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Flow visualization of CFD using graphics workstationsHigh performance graphics workstations are used to visualize the fluid flow dynamics obtained from supercomputer solutions of computational fluid dynamic programs. The visualizations can be done independently on the workstation or while the workstation is connected to the supercomputer in a distributed computing mode. In the distributed mode, the supercomputer interactively performs the computationally intensive graphics rendering tasks while the workstation performs the viewing tasks. A major advantage of the workstations is that the viewers can interactively change their viewing position while watching the dynamics of the flow fields. An overview of the computer hardware and software required to create these displays is presented. For complex scenes the workstation cannot create the displays fast enough for good motion analysis. For these cases, the animation sequences are recorded on video tape or 16 mm film a frame at a time and played back at the desired speed. The additional software and hardware required to create these video tapes or 16 mm movies are also described. Photographs illustrating current visualization techniques are discussed. Examples of the use of the workstations for flow visualization through animation are available on video tape.
Document ID
19870054849
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lasinski, Thomas
(NASA Ames Research Center Moffett Field, CA, United States)
Buning, Pieter
(NASA Ames Research Center Moffett Field, CA, United States)
Choi, Diana
(NASA Ames Research Center Moffett Field, CA, United States)
Rogers, Stuart
(NASA Ames Research Center Moffett Field, CA, United States)
Bancroft, Gordon
(Sterling Software Moffett Field, CA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1987
Subject Category
Computer Programming And Software
Report/Patent Number
AIAA PAPER 87-1180
Accession Number
87A42123
Distribution Limits
Public
Copyright
Other

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