2008 |
Articles de journaux |
Didier Bresch; Benoit Desjardins; Marguerite Gisclon; Rémy Sart Instability results related to compressible Korteweg system Article de journal Dans: ANNALI DELL'UNIVERSITA' DI FERRARA, 54 (1), p. 11-36, 2008. Résumé | Liens | BibTeX @article{Bresch2008,
title = {Instability results related to compressible Korteweg system},
author = { Didier Bresch and Benoit Desjardins and Marguerite Gisclon and Rémy Sart},
url = {http://labs.esilv.fr/cs/sart/doc/instability.pdf},
year = {2008},
date = {2008-05-08},
journal = {ANNALI DELL'UNIVERSITA' DI FERRARA},
volume = {54},
number = {1},
pages = {11-36},
abstract = {This paper presents the study of surface tension effects in compressible mixtures in the framework of diffuse interface models. In the first part, we describe results previously obtained on the so-called compressible Korteweg and shallow water models and we present nonlinear stability using energy estimates and a new entropy equality recently discovered. These diffuse interface models also allowto take account of capillarity effects in turbulent mixtures and plasma flows subject to Rayleigh–Taylor instabilities. The aim of the last part is to study the influence of surface tension on this instability phenomena. More precisely we look at the expression of the growth rate under a small perturbation of wave number k.We prove that for an appropriate choice of the capillary number s in terms on the surface tension coefficient Ts (that means particular pressure laws), we find the same expression as for the two incompressible fluids model with surface tension coefficient on a sharp interface studied for instance by Chandrasekhar (Hydrodynamic and hydromagnetic stability. Dover Publications, Inc. New York, 1981).},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This paper presents the study of surface tension effects in compressible mixtures in the framework of diffuse interface models. In the first part, we describe results previously obtained on the so-called compressible Korteweg and shallow water models and we present nonlinear stability using energy estimates and a new entropy equality recently discovered. These diffuse interface models also allowto take account of capillarity effects in turbulent mixtures and plasma flows subject to Rayleigh–Taylor instabilities. The aim of the last part is to study the influence of surface tension on this instability phenomena. More precisely we look at the expression of the growth rate under a small perturbation of wave number k.We prove that for an appropriate choice of the capillary number s in terms on the surface tension coefficient Ts (that means particular pressure laws), we find the same expression as for the two incompressible fluids model with surface tension coefficient on a sharp interface studied for instance by Chandrasekhar (Hydrodynamic and hydromagnetic stability. Dover Publications, Inc. New York, 1981). |
Conférences |
T. Nguyen, D. Bonamy, L. Pham Van, L. Barbier; J. Cousty. Evolution morphologique d’ilots bidimensionnels d’alumine sur une surface vicinale de saphir proche de (1,-1,0, 2) lors de recuits à l’air: une étude par AFM, Conférence Forum de microscopes à sondes locales, La Londe les Maures 2008. Résumé | BibTeX @conference{Nguyen2008b,
title = {Evolution morphologique d’ilots bidimensionnels d’alumine sur une surface vicinale de saphir proche de (1,-1,0, 2) lors de recuits à l’air: une étude par AFM,},
author = {T. Nguyen, D. Bonamy, L. Pham Van, L. Barbier and J. Cousty.},
editor = {Forum de microscopes à sondes locales, La Londe les Maures },
year = {2008},
date = {2008-03-17},
organization = {Forum de microscopes à sondes locales, La Londe les Maures },
abstract = {La Londe les Maures - Forum de microscopes à sondes locales - Evolution
morphologique d’ilots bidimensionnels d’alumine sur une surface vicinale de saphir proche de
(1,-1,0, 2) lors de recuits à l’air: une étude par AFM, T. Nguyen, D. Bonamy, L. Pham Van, L.
Barbier, J. Cousty.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
La Londe les Maures - Forum de microscopes à sondes locales - Evolution
morphologique d’ilots bidimensionnels d’alumine sur une surface vicinale de saphir proche de
(1,-1,0, 2) lors de recuits à l’air: une étude par AFM, T. Nguyen, D. Bonamy, L. Pham Van, L.
Barbier, J. Cousty. |
Thèses |
T. Nguyen Structure et cinétique de mise à l’équilibre d’une surface vicinale (1 -1 0 2) de saphir : étude par Microscope à Force Atomique Thèse Université Paris Saclay , 2008. Résumé | Liens | BibTeX @phdthesis{Nguyen2008c,
title = {Structure et cinétique de mise à l’équilibre d’une surface vicinale (1 -1 0 2) de saphir : étude par Microscope à Force Atomique},
author = {T. Nguyen},
editor = {Université Paris Saclay},
url = {https://www.theses.fr/2008PA112346
},
year = {2008},
date = {2008-11-13},
school = {Université Paris Saclay },
abstract = {Les oxydes métalliques sont couramment mis en œuvre dans des secteurs innovants comme les nanotechnologies, la microélectronique, la catalyse hétérogène et le stockage longue durée de déchets nucléaires. Pour toutes ces applications, la présence de défauts superficiels peut affecter certaines propriétés physico-chimiques de la surface de ces oxydes. La cinétique de mise à l'équilibre de surfaces vicinales proches du plan (1-102) d’un cristal de saphir initialement rugueuses a été étudiée par microscopie à force atomique (AFM). Cette rugosité, due à la préparation de l’échantillon, se traduit par une grande densité de défauts. Lors de recuits à l’air, qui conservent la stœchiométrie superficielle, ces défauts forment des ilots bidimensionnels au voisinage des bords de marche monoatomique. L’évolution morphologique des ilots et des bords de marche est analysée après recuits à l'air à différents temps et températures. Deux régimes de cinétique sont identifiés. Le premier, associé à des recuits isochrones (une heure) pour des températures allant de 973 K à 1173 K ou à des recuits isothermes (1173 K) pour des durées allant jusqu’à 53 heures, correspond au processus de mûrissement d'Ostwald des ilots contrôlé par une diffusion anisotrope sur les terrasses avec une énergie d'activation de 1. 