Convex Integration Applied to the Multi-Di...

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Beschreibung

This book applies the convex integration method to multi-dimensional compressible Euler equations in the barotropic case as well as the full system with temperature. The convex integration technique, originally developed in the context of differential inclusions, was applied in the groundbreaking work of De Lellis and Székelyhidi to the incompressible Euler equations, leading to infinitely many solutions. This theory was later refined to prove non-uniqueness of solutions of the compressible Euler system, too. These non-uniqueness results all use an ansatz which reduces the equations to a kind of incompressible system to which a slight modification of the incompressible theory can be applied. This book presents, for the first time, a generalization of the De Lellis¿Székelyhidi approach to the setting of compressible Euler equations.

The structure of this book is as follows: after providing an accessible introduction to the subject, including the essentials of hyperbolic conservation laws, the idea of convex integration in the compressible framework is developed. The main result proves that under a certain assumption there exist infinitely many solutions to an abstract initial boundary value problem for the Euler system. Next some applications of this theorem are discussed, in particular concerning the Riemann problem. Finally there is a survey of some related results.

This self-contained book is suitable for both beginners in the field of hyperbolic conservation laws as well as for advanced readers who already know about convex integration in the incompressible framework.

Über den Autor

Simon Markfelder is currently a postdoctoral researcher at the University of Cambridge, United Kingdom. He completed his PhD at the University of Wuerzburg, Germany, in 2020 under the supervision of Christian Klingenberg. Simon Markfelder has published several papers in which he applies the convex integration technique to the compressible Euler equations.

Zusammenfassung

Provides a genuinely compressible convex integration approach

Surveys most results achieved by convex integration

Explains the essentials of hyperbolic conservation laws

Inhaltsverzeichnis

- Part I The Problem Studied in This Book. - 1. Introduction. - 2. Hyperbolic Conservation Laws. - 3. The Euler Equations as a Hyperbolic System of Conservation Laws. - Part II Convex Integration. - 4. Preparation for Applying Convex Integration to Compressible Euler. - 5. Implementation of Convex Integration. - Part III Application to Particular Initial (Boundary) Value Problems. - 6. Infinitely Many Solutions of the Initial Boundary Value Problem for Barotropic Euler. - 7. Riemann Initial Data in Two Space Dimensions for Isentropic Euler. - 8. Riemann Initial Data in Two Space Dimensions for Full Euler.

Details

Erscheinungsjahr:	2021
Fachbereich:	Analysis
Genre:	Mathematik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Seiten:	252
Reihe:	Lecture Notes in Mathematics
Inhalt:	x 242 S. 8 s/w Illustr. 9 farbige Illustr. 242 p. 17 illus. 9 illus. in color.
ISBN-13:	9783030837846
ISBN-10:	303083784X
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Markfelder, Simon
Auflage:	1st ed. 2021
Hersteller:	Springer International Publishing Springer International Publishing AG Lecture Notes in Mathematics
Maße:	235 x 155 x 14 mm
Von/Mit:	Simon Markfelder
Erscheinungsdatum:	21.10.2021
Gewicht:	0,388 kg

preigu-id: 120318293