PRESIDENT
Professor Patrick Huerre
huerre@ladhyx.polytechnique.fr

SECRETARY GENERAL
Professor Bernhard A. Schrefler
CISM International Centre
for Mechanical Sciences
Palazzo del Torso
Piazza Garibaldi 18 - 33100 Udine
bas@dic.unipd.it

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List of EUROMECH Colloquia in 2002

  • [433] Dynamics of Trailing Vortices

    Date: 21 March 2002 - 22 March 2002 
    Location: Aachen, Germany
    Contact: Chairpersons:
    Prof. Wolfgang Schröder
    Aerodynamisches Institut, RWTH Aachen
    Wüllnerstr. zw. 5 u. 7, D-52062 Aachen, Germany
    E-mail: office@aia.rwth-aachen.de

    Prof. Dieter Jacob
    RWTH, Aachen, Germany

    Euromech contact person: Prof. Hans-H. Fernholz
    Information:
    The colloquium will focus on recent and current research and developments made in the area of dynamics of trailing vortices. Practical applications and fundamental analyses will be discussed. Contributions concerning the formation and merging of vortices, their motion and temporal behaviour, the interaction with various flow phenomena, such as jets and shocks, and atmospheric and ground effects are expected. Furthermore, studies addressing multidisciplinary topics are also welcome. The topics include the aero-acoustic noise generated by wing-tip vortices and flap side-edge vortices or vortex-structure interactions, and studies of fundamental mechanisms, such as vortex breakdown. Developments of numerical as well as theoretical methods and measurement techniques to investigate near and far field vortices and results obtained using various experimental tools, e.g. wind tunnel tests, flight tests, should be presented. Additionally, papers identifying the industrial requirements for prediction methods of trailing vortices should be submitted. Although it is expected that the majority of contributions will be directed at aircraft aerodynamics, papers dealing with trailing vortices in biofluid mechanics, building and vehicle aerodynamics are also desired.

  • [434] Contact Mechanics of Coated Bodies

    Date: 21 May 2002 - 23 May 2002 
    Location: Moscow, Russia
    Contact: Chairpersons:
    Prof. Viktor M. Alexandrov
    Institute for Problems in Mechanics, Russian Academy of Sciences
    Prospekt Vernadskogo 101, building 1,
    117526 Moscow, Russia
    E-mail: goryache@ipmnet.ru

    Prof. J. J. Kalker
    Delft University of Technology, The Netherlands

    Euromech contact person: Prof. Irina Goryacheva
    Information:
    The scope of the colloquium is to review current advances in the study of contact interaction, friction and fracture of bodies with coatings. Coated bodies are widely used in tribo-systems to decrease energy losses and to increase wear resistance. The different technologies used for coating implantation produce coatings with various mechanical and geometrical characteristics and different conditions at the interface. The stress field, temperature distribution and fracture of coated bodies depends essentially on the coating properties.
    Major Topics
    ● rolling/sliding contact of bodies coated by elastic, visco-elastic or plastic layers
    ● lubricant contact of coated bodies;
    ● effect of roughness in contact of coated bodies;
    ● contact interaction of bodies covered by inhomogeneous coatings and multilayers;
    ● wear contact problems for coated bodies;
    ● fracture of coated bodies;
    ● experimental study of contact, friction and fracture of coated bodies.

  • [435] Simulation of Friction and Wear in Metal Forming

    Date: 18 June 2002 - 20 June 2002 
    Location: Valenciennes, France
    Contact: Chairpersons:
    Prof. Jérôme Oudin
    Industrial and Human Automatic Control and Mechanical Engineering Le Mont Houy, University of Valenciennes
    F-59313 Valenciennes Cedex 9, France
    E-mail: euromech435@univ-valenciennes.fr

    Prof. Serge Cescotto
    University of Liege, Liege, France

    Euromech contact person: Prof. Jean Lemaitre
    Information:
    The success of forging processes can be enhanced by the use of reliable finite element simulations. On the one hand, mastering of contact algorithms is required to improve the finite element code accuracy. On the other hand, the bulk behavior laws of coatings and lubricants have to be identified in order to refine computations in the near contact zone. Therefore, specific methodologies – using experimental and numerical approaches – can be developed to quantify the friction and wear, and to optimize the forging process.
    The colloquium will consider specific simulations of forming processes with friction and contact conditions related to new experiments and testing apparatus. This includes:
    • the improvement of contact algorithms,
    • the numerical identification of bulk behaviour of lubricants and coatings,
    • the numerical characterisation of friction and wear.
    • influences of coating and lubrication on the success of the forming process.

