we prove the well-posedness of this problem and the stability of its…

Analysis of PDEs · Mathematics 2018-09-18 Elena Rossi

An initial boundary value problem for one-dimensional hyperbolic compressible Navier-Stokes equations is investigated. After transforming the system into Lagrangian coordinate, the resulting system possesses a structure with uniform…

Analysis of PDEs · Mathematics 2025-08-05 Yuxi Hu , Yachun Li

We consider the equations which describe polytropic one-dimensional flows of viscous compressible multifluids. We prove global existence and uniqueness of a solution to the initial-boundary value problem which corresponds to the flow in a…

Analysis of PDEs · Mathematics 2019-02-20 Alexander Mamontov , Dmitriy Prokudin

For the string baryon model "triangle" the initial-boundary value problem is stated and solved in general. This problem implies defining a classical motion of the system on the base of given initial position and initial velocities of string…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. S. Sharov , V. P. Petrov

This paper is concerned with the large-time behavior of solutions to the initial and initial boundary value problems with large initial data for the compressible Navier-Stokes system describing the one-dimensional motion of a viscous…

Analysis of PDEs · Mathematics 2024-06-11 Jing Li , Zhilei Liang

In this paper, we are concerned with the initial-boundary value problem to the 2D magneto-micropolar system with zero angular viscosity in a smooth bounded domain. We prove that there exists a unique global strong solution of such a system…

Analysis of PDEs · Mathematics 2021-05-12 Shasha Wang , Wen-Qing Xu , Jitao Liu

The global existence of strong solution to the initial-boundary value problem of the three-dimensional compressible viscoelastic fluids near equilibrium is established in a bounded domain. Uniform estimates in $W^{1,q}$ with $q>3$ on the…

Analysis of PDEs · Mathematics 2011-02-23 Xianpeng Hu , Dehua Wang

We investigate linear boundary value problems for first-order one-dimensional hyperbolic systems in a strip. We establish conditions for existence and uniqueness of bounded continuous solutions. For that we suppose that the non-diagonal…

Analysis of PDEs · Mathematics 2025-12-10 R. Klyuchnyk , I. Kmit

We consider the equations of a multi-velocity model of a binary mixture of viscous compressible fluids (two-fluid medium) in the case of one-dimensional barotropic motions. We prove the global (in time) existence and uniqueness of a strong…

Analysis of PDEs · Mathematics 2020-12-30 Alexander Mamontov , Dmitriy Prokudin

While there exist now formulations of initial boundary value problems for Einstein's field equations which are well posed and preserve constraints and gauge conditions, the question of geometric uniqueness remains unresolved. For two…

General Relativity and Quantum Cosmology · Physics 2009-09-28 Helmut Friedrich

We consider the initial boundary value problem to equations of motion of an inextensible hanging string of finite length under the action of the gravity. We also consider the problem in the case without any external forces. In this problem,…

Analysis of PDEs · Mathematics 2025-02-18 Tatsuo Iguchi , Masahiro Takayama

A well-posed initial-boundary value problem is formulated for the model problem of the vector wave equation subject to the divergence-free constraint. Existence, uniqueness and stability of the solution is proved by reduction to a system…

General Relativity and Quantum Cosmology · Physics 2007-08-23 Alexander M. Alekseenko

We consider the initial boundary value problem for free-evolution formulations of general relativity coupled to a parametrized family of coordinate conditions that includes both the moving puncture and harmonic gauges. We concentrate…

General Relativity and Quantum Cosmology · Physics 2018-01-03 David Hilditch , Milton Ruiz

We study the initial-boundary value problem of the Navier-Stokes equations for incompressible fluids in a general domain in $\R^n$ with compact and smooth boundary, subject to the kinematic and vorticity boundary conditions on the non-flat…

Analysis of PDEs · Mathematics 2009-01-05 Gui-Qiang Chen , Dan Osborne , Zhongmin Qian
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