Ames Research center in Mountain View ("The Blue Cube") is the worlds most powerful center for computational research in fluid dynamics. A major project at Ames is modelling on a Cray 2 for the National Aerospace Plane. They aim (mild pun) to develop the technology necessary for a vehicle to operate from conventional airports, capable of mach 25 speed and of reaching low earth orbit.
The director of the center says that this modelling will require " all the computational resources the country has...". The center now uses 3 Cray supercomputers and plans to retire the oldest of these ( not a Cray, as I recall) when new hardware is purchased this year.
Sounds to me like NASA is bent on repeating past mistakes and has no intention of investigating cost-effective practical methods of orbital delivery. Maybe the startling recent progress in superconductor research will make some waves here, but I woudn't bet on it.
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