Non-classical phase transitions at a sonic point

The relevant mathematical features of phase transition for a general hyperbolic nonlinear system near a sonic discontinuity are clarified. A well-posed Riemann's problem is obtained, including non-classical undercompressive shocks, defined by a geometrical kinetic relation. A counterpart is the...

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Main Author: Monique Sable-Tougeron
Format: Article
Language:English
Published: Texas State University 2003-03-01
Series:Electronic Journal of Differential Equations
Subjects:
Online Access:http://ejde.math.txstate.edu/Volumes/2003/22/abstr.html
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author Monique Sable-Tougeron
author_facet Monique Sable-Tougeron
author_sort Monique Sable-Tougeron
collection DOAJ
description The relevant mathematical features of phase transition for a general hyperbolic nonlinear system near a sonic discontinuity are clarified. A well-posed Riemann's problem is obtained, including non-classical undercompressive shocks, defined by a geometrical kinetic relation. A counterpart is the geometrical rejection of some compressive shocks. The result is consistent with the structure profiles of the elasticity model of Shearer-Yang and the combustion model of Majda.
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spelling doaj.art-a301429552bf49ab8495d64c496d61472022-12-22T03:11:51ZengTexas State UniversityElectronic Journal of Differential Equations1072-66912003-03-01200322128Non-classical phase transitions at a sonic pointMonique Sable-TougeronThe relevant mathematical features of phase transition for a general hyperbolic nonlinear system near a sonic discontinuity are clarified. A well-posed Riemann's problem is obtained, including non-classical undercompressive shocks, defined by a geometrical kinetic relation. A counterpart is the geometrical rejection of some compressive shocks. The result is consistent with the structure profiles of the elasticity model of Shearer-Yang and the combustion model of Majda.http://ejde.math.txstate.edu/Volumes/2003/22/abstr.htmlHyperbolicphase transitionChapman-Jouguet regimekinetic relation.
spellingShingle Monique Sable-Tougeron
Non-classical phase transitions at a sonic point
Electronic Journal of Differential Equations
Hyperbolic
phase transition
Chapman-Jouguet regime
kinetic relation.
title Non-classical phase transitions at a sonic point
title_full Non-classical phase transitions at a sonic point
title_fullStr Non-classical phase transitions at a sonic point
title_full_unstemmed Non-classical phase transitions at a sonic point
title_short Non-classical phase transitions at a sonic point
title_sort non classical phase transitions at a sonic point
topic Hyperbolic
phase transition
Chapman-Jouguet regime
kinetic relation.
url http://ejde.math.txstate.edu/Volumes/2003/22/abstr.html
work_keys_str_mv AT moniquesabletougeron nonclassicalphasetransitionsatasonicpoint