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Related papers: Measure-valued solutions for the equations of poly…

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For the equations of elastodynamics with polyconvex stored energy, and some related simpler systems, we define a notion of dissipative measure-valued solution and show that such a solution agrees with a classical solution with the same…

Analysis of PDEs · Mathematics 2012-06-12 Sophia Demoulini , David Stuart , Athanasios Tzavaras

This article studies the equations of adiabatic thermoelasticity endowed with an internal energy satisfying an appropriate quasiconvexity assumption which is associated to the symmetrisability condition for the system. A G{\aa}rding-type…

Analysis of PDEs · Mathematics 2021-10-01 Myrto Galanopoulou , Konstantinos Koumatos , Andreas Vikelis

We embed the equations of polyconvex thermoviscoelasticity into an augmented, symmetrizable, hyperbolic system and derive a relative entropy identity in the extended variables. Following the relative entropy formulation, we prove the…

Analysis of PDEs · Mathematics 2018-03-22 Cleopatra Christoforou , Myrto Galanopoulou , Athanasios E. Tzavaras

We propose a variational scheme for the construction of isentropic processes of the equations of adiabatic thermoelasticity with polyconvex internal energy. The scheme hinges on the embedding of the equations of adiabatic polyconvex…

Analysis of PDEs · Mathematics 2020-03-31 Cleopatra Christoforou , Myrto Galanopoulou , Athanasios E. Tzavaras

We consider a coupled system of partial and ordinary differential equations describing the interaction between an isentropic inviscid fluid and a rigid body moving freely inside the fluid. We prove the existence of measure-valued solutions…

Analysis of PDEs · Mathematics 2022-06-07 Matteo Caggio , Ondřej Kreml , Šárka Nečasová , Arnab Roy , Tong Tang

We consider the coupled motion of a free rigid body immersed in an inviscid compressible isentropic fluid. By means of a vanishing viscosity limit, we obtain the local-in-time existence of a dissipative measure-valued solution to the model.…

Analysis of PDEs · Mathematics 2026-03-04 Qianfeng Li , Emil Wiedemann

In the last years measure-valued solutions started to be considered as a relevant notion of solutions if they satisfy the so-called measure-valued -- strong uniqueness principle. This means that they coincide with a strong solution…

Analysis of PDEs · Mathematics 2018-01-04 Piotr Gwiazda , Ondřej Kreml , Agnieszka Świerczewska-Gwiazda

We extend the relative entropy identity to the class of hyperbolic-parabolic systems whose hyperbolic part is symmetrizable. The resulting identity, in the general theory, is useful to provide stability of viscous solutions and yields a…

Analysis of PDEs · Mathematics 2018-01-17 Cleopatra Christoforou , Athanasios Tzavaras

We introduce the concept of a dissipative measure-valued solution to the Euler alignment system. This approach incorporates a modified total energy balance, utilizing a binary tensor Young measure. The central finding is a weak…

Analysis of PDEs · Mathematics 2024-12-13 Abhishek Chaudhary , Ujjwal Koley , Emil Wiedemann

We introduce the concept of dissipative measure-valued solution to the complete Euler system describing the motion of an inviscid compressible fluid. These solutions are characterized by a parameterized (Young) measure and a dissipation…

Analysis of PDEs · Mathematics 2017-02-17 Jan Brezina , Eduard Feireisl

We introduce a new concept of dissipative measure-valued solution to the compressible Navier-Stokes system satisfying, in addition, a relevant form of the total energy balance. Then we show that a dissipative measure-valued and a standard…

Analysis of PDEs · Mathematics 2015-12-16 Eduard Feireisl , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda , Emil Wiedemann

This article is concerned with the development of a theoretical framework of global measure-valued solutions for a class of hyperbolic-parabolic cross-diffusion systems, and its application to the convergence analysis of a fully discrete…

Numerical Analysis · Mathematics 2025-05-19 Katharina Hopf , Ansgar Jüngel

We establish convergence in the diffusive limit from entropy weak solutions of the equations of compressible gas dynamics with friction to the porous media equation away from vacuum. The result is based on a Lyapunov type of functional…

Analysis of PDEs · Mathematics 2021-03-22 Corrado Lattanzio , Athanasios E. Tzavaras

We consider the complete Euler system describing the time evolution of a general inviscid compressible fluid. We introduce a new concept of measure-valued solution based on the total energy balance and entropy inequality for the physical…

Analysis of PDEs · Mathematics 2018-05-23 Jan Brezina , Eduard Feireisl

In this article we describe the applications of the relative entropy framework. In particular uniqueness of an entropy solution is proven for a scalar conservation law, using the notion of measure-valued entropy solutions. Further we survey…

Analysis of PDEs · Mathematics 2017-09-06 Tomasz Dębiec , Piotr Gwiazda , Kamila Łyczek , Agnieszka Świerczewska-Gwiazda

A weak-strong uniqueness result is proved for measure-valued solutions to the system of conservation laws arising in elastodynamics. The main novelty brought forward by the present work is that the underlying stored-energy function of the…

Analysis of PDEs · Mathematics 2020-07-17 Konstantinos Koumatos , Stefano Spirito

General hyperbolic systems of balance laws with inhomogeneity in space and time in all constitutive functions are studied in the context of relative entropy. A framework is developed in this setting that contributes to a measure-valued weak…

Analysis of PDEs · Mathematics 2022-06-02 Cleopatra Christoforou

We introduce a concept of dissipative measure valued martingale solutions for stochastic compressible Navier-Stokes equations. These solutions are weak from a probabilistic perspective, since they include both the driving Wiener process and…

Probability · Mathematics 2025-08-07 Utsab Sarkar

We introduce the notion of relative entropy for the weak solutions of the compressible Navier-Stokes system. We show that any finite energy weak solution satisfies a relative entropy inequality for any pair of sufficiently smooth test…

Analysis of PDEs · Mathematics 2015-06-03 Eduard Feireisl , Bum Ja Jin , Antonin Novotny

In this work, we introduce a notion of dissipative weak solution for a system describing the evolution of a heat-conducting incompressible non-Newtonian fluid. This concept of solution is based on the balance of entropy instead of the…

Analysis of PDEs · Mathematics 2022-06-13 Pablo Alexei Gazca-Orozco , Victoria Patel
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