5th esaform conference on Material Forming Akademia Górniczo-Hutnicza Kraków, April 13-17, 2002 conference programme

11:45 - 12:05 DEVELOPMENT OF A NEW REGRESSION MODEL FOR THE RECRYSTALLIZATION KINETICS OF HOT-DEFORMED AUSTENITE

L.P. Karjalainen, M.C. Somani(University of Oulu, Finland), D.A. Porter (Rautaruukki Oyj, Corporate R&D, Raahe, Finland), R.A. Morgridge (University of Ibadan, Nigeria)

12:05 - 12:25 FINITE ELEMENT 3-D SIMULATION OF THE RING ROLLING PROCESS

Z. Malinowski, M. Glowacki, M. Pietrzyk (Akademia Gorniczo-Hutnicza, Krakow, Poland)

12:25 - 12:45 THE MATHEMATICAL MODELLING OF MATERIAL BEHAVIOR IN EXTREMELY HIGH TEMPERATURES

M. Głowacki (Akademia Górniczo-Hutnicza, Kraków, Poland), W. Zalecki (Institute for Ferrous Metallurgy, Gliwice, Poland)

12:45 - 13:05 THE EFFECT OF SILICON ON DEFORMATION PROCESSING MAPS FOR CONTROL OF SILICON BRONZES STRUCTURE

Z. Gronostajski (Wrocław University of Technology, Poland)
11:15 – 12:45 ROOM D

Mini-symposium 12 - Material Characterisation and Computational Methods in Cutting

M. Touratier (Paris, France), F. Micari (Calabria, Italy)

Chair – F. Micari

11:15 – 11:45 INVITED LECTURE: THERMOMECHANICAL CUTTING MODEL DISCRETISATION: EULERIAN OR LAGRANGIAN, MESH OR MESHLESS?

F. Chinesta, P. Lorong, D. Ryckelynck, G. Coffignal, M. Touratier (Laboratoire de Mécanique des Systèmes et des Procédés ENSAM, Paris, France), M.A. Martinez, E. Cueto, M. Doblaré (University of Zaragoza , Spain)

11:45 – 12:05 NUMERICAL MODEL FOR CUTTING USING A GRADIENT DAMAGE MODEL AND ELEMENT EROSION

J.M.A. César de Sá, P.M.A. Areias, R.M. Natal Jorge (Universidade do Porto, Portugal)

12:05 – 12:25 SHEET METAL CUTTING SIMULATION BY CONTINUUM DAMAGE MECHANICS

K. Saanouni (Université de Technologie de Troyes, France), J.-F. Mariage (Université de Technologie de Troyes, France/ CETIM, Saint Etienne, France), A. Cherouat (Université de Technologie de Troyes, France)

12:25 – 12:45 HISTORY-DEPENDENT MATERIAL AND THE NATURAL ELEMENT MESHLESS METHOD. STUDY OF TWO APPROACHES IN FINITE TRANSFORMATIONS

P. Lorong, D. Ryckelynck, F. Chinesta (ENSAM, Paris, France)
11:25 – 13:05 ROOM E

Mini-symposium 15 - Computational Methods in Contact Mechanics

S. Cescotto (Liege, Belgium), P. Chabrand (Marseille, France), J. P. Ponthot (Liege, Belgium)

Chair – P. Chabrand

11:25 – 11:45 TWO ALGORITHMS TO IMPROVE THE NUMERICAL TREATMENT OF CONTACT

D. Chamoret (Ecole Nationale D'ingénieurs de Saint-Etienne/ ESI Software,Lyon, France), P. Saillard (ESI Software, Lyon, France), J.–M. Bergheau (Ecole Nationale D'ingénieurs de Saint-Etienne, France)

11:45 – 12:05 CONTACT ALGORITHM TO THE IMPLEMENTATION OF COMPLEX FRICTION LAWS IN A FINITE ELEMENT METHOD OF DISPLACEMENTS

M. Estrems, J.J. Hernández, F. Faura (Universidad Politécnica de Cartagena, Spain)

12:05 – 12:25 DIRICHLET-TYPE BOUNDARY CONDITIONS AND CONTACT PROBLEMS WITH FRICTION FOR LAGRANGIAN METHODS

P. Massin (EDF, Research and Development Division, Clamart, France)

12:25 – 12:45 AN EFFICIENT CONTACT SEARCH ALGORITHM

G. Kloosterman, A.H. van den Boogaard, J. Huetink (Netherlands Institute for Metals Research, University of Twente, Enschede, The Netherlands)

12:45 – 13:05 THE EFFECT OF ROLL ROUGHNESS ON THE COEFFICIENT OF FRICTION DURING COLD, FLAT ROLLING OF METALS

C.C. Sloat, J.G. Lenard (University of Waterloo, Waterloo, Canada)
13:00 – 14:00 Lunch
14:30 - 16:00 ROOM A

Mini-symposium 1 - Optimisation of Forming Processes

J. Kusiak (Krakow, Poland), L. Fourment (Sophia Antipolis, France), J.F.T. Pittman (Swansea, UK), J. Sienz (Swansea, UK)

Chair – J.F.T. Pittman

14:30 - 15:00 INVITED LECTURE: THE ADJOINT-STATE METHOD FOR SENSITIVITY ANALYSIS OF NON-STEADY PROBLEMS: APPLICATION TO 3D FORGING

M. Laroussi, L. Fourment (Ecole des Mines de Paris, CEMEF, Sophia Antipolis, France)

15:00 - 15:20 SENSITIVITY BASED OPTIMAL DESIGN OF METAL FORMING PROCESSES ACCOUNTING FOR SHAPE AND NON-SHAPE VARIABLES

H. Antunez, M. Kowalczyk (IPPT, Warsaw, Poland)

15:20 - 15:40 PRACTICAL CONSIDERATIONS REGARDING OPTIMISATION OF SHAPE IN FORMING PROCESSES

I. Grešovnik, T. Rodič (Centre for Computational Continuum Mechanics, Ljubljana, Slovenia)

15:40 - 16:00 DETERMINATION OF OPTIMAL BLANK SHAPE USING THE INITIAL VELOCITY OF BOUNDARY NODES

H.B. Shim, K.C. Son (Yeungnam University, Gyongsan, Korea)
14:30 – 15:40 ROOM B

Mini-symposium 3 - Numerical Methods and Tools for Testing Products of Industrial Casting

S. Kluska-Nawarecka (Kraków, Poland), M. Vrozina (Ostrava, Czech Republic), Z. Binder (Grenoble, France)

Chair – S. Kluska-Nawarecka

14:30 – 15:00 INVITED LECTURE: EXPLOITATION OF GENETIC ALGORITHMS FOR OPTIMIZATION OF PREVENTIVE MAINTENANCE OF CONTINUOUS STEEL CASTING DEVICE