3 ± 0. 1 eV. Le second régime, étudié après la disparition des îlots, concerne la gamme de température supérieure (1273 K < T < 1473 K) ou à plus longue durée de recuit. Un bon accord entre les résultats expérimentaux, un modèle théorique basé sur l'équation de Langevin et des simulations numériques montre que le lissage du profil des marches est gouverné par l'émission d'atomes à partir du bord de marche. Les atomes issus de la marche diffusent sur la terrasse voisine pour se piéger sur une des marches qui la bordent. Les paramètres atomistiques, comme l’énergie d’activation, peuvent également être déduits. Cette étude statistique originale de l'évolution morphologique d'une surface hors d'équilibre démontre qu'il est possible d'accéder, à partir d’images AFM de dimensions micrométriques, au processus de transport de matières et aux paramètres atomistiques associés. Enfin, la méthodologie développée est généralisable à l'analyse non seulement des marches stables de toutes surfaces cristallines quelle qu’en soit la rugosité initiale mais elle peut être utilisée pour l'analyse du profil d'une interface quelconque. },
keywords = {},
pubstate = {published},
tppubtype = {phdthesis}
}
Les oxydes métalliques sont couramment mis en œuvre dans des secteurs innovants comme les nanotechnologies, la microélectronique, la catalyse hétérogène et le stockage longue durée de déchets nucléaires. Pour toutes ces applications, la présence de défauts superficiels peut affecter certaines propriétés physico-chimiques de la surface de ces oxydes. La cinétique de mise à l'équilibre de surfaces vicinales proches du plan (1-102) d’un cristal de saphir initialement rugueuses a été étudiée par microscopie à force atomique (AFM). Cette rugosité, due à la préparation de l’échantillon, se traduit par une grande densité de défauts. Lors de recuits à l’air, qui conservent la stœchiométrie superficielle, ces défauts forment des ilots bidimensionnels au voisinage des bords de marche monoatomique. L’évolution morphologique des ilots et des bords de marche est analysée après recuits à l'air à différents temps et températures. Deux régimes de cinétique sont identifiés. Le premier, associé à des recuits isochrones (une heure) pour des températures allant de 973 K à 1173 K ou à des recuits isothermes (1173 K) pour des durées allant jusqu’à 53 heures, correspond au processus de mûrissement d'Ostwald des ilots contrôlé par une diffusion anisotrope sur les terrasses avec une énergie d'activation de 1. 3 ± 0. 1 eV. Le second régime, étudié après la disparition des îlots, concerne la gamme de température supérieure (1273 K < T < 1473 K) ou à plus longue durée de recuit. Un bon accord entre les résultats expérimentaux, un modèle théorique basé sur l'équation de Langevin et des simulations numériques montre que le lissage du profil des marches est gouverné par l'émission d'atomes à partir du bord de marche. Les atomes issus de la marche diffusent sur la terrasse voisine pour se piéger sur une des marches qui la bordent. Les paramètres atomistiques, comme l’énergie d’activation, peuvent également être déduits. Cette étude statistique originale de l'évolution morphologique d'une surface hors d'équilibre démontre qu'il est possible d'accéder, à partir d’images AFM de dimensions micrométriques, au processus de transport de matières et aux paramètres atomistiques associés. Enfin, la méthodologie développée est généralisable à l'analyse non seulement des marches stables de toutes surfaces cristallines quelle qu’en soit la rugosité initiale mais elle peut être utilisée pour l'analyse du profil d'une interface quelconque. |
Actes |
Samir Assaf; Mohamed Guerich A modal superposition method for vibro-acoustic response of sandwich plates Actes VCB’08 : Vibrations, Chocs & bruit, Lyon, FRANCE, 2008. BibTeX @proceedings{GUERICH2008b,
title = {A modal superposition method for vibro-acoustic response of sandwich plates},
author = { Samir Assaf and Mohamed Guerich},
year = {2008},
date = {2008-12-06},
publisher = {VCB’08 : Vibrations, Chocs & bruit},
address = {Lyon, FRANCE},
keywords = {},
pubstate = {published},
tppubtype = {proceedings}
}
|
Samir Assaf; Mohamed Guerich Optimization of Transmission loss of damped sandwich structures Actes International Conference on Noise and Vibration : ISMA 2008, Leuven, BELGIUM, 2008. BibTeX @proceedings{GUERICH2008,
title = {Optimization of Transmission loss of damped sandwich structures},
author = { Samir Assaf and Mohamed Guerich},
year = {2008},
date = {2008-09-17},
publisher = {International Conference on Noise and Vibration : ISMA 2008},
address = {Leuven, BELGIUM},
keywords = {},
pubstate = {published},
tppubtype = {proceedings}
}
|
Samir Assaf; Mohamed Guerich Parametric study of Noise transmission Loss of damped sandwich structures Actes 12th AIAA/ISSMO Conference, Victoria, British Colombia, CANADA, 2008. BibTeX @proceedings{GUERICH2008bb,
title = {Parametric study of Noise transmission Loss of damped sandwich structures},
author = { Samir Assaf and Mohamed Guerich},
year = {2008},
date = {2008-09-12},
publisher = {12th AIAA/ISSMO Conference},
address = {Victoria, British Colombia, CANADA},
keywords = {},
pubstate = {published},
tppubtype = {proceedings}
}
|
Samir Assaf; Mohamed Guerich Influence of temperature on sound transmission through viscoelastic sandwich plates Actes ACOUSTICS’08, Paris, FRANCE, 2008. BibTeX @proceedings{GUERICH2008bb,
title = {Influence of temperature on sound transmission through viscoelastic sandwich plates},
author = { Samir Assaf and Mohamed Guerich},
year = {2008},
date = {2008-07-04},
publisher = {ACOUSTICS’08},
address = {Paris, FRANCE},
keywords = {},
pubstate = {published},
tppubtype = {proceedings}
}
