Jahau Lewis Chen, Prabhat Hajela

Research output: Contribution to conferencePaper

1 Citation (Scopus)


The present paper describes preliminary efforts in the development of a consultative expert system OPDEM (Optimum Design Modeling) for optimum structural design modeling. The OPDEM system is a module in a larger knowledge based expert system OPSYN (Optimum Synthesis), that is primarily intended as an online consultant for the optimum design of mechanical and structural systems. The knowledge base for this system includes rules for the formulation of an optimum design model from a more refined analysis model of the structure. It additionally contains rules for dimensionality reduction by recourse to design variable linking and efficient constraint representations. The principal focus of the effort resides in the formulation of efficient design models, with due consideration of the tradeoff between accuracy and the resulting computational effort.

Original languageEnglish
Number of pages16
Publication statusPublished - 1987 Jan 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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