[Stabilisation pour un milieu continu compressible avec pression non monotone]
We consider the system of quasilinear equations for 1d-motion of viscous compressible heat-conducting media. The state function has the form p(η,θ)=p0(η)+p1(η)θ, with general nonmonotone p0 and p1, which allows us to treat both nuclear fluids and thermoviscoelastic solids (for fluids, p, η, and θ are the pressure, specific volume, and temperature). For an initial boundary value problem with large data, we establish stabilization as t→∞: pointwise and in Lq for η, in Lq for v (the velocity), for any q∈[2,∞), and in L2 for θ.
Nous étudions l'évolution 1d d'un milieu continu compressible conducteur de la chaleur. La pression est donnée par p(η,θ)=p0(η)+p1(η)θ, où p0 et p1 sont des fonctions non monotones assez générales pour permettre de traiter à la fois des modèles de fluides nucléaires et des solides thermo-visco-élastiques. Pour un problème aux limites d'évolution associé, avec grandes données, nous prouvons la stabilisation pour t→∞ au sens suivant : convergence ponctuelle et dans Lq pour le volume spécifique η, dans Lq pour la vitesse v, pour tout q∈[2,∞), et dans L2 pour la temperature θ.
Accepté le :
Publié le :
Bernard Ducomet 1 ; Alexander Zlotnik 2
@article{CRMATH_2002__334_2_119_0,
author = {Bernard Ducomet and Alexander Zlotnik},
title = {Stabilization for viscous compressible heat-conducting media equations with nonmonotone state functions},
journal = {Comptes Rendus. Math\'ematique},
pages = {119--124},
publisher = {Elsevier},
volume = {334},
number = {2},
year = {2002},
doi = {10.1016/S1631-073X(02)02227-6},
language = {en},
}
TY - JOUR AU - Bernard Ducomet AU - Alexander Zlotnik TI - Stabilization for viscous compressible heat-conducting media equations with nonmonotone state functions JO - Comptes Rendus. Mathématique PY - 2002 SP - 119 EP - 124 VL - 334 IS - 2 PB - Elsevier DO - 10.1016/S1631-073X(02)02227-6 LA - en ID - CRMATH_2002__334_2_119_0 ER -
%0 Journal Article %A Bernard Ducomet %A Alexander Zlotnik %T Stabilization for viscous compressible heat-conducting media equations with nonmonotone state functions %J Comptes Rendus. Mathématique %D 2002 %P 119-124 %V 334 %N 2 %I Elsevier %R 10.1016/S1631-073X(02)02227-6 %G en %F CRMATH_2002__334_2_119_0
Bernard Ducomet; Alexander Zlotnik. Stabilization for viscous compressible heat-conducting media equations with nonmonotone state functions. Comptes Rendus. Mathématique, Volume 334 (2002) no. 2, pp. 119-124. doi : 10.1016/S1631-073X(02)02227-6. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.1016/S1631-073X(02)02227-6/
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