|
2007 |
Articles de journaux |
Radoin Belaouar; Vladimir Tikhonchuk; Thierry Colin; Gerard Gallice Quasi-linear electron acceleration in a driven plasma wave Article de journal Dans: Plasma Physics and Controlled Fusion, 49 (7), p. 969, 2007. Résumé | Liens | BibTeX @article{0741-3335-49-7-002,
title = {Quasi-linear electron acceleration in a driven plasma wave},
author = { Radoin Belaouar and Vladimir Tikhonchuk and Thierry Colin and Gerard Gallice},
url = {http://stacks.iop.org/0741-3335/49/i=7/a=002},
year = {2007},
date = {2007-01-01},
journal = {Plasma Physics and Controlled Fusion},
volume = {49},
number = {7},
pages = {969},
abstract = {Saturation of electron plasma waves excited by a spatially localized driver and the electron acceleration in these plasma waves are studied by means of numerical simulations. The model consists of the set of Zakharov equations for the electron plasma and ion acoustic waves coupled to the quasi-linear equation for the electron distribution function. The saturation levels of both electron plasma and ion acoustic waves and the number and energy of hot electrons are studied in function of the driver wave number and amplitude and the size of the excitation region. A correlation between the onset of the strong Langmuir turbulence and the efficient electron heating is discussed.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Saturation of electron plasma waves excited by a spatially localized driver and the electron acceleration in these plasma waves are studied by means of numerical simulations. The model consists of the set of Zakharov equations for the electron plasma and ion acoustic waves coupled to the quasi-linear equation for the electron distribution function. The saturation levels of both electron plasma and ion acoustic waves and the number and energy of hot electrons are studied in function of the driver wave number and amplitude and the size of the excitation region. A correlation between the onset of the strong Langmuir turbulence and the efficient electron heating is discussed. |
Conférences |
T. Nguyen, D. Bonamy, L. Pham Van, J. Cousty; L. Barbier Thermal smoothing of monoatomic step edges of a (1-102) vicinal surface of sapphire Conférence 13th International Conference on Surface Science (ICSS-13) & International Conference on Nano Science and Technology (ICN+T), Stockholm-Sweden 2007. BibTeX @conference{,
title = {Thermal smoothing of monoatomic step edges of a (1-102) vicinal surface of sapphire},
author = {T. Nguyen, D. Bonamy, L. Pham Van, J. Cousty and L. Barbier
},
year = {2007},
date = {2007-07-02},
journal = {Physical Review B},
organization = {13th International Conference on Surface Science (ICSS-13) & International Conference on Nano Science and Technology (ICN+T), Stockholm-Sweden},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
2006 |
Articles de journaux |
Radoin Belaouar; Thierry Colin; Gerard Gallice; Cedric Galusinski Theoretical and numerical study of a quasi-linear Zakharov system describing Landau damping Article de journal Dans: ESAIM: M2AN, 40 (6), p. 961-990, 2006. Résumé | Liens | BibTeX @article{refId0,
title = {Theoretical and numerical study of a quasi-linear Zakharov system describing Landau damping},
author = { Radoin Belaouar and Thierry Colin and Gerard Gallice and Cedric Galusinski},
url = {http://dx.doi.org/10.1051/m2an:2007004},
doi = {10.1051/m2an:2007004},
year = {2006},
date = {2006-01-01},
journal = {ESAIM: M2AN},
volume = {40},
number = {6},
pages = {961-990},
abstract = {In this paper, we study a Zakharov system coupled to an electron diffusion equation in order to describe laser-plasma interactions. Starting from the Vlasov-Maxwell system, we derive a nonlinear Schrödinger like system which takes into account the energy exchanged between the plasma waves and the electrons via Landau damping. Two existence theorems are established in a subsonic regime. Using a time-splitting, spectral discretizations for the Zakharov system and a finite difference scheme for the electron diffusion equation, we perform numerical simulations and show how Landau damping works quantitatively.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
In this paper, we study a Zakharov system coupled to an electron diffusion equation in order to describe laser-plasma interactions. Starting from the Vlasov-Maxwell system, we derive a nonlinear Schrödinger like system which takes into account the energy exchanged between the plasma waves and the electrons via Landau damping. Two existence theorems are established in a subsonic regime. Using a time-splitting, spectral discretizations for the Zakharov system and a finite difference scheme for the electron diffusion equation, we perform numerical simulations and show how Landau damping works quantitatively. |
Conférences |
T. Nguyen, L. Pham Van; J.Cousty. NC-AFM: Bruits de phase d’AFM et imagerie d’isolants Conférence Forum de microscopes à sondes locales, Autrans 2006. BibTeX @conference{Nguyen2006,
title = {NC-AFM: Bruits de phase d’AFM et imagerie d’isolants},
author = { T. Nguyen, L. Pham Van and J.Cousty.},
year = {2006},
date = {2006-03-27},
organization = {Forum de microscopes à sondes locales, Autrans },
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
Thèses |
Radoin Belaouar Etude numérique et théorique de l'amortissement Landau en physique des plasmas. Thèse Thèse de Doctorat en Mathématiques appliquées de l'université de Bordeaux, 2006. BibTeX @phdthesis{•,
title = {Etude numérique et théorique de l'amortissement Landau en physique des plasmas.},
author = { Radoin Belaouar},
year = {2006},
date = {2006-01-01},
school = {Thèse de Doctorat en Mathématiques appliquées de l'université de Bordeaux},
keywords = {},
pubstate = {published},
tppubtype = {phdthesis}
}
|
2005 |
Conférences |
Salim Bouabdallah; Samir Ben Chaabane; Samy Missoum Analyse Fiabiliste du Procédé de Mise en Forme des Tôles Minces Conférence Actes du 7° Colloque National en Calcul des Structures, 1 , 2005, ISBN: 2746211386. Résumé | Liens | BibTeX @conference{Bouabdallah2005,
