Abstract
NASA’s Numerical Aerodynamic Simulation (NAS) Program provides a leading-edge computational capability supporting aerospace research and development applications. The NAS facility, located at NASA’s Ames Research Center (ARC), provides supercomputing services to over 1000 researchers from NASA, the Department of Defense, the aerospace industry, and university sites across the United States. In addition to providing advanced computational resources, the NAS Program acts as a pathfinder in the development, integration and testing of new, highly advanced computer systems for computational fluid dynamics and related disciplines. In fulfilling this role, the Program acquired early serial number supercomputers and integrated them into a new system paradigm that stresses networking, interactive processing, and supercomputer-workstation connectivity within a single uniform UNIX® software environment. The NAS system is described; and its pioneering advances in supercomputing operating system and communication software, local and remote networking, scientific workstations, interactive graphics processing and user interfaces are highlighted. Finally, some results of the newly initiated applied research effort are presented.
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