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CAGI: Computer Aided Grid Interface. A work in progressProgress realized in the development of a Computer Aided Grid Interface (CAGI) software system in integrating CAD/CAM geometric system output and/or Interactive Graphics Exchange Standard (IGES) files, geometry manipulations associated with grid generation, and robust grid generation methodologies is presented. CAGI is being developed in a modular fashion and will offer fast, efficient and economical response to geometry/grid preparation, allowing the ability to upgrade basic geometry in a step-by-step fashion interactively and under permanent visual control along with minimizing the differences between the actual hardware surface descriptions and corresponding numerical analog. The computer code GENIE is used as a basis. The Non-Uniform Rational B-Splines (NURBS) representation of sculptured surfaces is utilized for surface grid redistribution. The computer aided analysis system, PATRAN, is adapted as a CAD/CAM system. The progress realized in NURBS surface grid generation, the development of IGES transformer, and geometry adaption using PATRAN will be presented along with their applicability to grid generation associated with rocket propulsion applications.
Document ID
19920023058
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Soni, Bharat K.
(Mississippi Univ. for Women Columbus, MS, United States)
Yu, Tzu-Yi
(Mississippi Univ. for Women Columbus, MS, United States)
Vaughn, David
(Mississippi Univ. for Women Columbus, MS, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1992
Publication Information
Publication: NASA. Goddard Space Flight Center, Tenth Workshop for Computational Fluid Dynamic Applications in Rocket Propulsion, Part 1
Subject Category
Computer Programming And Software
Accession Number
92N32302
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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