title = {Analyse Fiabiliste du Procédé de Mise en Forme des Tôles Minces},
author = { Salim Bouabdallah and Samir Ben Chaabane and Samy Missoum},
editor = {R. Ohayon, J.P. Grellier, A. Rassineux. Lavoisier},
url = {https://www.esilv.fr/ecole-ingenieur/wp-content/uploads/2014/07/122.pdf},
isbn = {2746211386},
year = {2005},
date = {2005-05-17},
booktitle = {Actes du 7° Colloque National en Calcul des Structures},
volume = {1},
pages = {523 - 528},
abstract = {RÉSUMÉ. Les procédés de mise en forme font intervenir plusieurs paramètres dont les valeurs varient autour de valeurs nominales de manière incertaine. Nous proposons dans cette étude une méthode d'analyse fiabiliste du procédé d'emboutissage des tôles minces basée sur l'utilisation du diagramme limite de formage. Une probabilité d'échec est définie en fonction de l'éloignement des points du domaine d'acceptabilité défini par les courbes limites de formage. ABSTRACT. Forming processes deal with several parameters presenting uncertainties. We propose in this paper a method for the reliability analysis of the deep drawing process. The limit state functions used in this analysis are based on the forming limit diagram. The distance of points to the diagram allows to defining a failure criterion and the corresponding probability},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
RÉSUMÉ. Les procédés de mise en forme font intervenir plusieurs paramètres dont les valeurs varient autour de valeurs nominales de manière incertaine. Nous proposons dans cette étude une méthode d'analyse fiabiliste du procédé d'emboutissage des tôles minces basée sur l'utilisation du diagramme limite de formage. Une probabilité d'échec est définie en fonction de l'éloignement des points du domaine d'acceptabilité défini par les courbes limites de formage. ABSTRACT. Forming processes deal with several parameters presenting uncertainties. We propose in this paper a method for the reliability analysis of the deep drawing process. The limit state functions used in this analysis are based on the forming limit diagram. The distance of points to the diagram allows to defining a failure criterion and the corresponding probability |
L. Pham Van, T. Nguyen, L. Manzon, C. Lubin; J. Cousty Charge sur isolants : deux approches complémentaires Conférence Forum de microscopes à sondes locales, Anglet 2005. Résumé | BibTeX @conference{Van2005,
title = {Charge sur isolants : deux approches complémentaires},
author = { L. Pham Van, T. Nguyen, L. Manzon, C. Lubin and J. Cousty},
year = {2005},
date = {2005-03-28},
organization = {Forum de microscopes à sondes locales, Anglet},
abstract = {Anglet 2005 - Affiche - Forum de microscopes à sondes locales, Charge sur isolants : deux
approches complémentaires, L. Pham Van, T. Nguyen, L. Manzon, C. Lubin, J. Cousty.},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
Anglet 2005 - Affiche - Forum de microscopes à sondes locales, Charge sur isolants : deux
approches complémentaires, L. Pham Van, T. Nguyen, L. Manzon, C. Lubin, J. Cousty. |
2004 |
Articles de journaux |
Nicolas Trompette; Mohamed Guerich An Experimental Validation of a Vibro-Acoustic simplified prediction by the use of simplified methods Article de journal Dans: Applied Acoustics, 66 , p. 427-445, 2004. Résumé | Liens | BibTeX @article{TROMPETTE2004,
title = {An Experimental Validation of a Vibro-Acoustic simplified prediction by the use of simplified methods},
author = { Nicolas Trompette and Mohamed Guerich},
url = {http://www.sciencedirect.com/science/article/pii/S0003682X04001434},
year = {2004},
date = {2004-09-01},
journal = {Applied Acoustics},
volume = {66},
pages = {427-445},
abstract = {Predicting the vibro-acoustic behaviour of a structure is usually done by using the well established finite element (FE) method and boundary element method. This paper presents a vibro-acoustic prediction case performed on a metal box using less accurate but simplified methods: sub-structuring for the calculation of the dynamic response of the structure, and a monopole distribution for the radiated noise calculation. Both are less accurate but faster methods than previous ones. An experimental validation was performed. It led to the conclusion that these methods give precise results and are sufficient for the pre-design of structures in the low frequency domain. However, this conclusion must be moderated by the fact that in spite of the simplicity of the structure, the FE model had to be adjusted to the experiments to yield to a result close to the experiments.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Predicting the vibro-acoustic behaviour of a structure is usually done by using the well established finite element (FE) method and boundary element method. This paper presents a vibro-acoustic prediction case performed on a metal box using less accurate but simplified methods: sub-structuring for the calculation of the dynamic response of the structure, and a monopole distribution for the radiated noise calculation. Both are less accurate but faster methods than previous ones. An experimental validation was performed. It led to the conclusion that these methods give precise results and are sufficient for the pre-design of structures in the low frequency domain. However, this conclusion must be moderated by the fact that in spite of the simplicity of the structure, the FE model had to be adjusted to the experiments to yield to a result close to the experiments. |
Actes |
Radoin Belaouar; Thierry Colin; Gerard Gallice; Cedric Galusinski Amortissement Landau en physique des plasmas Inproceedings Dans: Séminaire Équations aux dérivées partielles (Polytechnique), p. p12, 2004. Résumé | Liens | BibTeX @inproceedings{xedp,
title = {Amortissement Landau en physique des plasmas},
author = { Radoin Belaouar and Thierry Colin and Gerard Gallice and Cedric Galusinski},
