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20072024
most citedIncompressible flows with piecewise constant density

97 citations · 327 across the 42 of their papers we have counts for

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math.AP2024

Comparative Analysis of Obstacle Approximation Strategies for the Steady Incompressible Navier-Stokes Equations

Piotr Krzyżanowski, Sadokat Malikova, Piotr B. Mucha +1

This paper aims to compare and evaluate various obstacle approximation techniques employed in the context of the steady incompressible Navier-Stokes equations. Specifically, we inv…

math.AP2023★ 1 cited

A multifluid model with chemically reacting components -- construction of weak solutions

Piotr B. Mucha, Sarka Necasova, Maja Szlenk

We investigate the existence of weak solutions to a multi-component system, consisting of compressible chemically reacting components, coupled with the compressible Stokes equation…

math.AP2022

A new construction of weak solutions to compressible Navier-Stokes equations

Nilasis Chaudhuri, Piotr B. Mucha, Ewelina Zatorska

We prove the existence of the weak solutions to the compressible Navier--Stokes system with barotropic pressure for in three space dimension. The…

math.AP2022

A fuzzy -closest alignment model

Piotr B. Mucha, Jan Peszek

The paper examines the problems related to the well-posedness of the Cucker-Smale model with communication restricted to the -closest neighbors, known also as the Cucker-Dong mo…

math.AP2022

Burgers' equation revisited: extension of mono-dimensional case on a network

Piotr Bogusław Mucha, Aleksandra Puchalska

The paper deals with the analysis of Burgers' equation on acyclic metric graphs. The main goal is to establish the existence of weak solutions in the -- class of regularity. A…

math.AP2021

Stability of the density patches problem with vacuum for incompressible inhomogeneous viscous flows

Raphaël Danchin, Piotr B. Mucha, Tomasz Piasecki

We consider the inhomogeneous incompressible Navier-Stokes system in a smooth two or three dimensional bounded domain, in the case where the initial density is only bounded. Existe…

math.AP2021

Reacting multi-component fluids -- regular solutions in Lorentz spaces

Piotr B. Mucha, Tomasz Piasecki

The paper deals with analysis of a model of a multi-component fluid admitting chemical reactions. The flow is considered in the incompressible regime. The main result shows global…

math.AP2020★ 10 cited

Density-induced Consensus Protocol

Piotr Minakowski, Piotr B. Mucha, Jan Peszek

The paper introduces a model of collective behavior where agents receive information only from sufficiently dense crowds in their immediate vicinity. The system is an asymmetric, d…

math.AP2020

Boussinesq system with measure forcing

Piotr B. Mucha, Liutang Xue

We address a question concerning the issue of existence to a Boussinesq type system with a heat source. The problem is studied in the whole two dimensional plane and the heat sourc…

math.AP2019

Compressible Navier-Stokes equations with ripped density

Raphaël Danchin, Piotr Boguslaw Mucha

Here we prove the all-time propagation of the Sobolev regularity for the velocity field solution of the two-dimensional compressible Navier-Stokes equations, provided the volume (b…

math.AP2018★ 32 cited

Singular Cucker-Smale Dynamics

Piotr Minakowski, Piotr B. Mucha, Jan Peszek +1

The existing state of the art for singular models of flocking is overviewed, starting from microscopic model of Cucker and Smale with singular communication weight, through its mes…

math.AP2018

Regular solutions to the fractional Euler alignment system in the Besov spaces framework

Raphaël Danchin, Piotr B. Mucha, Jan Peszek +1

We here construct (large) local and small global-in-time regular unique solutions to the fractional Euler alignment system in the whole space , in the case where the…

math.AP2018★ 5 cited

Between homogeneous and inhomogeneous Navier-Stokes systems: the issue of stability

Piotr B. Mucha, Liutang Xue, Xiaoxin Zheng

We construct large velocity vector solutions to the three dimensional inhomogeneous Navier-Stokes system. The result is proved via the stability of two dimensional solutions with c…

math.AP2017★ 10 cited

From compressible to incompressible inhomogeneous flows in the case of large data

Raphaël Danchin, Piotr Boguslaw Mucha

This paper is concerned with the mathematical derivation of the inhomoge-neous incompressible Navier-Stokes equations (INS) from the compressible Navier-Stokes equations (CNS) in t…

math.AP2017★ 40 cited

Finite-energy solutions for compressible two-fluid Stokes system

Didier Bresch, Piotr B. Mucha, Ewelina Zatorska

We prove existence of global in time weak solutions to a compressible two-fluid Stokes system with a single velocity field and algebraic closure for the pressure law. The constitut…

math.AP2017★ 7 cited

The incompressible navier-stokes equations in vacuum

Raphaël Danchin, Piotr Boguslaw Mucha

We are concerned with the existence and uniqueness issue for the inhomogeneous incompressible Navier-Stokes equations supplemented with H^1 initial velocity and only bounded nonneg…

math.AP2016

Flocking particles in a non-Newtonian shear thickening fluid

Piotr B. Mucha, Jan Peszek, Milan Pokorny

We prove existence and uniqueness of strong solutions to the Cucker--Smale flocking model coupled with an incompressible viscous non-Newtonian fluid, with the stress tensor of a po…

math.AP2016★ 24 cited

Total variation denoising in anisotropy

Michał Łasica, Salvador Moll, Piotr B. Mucha

We aim at constructing solutions to the minimizing problem for the variant of Rudin-Osher-Fatemi denoising model with rectilinear anisotropy and to the gradient flow of its underly…

math.AP2016

Steady solutions to viscous shallow water equations. The case of heavy water

Šimon Axmann, Piotr B. Mucha, Milan Pokorný

In this note, we show the existence of regular solutions to the stationary version of the Navier-Stokes system for compressible fluids with a density dependent viscosity, known as…

math.AP2016★ 31 cited

Existence of weak solutions for compressible Navier-Stokes equations with entropy transport

David Maltese, Martin Michalek, Piotr B. Mucha +3

We consider the compressible Navier-Stokes system with variable entropy. The pressure is a nonlinear function of the density and the entropy/potential temperature which, unlike in…

math.AP2016

Compressible Navier-Stokes system : large solutions and incompressible limit

Raphaël Danchin, Piotr B. Mucha

Here we prove the existence of global in time regular solutions to the two-dimensional compressible Navier-Stokes equations supplemented with arbitrary large initial velocity $v\_0…

math.AP2016

Stability of high-temperature viscous flows. A case of pudding model

Piotr B. Mucha, Agnieszka Świerczewska-Gwiazda

We investigate the Navier-Stokes-Fourier system for incompressible heat conducting inhomogeneous fluid. The main result concerns existence of global in time regular large solutions…

math.AP2016★ 2 cited

Stabilizing the Long-time Behavior of the Navier-Stokes Equations and Damped Euler Systems by Fast Oscillating Forces

Jacek Cyranka, Piotr B Mucha, Edriss S Titi +1

The paper studies the issue of stability of solutions to the Navier-Stokes and damped Euler systems in periodic boxes. We show that under action of fast oscillating-in- time extern…

math.AP2015

Existence of stationary weak solutions for the heat conducting flows

Piotr B. Mucha, Milan Pokorný, Ewelina Zatorska

The steady compressible Navier--Stokes--Fourier system is considered, with either Dirichlet or Navier boundary conditions for the velocity and the heat flux on the boundary proport…