A user-centered paradigm for interactive simulation
Article Abstract:
Computer software for modeling dynamic systems has existed for over three decades. During this period, computer modeling and simulation have been enhanced by powerful simulation languages, graphical modeling techniques, and statistical techniques. A recent trend in simulation software development has been the addition of many analysis tools to existing simulation languages. An examination of these tools indicates that they are predominantly independent of the application area for which the simulation language is designed, suggesting that a general library of simulation analysis tools should be created for use with several simulation languages. A user-centered approach to simulation software design provides an application-independent description of the model analyst's needs. This description is the basis for a general environment within which simulation languages and models may be implemented, and prevents the redundant coding of application-oriented simulation software. It improves on the traditional language-centered approach, which first describes a simulation system in terms of an application language, and considers the experimental interface as secondary. This paper motivates and describes the design of user-centered software for visual interactive simulation. (Reprinted by permission of the publisher)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1993
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A procedure for interactive simulation using mnemonic identifiers and index mapping functions
Article Abstract:
A method for interactive simulation of continuous systems using index mapping functions is presented. State variables, their differential forms and function outputs are represented by elements of a mnemonic set which constitute the building blocks in system modeling. Mapping functions are used to assign each mnemonic, a unique pointer to its value location, and also to translate user defined equations into index matrices. Outputs of functions pertaining to any specific problem domain can be easily mapped to the variable list. Procedural details are illustrated with examples of second order systems. (Reprinted by permission of the publisher.)
Publication Name: SIMULATION
Subject: Engineering and manufacturing industries
ISSN: 0037-5497
Year: 1990
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