PICOF '98

Colloque sur les problèmes inverses, le contrôle et l'optimisation de formes

8-10 avril 1998
Palais de Beït El Hikma
Carthage (Tunisie)
Organisation : INRIA et ENIT
Avec le concours de l'université de technologie de Compiègne

ENIT

PROGRAMME PROVISOIRE :

Mercredi 8 avril

Session 1

09h30-10h00: R. Ewing (Texas A&M University); Upscaling issues in parameter estimation of models for flow in porous media
10h00-10h30: J. Jaffré (INRIA Rocquencourt); Estimation of non-linearities in three-phase flow in porous media
10h30-11h00: S. Andrieux (Électricité de France); Extended reciprocity gap functional and identification of cracks by overspecified boundary data
11h00-11h30: Pause café

Session 2

11h30-12h00: W. Rundell (Texas A&M University); The use of the domain derivative in the determination and reconstruction of interior obstacles
12h00-12h30: K. Kunisch (Univ. Karl Franzens, Graz); Regularization by total bounded variation: theory and algorithms
12h30-13h00: D. Fasino (Univ. of Udine); An inverse Robin problem in nondestructive corrosion detection: theory and numerical methods
13h00-14h30: Déjeuner

Session 3

14h30-15h00: F. Jouve (École Polytechnique, Palaiseau); Checkerboard instabilities in topological shape optimization algorithms
15h00-15h30: J. Haslinger (Univ. Charles, Prague); Contact shape optimization based on the reciprocal variational formulation
15h30-16h00: J.-P. Zolésio (École des Mines de Paris, Sophia Antipolis); Dynamical shape control in Navier-Stokes flow
16h00-16h30: Pause café

Session 4

16h30-17h00: A. Ben Abda (ENIT & IPEST, Tunis); Reciprocity principle and cracks identification
17h00-17h30: M. Bonnet (École Polytechnique, Palaiseau); On the estimation of the geometrical support of modelling defects using the distributed error in constitutive equation
17h30-18h00: D. Lesselier (SUPELEC, Gif-sur-Yvette); On novel inversion methods of diffusive and propagative wavefields in the spectral and spatial domain with emphasis on the reconstruction of buried obstacles

Jeudi 9 avril

Session 5

09h00-09h30: J.-P. Puel (Univ. de Versailles); An inverse problem for a stationary Stokes system with linear convection
09h30-10h00: J.-P. Raymond (Univ. Paul Sabatier, Toulouse); Dirichlet boundary control of semilinear parabolic equations with pointwise state constraints
10h00-10h30: H. Bahouri (FST, Tunis); Geometric optics and scattering theory for the critical non linear wave equation
10h30-11h00: B. Dehman (FST, Tunis); Stabilisation pour l'équation des ondes semi-linéaire
11h00-11h30: Pause café

Session 6

11h30-12h00: V. Isakov (Wichita State Univ.); Inverse problems for the diffusion equation
12h00-12h30: S. Vessela (Istituto di Analisi Globale e Applicazioni, Firenze); Stable determination of boundaries from Cauchy data
12h30-13h00: G. Chavent (INRIA Rocquencourt & Univ. Paris-Dauphine); Parameter versus states-space regularization for non linear least square problems
13h00-14h30: Déjeuner
14h30-17h30: Visite du musée de Carthage, guidée par le Dr Abdelmajid Ennabli, Conservateur du musée et du Parc Archéologique de Carthage
20h30: Dîner de gala

Vendredi 10 avril

Session 7

09h00-09h30: M. Masmoudi (Univ. Paul Sabatier, Toulouse); A synthetic presentation of shape and topological optimization
09h30-10h00: J. Sokolowski (Univ. Henri Poincaré, Nancy); Topological derivatives for elliptic equations
10h00-10h30: B. Mohammadi (Univ. Montpellier II & INRIA); An unified formulation for shape optimization and flow control
10h30-11h00: E. Bonnetier (École Polytechnique, Palaiseau); Instabilités morphologiques pour un problème 1-D du film cristallin
11h00-11h30: Pause café

Session 8

11h30-12h00: J. Leblond (INRIA Sophia Antipolis); How can meromorphic approximation help to solve some 2-D inverse problems for the Laplacian?
12h00-12h30: T. Ha Duong (Univ. de Technologie de Compiègne); On inverse scattering by screens
12h30-13h00: J.C. Nédélec (École Polytechnique, Palaiseau); Couplage éléments finis-équations intégrales pour la résolution des équations de Maxwell en milieu hétérogène
13h00-14h30: Déjeuner

Session 9

14h30-15h00: H. Ammari (École Polytechnique, Palaiseau); Propagation d'ondes électromagnétiques à basses fréquences
15h00-15h30: M. Jaidane (ENIT, Tunis); Blind equalization for randomly time-varying channels
15h30-16h00: P. Ladevèze (École Nationale Supérieure de Cachan); Application of a posteriori error estimation for structural model updating
16h00-16h30: Pause café

Session 10

16h30-17h00: A. El Badia (Univ. de Technologie de Compiègne); Unique recovery of source terms and coefficients from boundary measurements
17h00-17h30: M. Jaoua (ENIT, Tunis & Univ. de Technologie de Compiègne); Identification of 2-D line segment cracks by elastic boundary measurements
17h30-18h00: Clôture