  • [436] Waves in Microstructured Solids

    Date: 29 May 2002 - 1 June 2002 
    Location: Tallinn, Estonia
    Contact: Chairpersons:
    Prof. J. Engelbrecht
    Estonian Acad. Sci.,
    Kohtu 6, 10130 Tallinn, Estonia
    E-mail: je@ioc.ee

    Prof. G.A. Maugin
    University of Paris 6

    Euromech contact person: Prof. M. Okrouhlík
    Information:
    The colloquium will cover aspects of dynamics (wave propagation) in structured solid materials. It will focus on the mechanics and physics of media with microstructures of varied origin and non-linear effects related to or interacting with the microstructure. Particular attention will be paid to phase transition front propagation in crystalline substances, propagation of solitary waves in micro-structured media and the non-linear acousto-diagnostics of properties of such materials. Under discussion are shape-memory alloys, crystalline solids, inhomogeneous and micro-damaged materials. Theoretical, experimental and numerical studies will be considered. Discussion should lead to a better understanding of the physical phenomena which affect wave propagation in micro-structured solids and indicate effective methods for analysing these phenomena. The colloquium may be considered as a sequel to EUROMECH 348, 1996, and will reflect progress made since that meeting.

  • [437] Identification and Updating Methods of Mechanical Structures

    Date: 19 June 2002 - 21 June 2002 
    Location: Prague, Czech Republic
    Contact: Chairpersons:
    Ing. Jan Kozánek, PhD.
    Institute of Thermomechanics,
    Academy of Sciences of the Czech Republic
    Dolejškova 5, 182 00 Prague 8, Czech Republic
    E-mail: euromech.437@it.cas.cz, ec437@it.cas.cz

    Prof. Gerard Lallement
    Besançon, France

    Euromech contact person: M. Okrouhlík
    Information:
    Although identification methods found their origin in the last half century in aeronautics, at the present time they are necessary in many other fields such as machine-building or in civil engineering.
    The first idea was to create a mathematical model of the structure to be investigated (with respect to the coefficients in the equation of motion or with respect to the eigenparameters). The development of Finite Element Methods from both a theoretical and practical point of view increases the necessity to verify and improve these models. This is the reason why identification methods are now more oriented towards the eigenvalues and eigenvectors and their parameter sensitivities for use in updating processes.
    A simplified spectral and modal identification can also be used in the permanent regime in vibro-diagnostic methods for the maintenance of real structures during their life time.

  • [438] Constitutive Equations for Polymer Microcomposites:

    Date: 15 July 2002 - 17 July 2002 
    Location: Vienna, Austria
    Contact: Chairpersons:
    Dr. Ing. Al. Dorfmann, Ph.D., P.Eng.
    Institute of Structural Engineering
    Peter Jordan St. 82, 1190 Vienna, Austria
    E-mail: dorfmann@mail.boku.ac.at

    Prof. Drozdov Aleksey
    Institute for Industrial Mathematics, Israel

    Prof. R.W. Ogden
    Dept. of Mathematics, University of Glasgow, UK

    Euromech contact person: Prof. F.G. Rammerstorfer
    Information:
    In recent years, tremendous progress has been made in understanding relations between the chemical structures of polymer micro-composites on the one hand and their mechanical and physical properties on the other. However, most studies were published in specialised journals dealing with the chemistry and physics of macromolecules. The objective of the workshop is to gather specialists actively working in rather diverse areas of polymer science in order to exchange their knowledge and to formulate directions for further research. It is hoped
    (i) to discuss recent advances in the design of molecular models,
    (ii) to develop constitutive equations for the mechanical behavior of solid polymers based on various scenarios for deformation at the micro-level, and
    (iii) to compare results of numerical analysis with available experimental data and results of molecular dynamics simulation.

