Actions for A knowledge-based approach to automated flow-field zoning for computational fluid dynamics

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A knowledge-based approach to automated flow-field zoning for computational fluid dynamics

Author
Vogel, Alison Andrews
Published
Apr 1, 1989.
Physical Description
1 electronic document
Online Version

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Summary
An automated three-dimensional zonal grid generation capability for computational fluid dynamics is shown through the development of a demonstration computer program capable of automatically zoning the flow field of representative two-dimensional (2-D) aerodynamic configurations. The applicability of a knowledge-based programming approach to the domain of flow-field zoning is examined. Several aspects of flow-field zoning make the application of knowledge-based techniques challenging: the need for perceptual information, the role of individual bias in the design and evaluation of zonings, and the fact that the zoning process is modeled as a constructive, design-type task (for which there are relatively few examples of successful knowledge-based systems in any domain). Engineering solutions to the problems arising from these aspects are developed, and a demonstration system is implemented which can design, generate, and output flow-field zonings for representative 2-D aerodynamic configurations.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19900003732.
Accession ID: 90N13048.
NASA-TM-101072.
A-89044.
NAS 1.15:101072.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15688257