url = {http://sedp.cedram.org/sedp-bin/fitem?id=SEDP_2003-2004____A2_0},
year = {2004},
date = {2004-01-01},
booktitle = {Séminaire Équations aux dérivées partielles (Polytechnique)},
volume = {2},
number = {1},
pages = {p12},
abstract = {Le but de cet article est de donner un sens au modèle mathématique décrivant l'amortissement Landau des ondes Langmuir en Physique des plasmas. L'originalité de ce modèle est la présence d'un couplage nonlinéaire entre le champ électrique, fonction de la position spatiale, et la distribution électronique des électrons en fonction de la fréquence. Ce couplage spatio-fréquentiel ainsi que les termes nonlinéaires obligent à considérer le problème simultanément en variable spatiale et fréquentielle sur le champ électrique. Deux théorèmes d'existence locale sont alors établis ; l'un avec une hypothèse portant sur la distribution électronique initiale assurant un amortissement des ondes Langmuir au cours du temps ; l'autre sans cette hypothèse, mais pour des données initiales plus régulières.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Le but de cet article est de donner un sens au modèle mathématique décrivant l'amortissement Landau des ondes Langmuir en Physique des plasmas. L'originalité de ce modèle est la présence d'un couplage nonlinéaire entre le champ électrique, fonction de la position spatiale, et la distribution électronique des électrons en fonction de la fréquence. Ce couplage spatio-fréquentiel ainsi que les termes nonlinéaires obligent à considérer le problème simultanément en variable spatiale et fréquentielle sur le champ électrique. Deux théorèmes d'existence locale sont alors établis ; l'un avec une hypothèse portant sur la distribution électronique initiale assurant un amortissement des ondes Langmuir au cours du temps ; l'autre sans cette hypothèse, mais pour des données initiales plus régulières. |
Radoin Belaouar; Vladimir Tikhonchuk; Thierry Colin; Gerard Gallice Quasilinear electron acceleration in a driven plasma wave Inproceedings Dans: Europhysics Conference Abstracts, 2004. Résumé | Liens | BibTeX @inproceedings{epslondon,
title = {Quasilinear electron acceleration in a driven plasma wave},
author = { Radoin Belaouar and Vladimir Tikhonchuk and Thierry Colin and Gerard Gallice},
url = {http://epsppd.epfl.ch/London/pdf/P5_047.pdf},
year = {2004},
date = {2004-01-01},
booktitle = {Europhysics Conference Abstracts},
volume = {28},
abstract = {We study the eletron aeleration by driven eletron plasma waves. The model onsists of the Zakharov equations for the eletron plasma and ion aousti waves driven by an external periodi fore. A modi ation of the eletron distribution funtion is aounted for in the quasilinear approximation. The simulations de ne the saturation levels and spetra of eletron plasma and ion aousti waves and haraterize the shape of the eletron distribution in funtion of the wave number and the amplitude of the pump.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
We study the eletron aeleration by driven eletron plasma waves. The model onsists of the Zakharov equations for the eletron plasma and ion aousti waves driven by an external periodi fore. A modi ation of the eletron distribution funtion is aounted for in the quasilinear approximation. The simulations de ne the saturation levels and spetra of eletron plasma and ion aousti waves and haraterize the shape of the eletron distribution in funtion of the wave number and the amplitude of the pump. |
2003 |
Chapitres d'ouvrage |
Charles Forster; Jean-Paul Boufflet; Sofiane Hadji; Salim Bouabdallah An Interactive Decision Support System For Unidirectional Tolerancing Chapitre d'ouvrage Dans: G. Gogu D. Coutellier, Chedmail Ray. Springer P P (Ed.): p. 95-104, Recent Advances in Integrated Design and Manufacturing in Mechanical Engineering, 2003, ISBN: 1402011636. BibTeX @inbook{Bouabdallah2003,
title = {An Interactive Decision Support System For Unidirectional Tolerancing},
author = { Charles Forster and Jean-Paul Boufflet and Sofiane Hadji and Salim Bouabdallah},
editor = {G. Gogu, D. Coutellier, P. Chedmail, P. Ray. Springer},
isbn = {1402011636},
year = {2003},
date = {2003-07-02},
pages = {95-104},
publisher = {Recent Advances in Integrated Design and Manufacturing in Mechanical Engineering},
keywords = {},
pubstate = {published},
tppubtype = {inbook}
}
|
2002 |
Conférences |
Mohamed Guerich; Jérôme Pasquiet Optimisation on discrete variables : Application to structural design Conférence Actes des quatrièmes Journées Scientifiques et techniques en Mécanique des Matériaux : , :, JSTMM'02, Les procédés de formage Réalité et simulation, Monastir, TUNISIE, 2002. BibTeX @conference{GUERICH2002b,
title = {Optimisation on discrete variables : Application to structural design},
author = { Mohamed Guerich and Jérôme Pasquiet},
year = {2002},
date = {2002-10-26},
booktitle = {Actes des quatrièmes Journées Scientifiques et techniques en Mécanique des Matériaux : , :},
pages = {173-181},
publisher = {JSTMM'02, Les procédés de formage Réalité et simulation},
address = {Monastir, TUNISIE},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
Mohamed Guerich; Nicolas Trompette An experimental validation of vibro-acoustic prediction by the use of simplified methods Conférence Proc of the International Conference on Noise and Vibration : ISMA 2002, Leuven, BELGIUM, 2002. BibTeX @conference{GUERICH2002,
title = {An experimental validation of vibro-acoustic prediction by the use of simplified methods},
author = { Mohamed Guerich and Nicolas Trompette},
year = {2002},
date = {2002-09-16},
booktitle = {Proc of the International Conference on Noise and Vibration : ISMA 2002, Leuven, BELGIUM},
pages = {2165-2170},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
Charles Forster; Jean-Paul Boufflet; Sofiane Hadji; Salim Bouabdallah Un système interactif d'aide à la décision en tolérancement unidirectionnel Conférence IDMME '2002, 2002. BibTeX @conference{Bouabdallah2002,
