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The Association of SIMULA Users announces

The 22nd Conference of the ASU:
        Object Oriented Modeling & Simulation

at

CLermont-Ferrand, FRANCE

on

July 15-17, 1996

The Conference Host is:         Laboratoire d'Informatique
                                Universite Blaise Pascal
                                F 63 177 Aubiere Cedex, France

        Person in charge;       Dr. Alain Tanguy


                        Phone   +33 73 40 50 16 / 73 40 74 36

                        Fax     +33 73 40 74 44

                        E-mail  asu@isima.fr
 tanguy@libd1.univ-dpclermont.fr

The Conference Language is English.


"Complex Systems" is a subject of much attention and discussion. However, the
step from general analysis and theory to practical design and manipulation of
real complex systems is very great. The only known way to accomplish this is
through the use of models. Models enable us to  p r e d i c t  and to
i n f l u e n c e  system behavior.

Not any model will do. Inadequate control signals to a complex dynamic system
will not control the system, but only disturb it, causing it to do unpredictable
things. This is the case if the control signals are derived from overly
simplified system models.

What is needed is "Requisite Variety Models"; i.e., all necessary details must
be modeled. If the system is dynamic then the model must be dynamic, if the
system includes active human beings then the model must model human beings, if
the system encompasses complex technology and information processing then so
must the model, and so on.

This conference deals with the tools of this trade. SIMULA is the most advanced,
most thoroughly tested and most stable and error-free means available for
programming advanced dynamic system models.

Complex systems in economics, business, manufacturing, logistics, ecology,
biology, medicine, mechanics, electronics, informatics, defense, traffic and
other fields require powerful modeling methods. Modeling examples from these
fields have been presented at previous ASU conferences.

Systems within systems characterize all complex systems. SIMULA's nesting of
quasi-parallel system models allows model builders to create object actors which
participate in complex dynamic interactions in a simulated environment. At the
same time an arbitrary number of these actors can host other on-going complex
simulations. Most other modeling languages do not allow this at all and none
offer the ease of programming and speed of execution that SIMULA does.

Evolution strategies for optimizing general random processes has been a standing
point on the conference agenda the past few years. It has proven to be a
very useful method for optimizing and adjusting parameters for the operation
of complex systems.

For anyone interested in being able to move freely between the realm of complex
system theory and the realm of application and testing, SIMULA is the tool to
learn and know. SIMple Universal LAnguage or SIMULAtion LAnguage, both are true.
Learning SIMULA will stand any scientist or engineer well in her/his
professional endeavors.


Call for Papers

Topics of Intrest:
                        Methodology & Object Oriented Modeling
                        Quasi-Parallel Systems & Model Nesting
                        Model Animation & Simulation
                        Dynamic Geometries
                        Distributed Simulation
                        Modeling & Program Environments
                        Simulation Applications
                        News on SIMULA Implementations & Ideas on SIMULA
                                                                Development
                        SIMULA & other OOP Languages

Papers are due now. Anyone wishing to submit a paper please contact
Dr. Alain Tanguy immediately.

The Program Committee:
                        E. Kindler,             Czech Republic
                        M. Badel,               France
                        M.Gourgand,             France
                        M. Schneider,           France
                        A. Tanguy,              France
                        K. Babcicky             Norway
                        H. Islo                 Sweden
                        M. Widmer               Switzerland
                        R. Pooley               United Kindom


About the ASU

The ASU is a professional organisation concerned with computerized modeling of
complex systems, as well as the design of complex software using the
object-oriented programming paradigm.

The SIMULA language is the first software tool to implement the object-oriented
paradigm. The first SIMULA standard was established in 1967 and it specifies
important and useful concepts which are still not implemented in other more
popular and more widely spread OOP languages. Examples are classes local to
procedures and local to other classes, coroutines and nested quasi-parallel
systems. The ASU started in 1974 as the SIMULA users' association for the then
rather new SIMULA Language. Many of the original members are now engaged in a
variety of modeling and software design work on a professional level in
engineering and research. The latest standard was released in 1987. It forms
the basis of some of the most advanced discrete event simulation models in
existence today. On going development work will result in yet a new standard
in the near future.



The ASU is a registered non-profit orginisation, seated at Stockholm Sweden.

ASU Secretariat Address:

        ASU
        c/o Henry E. Islo
        AF-Industriteknik AB
        Box 968
        S - 191 29 Sollentuna
        Sweden

        Phone   +46 8 657 15 00 reception
                        +46 8 657 15 10 direct
        Fax     +46 8 754 99 47
        E-mail  hio@intek.se

Conference registration:

Contact Alain Tanguy or the ASU Secretariat for registration forms and more
detailed information on travel and accommodations.