Regular Academic Activities:

  In charge of the following lectures:

   "Compléments de mécanique des solides”  (Advanced Solid Mechanics) (30 h + 30 h), CSMMC (option), EMAAE, 2MP.

   "Mécanique de la rupture”,  (Fracture Mechanics, 30 h.+ 30h), 3MP,3EMA.

   ”Mécanique des céramiques”,  (Mechanic of Ceramic, 15 h + 15h), 3 EM (option)

   “Aspect thermodynamique des comportements des solides”, (Thermodynamic Aspect of the Behaviour of Solids, 20 h + 20 h), 3 EM (option).

   "Modélisation des solides par la méthode des éléments aux frontières", (Boundary Element Method in Solid Mechanics, 15 h + 15 h), 3 EM(option), 3 MP (option)

  Research activities

   Main topics

     Computational Solid Mechanics (finite element method, boundary element method, analytical method, mathematical programming techniques)

      Non-linear Behaviour of Solids (plasticity, visco-plasticity, visco-elasticity, fatigue, damage)

      Limit State Calculations (limit analysis, shakedown analysis, second order effects)

      Advanced Solid Mechanics (fracture mechanic, contact of solids, mechanic of ceramic)

      Optimisation of Structures (limit design, shakedown design)

      Structural Analysis (beams, plates in extension and in bending, shells…).

      Fracture Mechanics (linear, non-linear.)

  Main computing packages

      Author of the following computing packages :

 ADELEF, « Analyse et Dimension­nement aux Etats Limites par la Méthode des Eléments Finis » ‑ Analysis and Design in Limit State by Finite Element Method.

      -This package may perform :

      -Elastic analysis : plane structures, rotational shells

      -Limit analysis : plane structures, rotational shells

      -Visco-plastic analysis : plane structures

      -Shakedown analysis : plane structures, rotational plates and shells

      -Contact analysis : plane structures

      -Fracture analysis : plane structures

CEPAO, “Calcul Elastique-Plastique , Analyse et Optimisation » - Analysis and Optimisation of frame structures.

      This package may perform :

Limit Analysis, Limit Design, Shakedown Analysis, Shakedown Design, Step-by-step Elastic-Plastic Analysis, Second Order Effects, Plastic Deformation Direct Calculations, Stability Control, Optimal Design of Reinforced Concrete Structures...

SAMCEF, “Système d'Analyse des Milieux Continus par la Méthode des Elements Finis” : Contribution to the computation in the doains of Fracture Mechanic and Delamination of Composites.

   ELSA (1991-1993, Elbows Limit and Shakedown Analysis).

   BECOME (1992-1994, Boundary Element COmputatioanl MEthod).

 Main joint-researches with industries

      C.M.I.- contract : "Shakedown analysis of nuclear-reactor structures", ( 3 years, 1983-1985)

      S.E.P. - SAMTECH - contract : "3-D fracture Mechanic by Finite Element Method" ( 1 year, 1987-1988)

      CARAT-DUCHATELET - contract :"Design of a lengthened and reinforced Mercedes" (1988).

      AEROSPATIALE (Marignane) - SAMTECH - contract : "Equivalent Domaine Integral of VCE Method"          (1989).

      CEE-MONS - contract :"Numerical Analysis of Pressured  Elbows" ( 1989).

      AEROSPATIALE (Marignane) - SAMTECH - contract : "Collage Algorithm",(1990).

      AEROSPATIALE (Toulouse) - SAMTECH contract : "Calculation of the integral J by the method of  Equivalent  Domain  Integral  in  SAMCEF under nonlinear conditions". (1991).

      WALLOON REGION - Program Multimaterials : "Development and assessment of the damage      phenomenon of composites" (1991-1995).

CEE-AG2 Contract N° ETNUT-0110-B (1993) (In collaboration with Faculty of Technologies of  Mons, Belgium and the British society NNC) : "Shakedown analysis of pipes and elbows" (1993-1995).

CEE-AG2 Contract N° 0235 – UK, (major contator : NNC) : "Application of shakedown methods to piping" (1994-1995).

FRAMATOME (Paris) - Contract "Analyse limite des coudes avec le programme ELSA" : Limit analysis of elbows (1994-1995).

CEE- COST 512- EUROPEAN CONCERTED ACTION ON MODELLING IN MATERIAL SCIENCE AND PROCESSING (MMSP) MATERIALS. Convention N° 2760, sponsored by Walloon Region. Project: "Modelling and simulation of damage growth and crack extension in metallic and composites structures subjected to fatigue with the presence of residual stresses", (1995-1999).

CEE, Brite&Eram : Project  N° BE97-4547: LISA : « FEM Based limit and shakedown analyisis for design and integrity assessment in European industry”, (1988-2002).

  General scientific and academic activities

      Manager of scientific meetings

      -Manager and chairman of the Liège-Workshop on theme "Applications of the Mathematical Programming   Method to Structural Analysis and Design", Liège, June 1, 1982 (40 participants from    European countries).

       -Manager of the Milan-Liège day on theme "Boundary Finite Element Method", Liège, January  26, 1988.

       -Manager of the contact group meeting on the theme : "Applications of the mathematical programming   method in optimisation and analysis of structures", Liège, May 6, 1988.

       -Manager and chairman of the "One day Seminar on Boundary Element Method", Liège December 2  1991", organised by FNRS-BEM Contact Group with the participation of Ch. Massonnet, C.A. Brebia, P. Parreira, M. Géradin, P. Beckers, M. Hogge, J. Etienne ...

       - Member of the international scientific meeting "Computational Methods in Contact Mechanics, organized by Wessex Institute of Technology, Southampson, UK,  July 1993"

      Promoter of European research groups

      -President of the FNRS contact group "Boundary Element Method".

      -Promoter and Secretary of the FNRS contact group "Mathematical Programming Techniques and their  Applications in Structural Analysis and Design".

      - President of the FNRS contact group "Fracture and Damage Mechanics" (1992).

      -Promoter and co-ordinator in Liège of the 3rd cycle Advanced Studies ERASMUS teaching program on  "Computational Mechanics of Solids and Structures", with the partici­pation of 16 European Universities or High Schools.

      -Administrator of the COMETT program named "European Network for Computer Science Applied to  Mechanics in Industry" (CSAMI, F. Muller, Place Jussieu, 4, University of Paris IV, France).

      -Promoter and co-ordinator in Liège of the TEMPUS program named "Computer aide design of structures made of material with complex behaviour" with the participation of 20 European universities or High Schools  including Warsaw, Cracow, Poznan, Budapest, Bratislava, Prague, Miskolc, Nis, Ljubljana...

     - Chairman of working group IV (Simulation material properties), COST 512 of E.C. : Modelling of  Properties, COST 512 MMSP (95-96-97).