title = {Un système interactif d'aide à la décision en tolérancement unidirectionnel},
author = { Charles Forster and Jean-Paul Boufflet and Sofiane Hadji and Salim Bouabdallah},
year = {2002},
date = {2002-07-10},
publisher = {IDMME '2002},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
2000 |
Articles de journaux |
Ying-Qiao Guo; Jean-Louis Batoz; Hakim Naceur; Salim Bouabdallah; Frédéric Mercier; Olivier Barlet Recent Developments On The Analysis & Optimum Design Of Sheet Metal Forming Parts Using A Simplified Inverse Approach Article de journal Dans: Computers & Structures, 78 , p. 133-148, 2000. BibTeX @article{Bouabdallah2000,
title = {Recent Developments On The Analysis & Optimum Design Of Sheet Metal Forming Parts Using A Simplified Inverse Approach},
author = { Ying-Qiao Guo and Jean-Louis Batoz and Hakim Naceur and Salim Bouabdallah and Frédéric Mercier and Olivier Barlet},
year = {2000},
date = {2000-11-01},
journal = {Computers & Structures},
volume = {78},
pages = {133-148},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Conférences |
Mohamed Guerich; Abderrahim Abouelainine; Patrick Morelle Application of Approximation Concepts to Branch and Bound Method for Large Scale Problems Conférence 8th AIAA Symposium on Multidisciplinary Analysis and Optimisation, California, USA, 2000. BibTeX @conference{M.GUERICH2014,
title = {Application of Approximation Concepts to Branch and Bound Method for Large Scale Problems},
author = { Mohamed Guerich and Abderrahim Abouelainine and Patrick Morelle},
year = {2000},
date = {2000-09-08},
publisher = {8th AIAA Symposium on Multidisciplinary Analysis and Optimisation},
address = {California, USA},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
1999 |
Articles de journaux |
Mohamed Guerich; Mohamed-Ali Hamdi A Numerical Method for Vibro-Acoustic Problems with Incompatible Finite Element Meshes Using B-Spline Functions Article de journal Dans: Journal of Acoustical Society of America, 105 (3), p. 1682-1694, 1999. BibTeX @article{M.GUERICH1999,
title = {A Numerical Method for Vibro-Acoustic Problems with Incompatible Finite Element Meshes Using B-Spline Functions},
author = { Mohamed Guerich and Mohamed-Ali Hamdi},
year = {1999},
date = {1999-03-01},
journal = {Journal of Acoustical Society of America},
volume = {105},
number = {3},
pages = {1682-1694},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Conférences |
Hakim Naceur; Ying-Qiao Guo; Jean-Louis Batoz; Salim Bouabdallah; Catherine Knopf-Lenoir Design of Process Parameters in Deep Drawing of Thin Sheets Using The Simplified Inverse Approach Conférence NUMISHEET '99, 1 , 1999. BibTeX @conference{Bouabdallah99,
title = {Design of Process Parameters in Deep Drawing of Thin Sheets Using The Simplified Inverse Approach},
author = { Hakim Naceur and Ying-Qiao Guo and Jean-Louis Batoz and Salim Bouabdallah and Catherine Knopf-Lenoir},
editor = {NUMISHEET},
year = {1999},
date = {1999-07-05},
booktitle = {NUMISHEET '99},
volume = {1},
pages = {517-522},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
1998 |
Conférences |
Jean-Louis Batoz; Salim Bouabdallah; Ying-Qiao Guo; Frédéric Mercier; Hakim Naceur On Some Enhanced Computational Aspects of The Inverse Approach For Sheet Forming Analysis Conférence Simulation of Material Processing : Theory, Methods & Applications, NUMIFORM '98, 1998. BibTeX @conference{Bouabdallah98,
title = {On Some Enhanced Computational Aspects of The Inverse Approach For Sheet Forming Analysis},
author = { Jean-Louis Batoz and Salim Bouabdallah and Ying-Qiao Guo and Frédéric Mercier and Hakim Naceur},
editor = {Huétink & Baaijens},
year = {1998},
date = {1998-07-09},
booktitle = {Simulation of Material Processing : Theory, Methods & Applications},
pages = {807-812},
publisher = {NUMIFORM '98},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
Olivier Barlet; Jean-Louis Batoz; Salim Bouabdallah; Ying-Qiao Guo; Catherine Knopf-Lenoir; Frédéric Mercier; Hakim Naceur Analysis and Shape Optimum Design of Thin Shell Structures Obtained By Deep Drawing Conférence IDMME '98, 1998. BibTeX @conference{Bouabdallah98bb,
title = {Analysis and Shape Optimum Design of Thin Shell Structures Obtained By Deep Drawing},
author = { Olivier Barlet and Jean-Louis Batoz and Salim Bouabdallah and Ying-Qiao Guo and Catherine Knopf-Lenoir and Frédéric Mercier and Hakim Naceur},
year = {1998},
date = {1998-05-17},
pages = {507–514},
publisher = {IDMME '98},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
Chapitres d'ouvrage |
Ying-Qiao Guo; Jean-Louis Batoz; Salim Bouabdallah; Frédéric Mercier; Hakim Naceur Some Recent Developments Of The Simplified Inverse Approach for Sheet Metal Forming Analysis Chapitre d'ouvrage Dans: Topping, B H V (Ed.): p. 333-342, Civil-Comp Press, Edinburgh, United Kingdom, 1998, ISBN: 0948749571. BibTeX @inbook{Bouabdallah98b,
title = {Some Recent Developments Of The Simplified Inverse Approach for Sheet Metal Forming Analysis},
author = { Ying-Qiao Guo and Jean-Louis Batoz and Salim Bouabdallah and Frédéric Mercier and Hakim Naceur},
editor = {B.H.V. Topping},
isbn = {0948749571},
year = {1998},
date = {1998-07-08},
pages = {333-342},
publisher = {Civil-Comp Press},
address = {Edinburgh, United Kingdom},
keywords = {},
pubstate = {published},
tppubtype = {inbook}
}
|
1997 |
Conférences |
S. Brunet; Jean-Louis Batoz; Salim Bouabdallah Sur l'évaluation des risques de plissement local de pièces industrielles obtenues par emboutissage Conférence Actes du 3° Colloque National en Calcul des Structures, 1997. BibTeX @conference{Bouabdallah97,
title = {Sur l'évaluation des risques de plissement local de pièces industrielles obtenues par emboutissage},
author = { S. Brunet and Jean-Louis Batoz and Salim Bouabdallah},
year = {1997},
date = {1997-05-23},
booktitle = {Actes du 3° Colloque National en Calcul des Structures},
pages = {753-758},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
