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Related papers: The Capillarity Problem for Compressible Liquids

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We are concerned with the suitability of the main models of compressible fluid dynamics for the Lighthill problem for shock diffraction by a convex corned wedge, by studying the regularity of solutions of the problem, which can be…

Analysis of PDEs · Mathematics 2020-03-12 Gui-Qiang Chen , Mikhail Feldman , Jingchen Hu , Wei Xiang

We prove a local existence theorem for the free boundary problem for a relativistic fluid in a fixed spacetime. Our proof involves an a priori estimate which only requires control of derivatives tangential to the boundary, which holds also…

Analysis of PDEs · Mathematics 2021-09-07 Daniel Ginsberg , Hans Lindblad

We derive a relative entropy inequality for capillary compressible fluids with density dependent viscosity. Applications in the context of weak-strong uniqueness analysis, pressureless fluids and high-Mach number flows are presented.

Analysis of PDEs · Mathematics 2023-05-17 Matteo Caggio , Donatella Donatelli

We study the problem of inviscid slightly compressible fluids in a bounded domain. We find a unique solution to the initial-boundary value problem and show that it is near the analogous solution for an incompressible fluid provided the…

Analysis of PDEs · Mathematics 2017-07-19 Marcelo M. Disconzi , David G. Ebin

We study the soap film capillarity problem, in which soap films are modeled as sets of least perimeter among those having prescribed (small) volume and satisfying a topological spanning condition. When the given boundary is the closed…

Analysis of PDEs · Mathematics 2025-06-26 Giulia Bevilacqua , Salvatore Stuvard , Bozhidar Velichkov

In this paper, when the magnitude of the Mach number is strictly between some fixed small enough constant and $\sqrt{2}$, we can prove the linear and nonlinear ill-posedness of the Kelvin-Helmholtz problem for compressible ideal fluids. To…

Analysis of PDEs · Mathematics 2024-07-03 Binqiang Xie , Bin Zhao

We study a fractional diffusion problem in the divergence form in one space dimension. We define a notion of the viscosity solution. We prove existence of viscosity solutions to the fractional diffusion problem with the Dirichlet boundary…

Analysis of PDEs · Mathematics 2019-05-02 Tokinaga Namba , Piotr Rybka

This work is devoted to proving existence of global weak solutions for a general isothermal model of capillary fluids derived by J.E Dunn and J.Serrin (1985) \cite{3DS}, which can be used as a phase transition model. We distinguish two…

Analysis of PDEs · Mathematics 2008-03-14 Boris Haspot

We study the compressible Euler equations in the isentropic nozzle flow. The global existence of an $L^{\infty}$ solution has been proved in (Tsuge in Nonlinear Anal. Real World Appl. 209: 217-238 (2017)) for large data and general nozzle.…

Analysis of PDEs · Mathematics 2019-08-12 Naoki Tsuge

We establish the Lipschitz regularity of the a priori bounded local minimizers of integral functionals with non autonomous energy densities satisfying non standard growth conditions under a sharp bound on the gap between the growth and the…

Analysis of PDEs · Mathematics 2023-10-10 Michela Eleuteri , Antonia Passarelli di Napoli

In this note we consider the motion of a solid body in a two dimensional incompressible perfect fluid. We prove the global existence of solutions in the case where the initial vorticity belongs to $L^p$ with $p>1$ and is compactly…

Analysis of PDEs · Mathematics 2024-12-30 Olivier Glass , Franck Sueur

We establish existence of compact minimizers of the prescribed mean curvature problem with volume constraint in periodic media. As a consequence, we construct compact approximate solutions to the prescribed mean curvature equation. We also…

Analysis of PDEs · Mathematics 2013-03-18 Michael Goldman , Matteo Novaga

In this paper we study a singular limit problem for a Navier-Stokes-Korteweg system with Coriolis force, in the domain $\R^2\times\,]0,1[\,$ and for general ill-prepared initial data. Taking the Mach and the Rossby numbers to be…

Analysis of PDEs · Mathematics 2017-08-18 Francesco Fanelli

Capillary imbibition underpins many processes of fundamental and applied relevance in fluid mechanics. A limitation to the flow is the coupling to the confining solid, which induces friction forces. Our work proposes a general theoretical…

The Cauchy problem for the compressible flow of nematic liquid crystals in the framework of critical spaces is considered. We first establish the existence and uniqueness of global solutions provided that the initial data are close to some…

Analysis of PDEs · Mathematics 2015-08-03 Qunyi Bie , Haibo Cui , Qiru Wang , Zheng-an Yao

We consider the minimization problem of an anisotropic energy in classes of $d$-rectifiable varifolds in $\mathbb R^n$, closed under Lipschitz deformations and encoding a suitable notion of boundary. We prove that any minimizing sequence…

Analysis of PDEs · Mathematics 2016-11-24 Antonio De Rosa

We consider the physically relevant fully compressible setting of the Rayleigh Benard problem of a fluid confined between two parallel plates, heated from the bottom, and subjected to the gravitational force. Under suitable restrictions…

Analysis of PDEs · Mathematics 2021-10-22 Eduard Feireisl , Agnieszka Swierczewska-Gwiazda

In this paper we prove a version of the Fountain Theorem for a class of nonsmooth functionals that are sum of a $C^1$ functional and a convex lower semicontinuous functional, and also a version of a theorem due to Heinz for this class of…

Analysis of PDEs · Mathematics 2023-06-16 Claudianor O Alves , Giovanni Molica Bisci , Ismael S. da Silva

We consider regularity issues for minima of non-autonomous functionals in the Calculus of Variations exhibiting non-uniform ellipticity features. We provide a few sharp regularity results for local minimizers that also cover the case of…

Analysis of PDEs · Mathematics 2019-05-28 Cristiana De Filippis , Giuseppe Mingione

Starting from the local-in-time classical solution to the compressible Euler system with impermeable boundary condition in half-space, by employing the coupled weak viscous layers (governed by linearized compressible Prandtl equations with…

Analysis of PDEs · Mathematics 2021-08-03 Ning Jiang , Yi-Long Luo , Shaojun Tang