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         International Union of Theoretical and Applied Mechanics (IUTAM)
        International Association for Shell and Spatial Structures (IASS)

                    Symposium on Deployable Structures:
                           Theory and Applications
                             6-9 September, 1998
                               Cambridge, U.K.


                             SCOPE OF THE SYMPOSIUM

                             Deployable structures
                             technologies are used for
                             booms, solar arrays, and
                             antennas on spacecraft; for
                             portable shelters and
                             retractable roofs; and for
                             kinetic sculptures, toys, and
                             exhibition displays. Often
                             these technologies have been
                             developed by trial and error
                             and for a specific application,
                             but the current growing demand
                             for deployable structures
                             requires a new approach. Thus,
                             there is a need to develop new,
                             generic solutions and to
                             understand better the
                             underlying principles of the
                             solutions that already exist.
                             Among the general results that
                             have already been established
                             are folding conditions for
                             two-dimensional and
                             three-dimensional structures
                             with "scissors" joints,
                             packaging conditions for thin
                             membranes, computational tools
                             to identify singular
                             configurations (kinematic
                             bifurcations) along a
                             deployment path, shape
                             optimisation methods for
                             variable geometry trusses.
                             Recent advances in the
                             computational modelling of
                             multi-body systems have led to
                             more accurate simulations of
                             the folding and unfolding
                             processes, and more detailed
                             experimental work is being
                             carried out to examine the
                             accuracy of these simulations.
                             New opportunities exist for
                             designing special,
                             geometrically bi-stable
                             structures using composite
                             materials.
                             Deployable structures is a
                             cross-disciplinary field, but
                             so far contacts between
                             different disciplines have been
                             limited. The broad aim of this
                             meeting is to promote a greater
                             interaction between inventors,
                             engineers, mathematicians,
                             architects and others who are
                             interested in this growing
                             field. More specific objectives
                             are:
                             o To review deployable
                             structures concepts, including
                             folding and deployment
                             principles.
                             o To investigate the mechanics
                             of folding and deployment using
                             theoretical, computational and
                             experimental approaches.
                             o To examine the performance of
                             the simulation tools currently
                             used in industry.
                             o To identify open problems and
                             areas where new
                             inter-disciplinary
                             collaborations can lead to
                             significant advances.

   PARTICIPATION

   All interested persons
   are invited to return
   the pre-registration
   form attached as soon
   as possible. An
   extended abstract of
   any proposed
   communication will be
   requested at a later
   stage, for
   consideration by the
   Scientific Committee.
   Limited funds are
   available to provide
   partial support for
   those participants who
   cannot obtain             DEADLINES
   reimbursement of their
   expenses from other                   Return of
   sources. Applications     15 July     pre-registration
   will be considered by     1997        form
   the Scientific
   Committee during the      15 November Submission of
   Symposium.                1997        abstracts
                             15 March    Notification of
   LANGUAGE                  1998        Authors
                             15 June
   The recommended           1998        Registration
   language of the
   Symposium is English.     6 September Full paper
                             1998
   VENUE
                             SCIENTIFIC COMMITTEE
   Technical sessions
   will be held in the       C.R. Calladine (UK)
   Department of             L.B. Freund (USA)
   Engineering,              M. Geradin (Belgium)
   University of             Y. Hangai (Japan)
   Cambridge. Reasonably     K. Kawata (Japan)
   priced accommodation      B. Kroplin (Germany)
   will be arranged at       S.J. Medwadowski (USA)
   Corpus Christi            M.M. Mikulas (USA)
   College, which is         S. Pellegrino (UK, Chairman)
   within walking            F.P.J. Rimrott (Canada)
   distance of the           A. Samartin Quiroga (Spain)
   Department of             T. Tarnai (Hungary)
   Engineering and of the
   centre of town.           LOCAL ORGANISING COMMITTEE
   Participants who
   require a higher          S. Pellegrino (Chairman)
   standard of               S.D. Guest (Secretary)
   accommodation will be     C.R. Calladine
   sent details about        M.D. Macleod
   hotels near the           Z. You
   Department of
   Engineering.              CORRESPONDENCE

   FINAL PROGRAM             Dr S. Pellegrino
                             IUTAM-IASS Symposium
   The final program of      Department of Engineering
   the Symposium will be     University of Cambridge
   circulated to             Trumpington Street
   prospective               Cambridge, CB2 1PZ
   participants nearer to    UK
   the time of the           Fax +44-1223-332662
   Symposium. The            e-mail:
   registration fee is       iutam-symposium@eng.cam.ac.uk
   expected to be in the
   region of �200,
   inclusive of lunches
   and conference dinner.
   Accompanying persons
   will be welcome to
   join in the social
   programme, and will be
   charged a reduced fee.

   PROCEEDINGS

   A volume of refereed
   proceedings of the
   Symposium will be
   published by Kluwer
   Academic Publishers
   after the Symposium.

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                                 IUTAM-IASS
                    Symposium on Deployable Structures:
                           Theory and Applications
                             6-9 September, 1998
                               Cambridge, U.K.

                            Pre-registration form
                    (Please return before 15 July 1997)

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International Union of Theoretical and Applied Mechanics
International Association for Shell and Spatial Structures
Symposium on Deployable Structures: Theory and Applications