1996 |
Articles de journaux |
Salim Bouabdallah; Jean-Louis Batoz Formulation and Evaluation of a Finite Element Model For The Linear Analysis of Stiffened Composite Cylindrical Panels Article de journal Dans: Finite Element in Analysis and Design, 21 (4), p. 265-289, 1996. BibTeX @article{Bouabdallah96,
title = {Formulation and Evaluation of a Finite Element Model For The Linear Analysis of Stiffened Composite Cylindrical Panels},
author = { Salim Bouabdallah and Jean-Louis Batoz},
year = {1996},
date = {1996-07-01},
journal = {Finite Element in Analysis and Design},
volume = {21},
number = {4},
pages = {265-289},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
1994 |
Articles de journaux |
Salim Bouabdallah; Tanguy Quesnel; Jean-Louis Batoz Modèles de calcul de plaques et coques raidies Article de journal Dans: Revue de Mécanique Industrielle et Matériaux, 47 (3), p. 355-360, 1994, ISSN: 1244-9091. BibTeX @article{Bouabdallah94,
title = {Modèles de calcul de plaques et coques raidies},
author = { Salim Bouabdallah and Tanguy Quesnel and Jean-Louis Batoz},
editor = {VB, Garches, FRANCE},
issn = {1244-9091},
year = {1994},
date = {1994-07-01},
journal = {Revue de Mécanique Industrielle et Matériaux},
volume = {47},
number = {3},
pages = {355-360},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
1990 |
Conférences |
Salim Bouabdallah; Jean-Louis Batoz Eléments finis courbes pour l'analyse de cylindres composites raidis Conférence 7° Journées Nationales des Composites, 1990. BibTeX @conference{Bouabdallah90,
title = {Eléments finis courbes pour l'analyse de cylindres composites raidis},
author = { Salim Bouabdallah and Jean-Louis Batoz},
editor = {G. Fantozzi et P. Fleischmann},
year = {1990},
date = {1990-07-03},
pages = {695-704},
publisher = {7° Journées Nationales des Composites},
keywords = {},
pubstate = {published},
tppubtype = {conference}
}
|
1984 |
Articles de journaux |
Kamel Hamdache Quelques résultats pour l'équation de Boltzmann Article de journal Dans: CRAS Paris.Série I, % volume = 299, (5), p. 431–434, 1984. BibTeX @article{Hamdache2,
title = {Quelques résultats pour l'équation de Boltzmann},
author = {Kamel Hamdache},
year = {1984},
date = {1984-01-01},
journal = {CRAS Paris.Série I, % volume = 299},
number = {5},
pages = {431--434},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
1983 |
Articles de journaux |
Kamel Hamdache Existence globale et comportement asymptotique pour des systèmes hyperboliques semilinéaires en plusieurs variables d'espace Article de journal Dans: CRAS Paris.Série I, 299 (5), p. 619–622, 1983. BibTeX @article{Hamdache1,
title = {Existence globale et comportement asymptotique pour des systèmes hyperboliques semilinéaires en plusieurs variables d'espace},
author = {Kamel Hamdache},
year = {1983},
date = {1983-01-01},
journal = {CRAS Paris.Série I},
volume = {299},
number = {5},
pages = {619--622},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Kamel Hamdache Forward speed motion of a submerged body. The Cauchy problem Article de journal Dans: Math. Meth. Appl. Sci., 6 (5), p. 371–392, 1983. BibTeX @article{Hamdache12,
title = {Forward speed motion of a submerged body. The Cauchy problem},
author = {Kamel Hamdache},
year = {1983},
date = {1983-01-01},
journal = {Math. Meth. Appl. Sci.},
volume = {6},
number = {5},
pages = {371--392},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
1975 |
Thèses |
Kamel Hamdache Conditions aux limites non linéaires pour des systèmes symétriques Thèse 1975. BibTeX @phdthesis{Hamdache01,
title = {Conditions aux limites non linéaires pour des systèmes symétriques},
author = {Kamel Hamdache},
year = {1975},
date = {1975-01-01},
publisher = {Université d'Alger},
keywords = {},
pubstate = {published},
tppubtype = {phdthesis}
}
|
0000 |
Articles de journaux |
Kamel Hamdache; Djamila Hamroun; Asma Louardani Global weak solutions to a model of micropolar fluids with Maxwell-Cattaneo heat transfer law Article de journal Dans: Nonlinear Analysis, 142 , p. 69-96, 0000. Résumé | BibTeX @article{HamdacheHamrounLouardani,
title = {Global weak solutions to a model of micropolar fluids with Maxwell-Cattaneo heat transfer law},
author = {Kamel Hamdache and Djamila Hamroun and Asma Louardani},
editor = {Science Direct},
journal = {Nonlinear Analysis},
volume = {142},
pages = {69-96},
abstract = {This work is devoted to the study of a system describing the dynamics of a heated
micropolar fluid under the action of an applied magnetic field. The heat transfer
is subjected to Maxwell–Cattaneo law instead of the usual Fourier law. Thanks
to regularization and compactness methods the global existence in time of weak
solutions with finite energy has been proved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This work is devoted to the study of a system describing the dynamics of a heated
micropolar fluid under the action of an applied magnetic field. The heat transfer
is subjected to Maxwell–Cattaneo law instead of the usual Fourier law. Thanks
to regularization and compactness methods the global existence in time of weak
solutions with finite energy has been proved. |
Guillaume Guérard La méthode BIM, un atout pour construire plus écolo Article de journal Dans: The Conversation et Fréquence Terre, 0000. BibTeX @article{Guérard2017a,
title = {La méthode BIM, un atout pour construire plus écolo },
author = {Guillaume Guérard},
journal = {The Conversation et Fréquence Terre},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Guillaume Guérard Bâtiments intelligents : des méthodes en pleine évolution Article de journal Dans: BIM World., 0000. BibTeX @article{guerard2017b,
title = {Bâtiments intelligents : des méthodes en pleine évolution },
author = {Guillaume Guérard},
journal = {BIM World.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Guillaume Guérard Smart City : ces métiers qui travaillent à créer la ville de demain Article de journal Dans: Cadre Emploi., 0000. BibTeX @article{Guérard2017c,