  • [439] Mathematical Modelling of the Dynamic Behaviour of Thin Elastic Structures

    Date: 24 July 2002 - 26 July 2002 
    Location: Saratov, Russia
    Contact: Chairpersons:
    Prof. Leonid Yu. Kossovich
    Astrachynskaya 83, Faculty of Mathematics and Mechanics
    Saratov State University
    410026 Saratov, Russia
    E-mail: KossovichLU@info.sgu.ru

    Prof. Julius D. Kaplunov
    University of Manchester, UK

    Dr. G.A. Rogerson
    University of Salford, UK

    Euromech contact person: Prof. Irina Goryacheva
    Information:
    The colloquium will discuss recent advances in the mathematical theory of thin elastic structures, including plates, rods, shells, thin coatings and interface layers. Such theories are very useful for space technology, submarine detection and many other high-tech domains. The colloquium topics involve vibration problems, transient waves and fluid-structure interaction. The validity of physical hypotheses underlying some well-known engineering schemes will be discussed. Modern trends dealing with the modeling of materials, involving the effects of anisotropy and/or pre-stress; and the analysis of high-frequency and short-wave phenomena will be of particular interest. Advanced mathematical approaches, in particular asymptotic methods characteristic of thin structures, will be well represented.

  • [440] Aerodynamics and Thermochemistry of High Speed Flows

    Date: 16 September 2002 - 19 September 2002 
    Location:
    Contact: Chairpersons:
    Dr. J.P.Dussauge
    IUSTI, Centre de Saint-Charles
    12, Av. Général Leclerc, 13003 Marseille, France
    E-mail: dussauge@iusti.univ-mrs.fr

    Prof. A. Chikhaoui
    IUSTI, Université de Provence, Marseille, France

    Euromech contact person: Prof. H.H. Fernholz
    Information:
    The scope of the meeting covers the scientific problems relevant to supersonic and hypersonic flight, in aeronautical situations and in various phases of atmospheric re-entry. Theoretical, computational modelling and experimental studies will be considered: original experimental work, CFD methods for equilibrium and non-equilibrium flows, including direct numerical simulations and models of compressible turbulence; novel experimental methods, with emphasis on optical diagnostics. The related fields in the applications involve drag reduction, laminar and turbulent flow control, determination of aerodynamic loads, design of heat shields etc.
    The aerodynamic aspects will focus on the properties of large-scale structures in situations of interest for aeronautics and aerospace. They will include compressible turbulence, laminar/turbulent transition, shock wave stability and shock interactions.
    The physico-chemical aspects will include real gas effects: relaxation, kinetics and transport phenomena, with particular attention to physico-chemical and radiative processes in compressed and expanded flows. Non equilibrium flows in external or internal aerodynamics will also be considered.

  • [444] Critical Review of the Theories of Plates and Shells and New Applications

    Date: 22 September 2002 - 25 September 2002 
    Location: Bremen, Germany
    Contact: Chairpersons:
    Prof. Dr.-Ing. R. Kienzler
    University of Bremen
    IW3, P.O. Box 330440,
    D-28334, Bremen, Germany
    E-mail: rkienzler@uni-bremen.de

    Prof. Dr.-Ing. H. Altenbach
    Martin Luther Universitaet,
    Halle-Wittenberg, Germany

    Euromech Contact Person: Prof. W. Schiehlen
    Information:
    The foundations of the theory of plates and shells have been developed using various completely different and, at first glance, independent approaches:
    a priori hypothesis concerning the states of stress and/or strain, kinematic assumptions, mathematical techniques (power series, asymptotic methods, special functions, etc.) and the so-called direct approach. Although all theories proposed have their origin in the underlying three-dimensional theory of continuum mechanics, a comprehensive assessment of the approaches and the balancing of advantages against disadvantages of a theory in consideration of new application fields is quite difficult.
    Several improvements have been suggested, with respect to new application fields. The use of composites yields a new branch of plate theory. Other developments are related to piezoelectric materials (sensors, activators), thermal loading conditions and plates made of foams. Based on the governing equations of the numerous theories, numerical methods (the finite element method, the finite difference method, the boundary element method) have been developed and applied to problems of practical importance in mechanical and civil engineering. In addition, experimental techniques have been matured to examine the theoretical predictions.
    The aim of the proposed EUROMECH Colloquium is to bring together specialists in the theory of plates and shells, to review the common origins of the different theories and approaches. The advantages and limits of the various concepts and the consequences for practical applications will be considered.
    A major part of the meeting, however, will be devoted to the challenges for plate and shell theories in new application fields, in particular inelastic material behaviour, damage, non-stationary thermal loading, non-mechanical effects and laminate structures.
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