Reducing the validation bottleneck with a knowledge-based, distributed simulation environment

Bernard P. Zeigler, Jerzy W. Rozenblit, Eric R. Christensen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


This paper reviews the concepts of a theory of modelling and simulation that relate to the validation enterprise. The theory provides a vocabulary, concepts, and mathematically rigorous tools with which to tackle problems in simulation model validation. We have implemented a hierarchical, distributed, object-oriented, and knowledge-based modelling and simulation environment in Ada. The environment, DEVS-Ada, provides portability, a standard model specification language, the means to manage a model repository, the ability to reuse models, and distributed simulation. We show how DEVS-Ada can exploit the parallelism intrinsic in the multiple execution of simultaneous experiments required for model validation. Faster execution of such a computationally intensive process reduces the bottleneck that validation imposes in the model development process and enables greater confidence to be achieved in the results. We also discuss the desirability of a more global view of validation which requires parallel symbolic analysis of a newly created model relative to existing models in a model base.

Original languageEnglish (US)
Pages (from-to)329-342
Number of pages14
JournalExpert Systems With Applications
Issue number3
StatePublished - 1991

ASJC Scopus subject areas

  • Engineering(all)
  • Computer Science Applications
  • Artificial Intelligence


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