title = {Smart City : ces métiers qui travaillent à créer la ville de demain },
author = {Guillaume Guérard},
journal = {Cadre Emploi.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Guillaume Guérard La question du changement climatique est devenue un problème mondial Article de journal Dans: Grand Angle de la CGE, 0000. BibTeX @article{guerard2017d,
title = {La question du changement climatique est devenue un problème mondial },
author = {Guillaume Guérard},
journal = {Grand Angle de la CGE},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Kamel Hamdache et Youcef Amirat Steady state solutions of ferrofluid flow models Article de journal Dans: Communications of Pure and Applied Analysis, 15 (6), p. 2329-2356, 0000. Résumé | Liens | BibTeX @article{Hamdache2016c,
title = {Steady state solutions of ferrofluid flow models},
author = {Kamel Hamdache et Youcef Amirat},
editor = {Americain Institut of Mathematical Sciences},
doi = {doi: 10.3934/cpaa.2016039},
journal = {Communications of Pure and Applied Analysis},
volume = {15},
number = {6},
pages = {2329-2356},
abstract = {We study two models of differential equations for the stationary flow of an incompressible viscous magnetic fluid subjected to an external magnetic field. The first model, called Rosensweig's model, consists of the incompressible Navier-Stokes equations, the angular momentum equation, the magnetization equation of Bloch-Torrey type, and the magnetostatic equations. The second one, called Shliomis model, is obtained by assuming that the angular momentum is given in terms of the magnetic field, the magnetization field and the vorticity. It consists of the incompressible Navier-Stokes equation, the magnetization equation and the magnetostatic equations. We prove, for each of the differential systems posed in a bounded domain of R3 and equipped with boundary conditions, existence of weak solutions by using regularization techniques, linearization and the Schauder fixed point theorem.doi: 10.3934/cpaa.2016039},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
We study two models of differential equations for the stationary flow of an incompressible viscous magnetic fluid subjected to an external magnetic field. The first model, called Rosensweig's model, consists of the incompressible Navier-Stokes equations, the angular momentum equation, the magnetization equation of Bloch-Torrey type, and the magnetostatic equations. The second one, called Shliomis model, is obtained by assuming that the angular momentum is given in terms of the magnetic field, the magnetization field and the vorticity. It consists of the incompressible Navier-Stokes equation, the magnetization equation and the magnetostatic equations. We prove, for each of the differential systems posed in a bounded domain of R3 and equipped with boundary conditions, existence of weak solutions by using regularization techniques, linearization and the Schauder fixed point theorem.doi: 10.3934/cpaa.2016039 |
Kamel Hamdache et Youcef Amirat Steady state solutions of ferrofluid flow models Article de journal Dans: Communications of Pure and Applied Analysis, 15 (6), p. 2329-2356, 0000. Résumé | Liens | BibTeX @article{hamdache2016d,
title = {Steady state solutions of ferrofluid flow models},
author = {Kamel Hamdache et Youcef Amirat},
editor = {Americain Institut of Mathematical Sciences},
doi = {doi: 10.3934/cpaa.2016039},
journal = {Communications of Pure and Applied Analysis},
volume = {15},
number = {6},
pages = {2329-2356},
abstract = {We study two models of differential equations for the stationary flow of an incompressible viscous magnetic fluid subjected to an external magnetic field. The first model, called Rosensweig's model, consists of the incompressible Navier-Stokes equations, the angular momentum equation, the magnetization equation of Bloch-Torrey type, and the magnetostatic equations. The second one, called Shliomis model, is obtained by assuming that the angular momentum is given in terms of the magnetic field, the magnetization field and the vorticity. It consists of the incompressible Navier-Stokes equation, the magnetization equation and the magnetostatic equations. We prove, for each of the differential systems posed in a bounded domain of R3 and equipped with boundary conditions, existence of weak solutions by using regularization techniques, linearization and the Schauder fixed point theorem.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
We study two models of differential equations for the stationary flow of an incompressible viscous magnetic fluid subjected to an external magnetic field. The first model, called Rosensweig's model, consists of the incompressible Navier-Stokes equations, the angular momentum equation, the magnetization equation of Bloch-Torrey type, and the magnetostatic equations. The second one, called Shliomis model, is obtained by assuming that the angular momentum is given in terms of the magnetic field, the magnetization field and the vorticity. It consists of the incompressible Navier-Stokes equation, the magnetization equation and the magnetostatic equations. We prove, for each of the differential systems posed in a bounded domain of R3 and equipped with boundary conditions, existence of weak solutions by using regularization techniques, linearization and the Schauder fixed point theorem. |
Non publié |
Radoin Belaouar & Erwan Faou Sobolev norm growths for Schrödinger equations: some numerical examples Non publié 0000. Résumé | Liens | BibTeX @unpublished{00000,
title = {Sobolev norm growths for Schrödinger equations: some numerical examples},
author = {Radoin Belaouar & Erwan Faou},
url = {http://www.irisa.fr/ipso/perso/faou/NLS/growthsweb.html},
abstract = {http://www.irisa.fr/ipso/perso/faou/NLS/growthsweb.html},
keywords = {},
pubstate = {published},
tppubtype = {unpublished}
}
http://www.irisa.fr/ipso/perso/faou/NLS/growthsweb.html |
