National Aeronautics and Space Administration
Small Business Innovation Research 2002 Program Solicitations

CHAPTER 9.2

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Topic 2: Atmospheric Flight Operations
NASA Installation: Dryden Flight Research Center (DFRC)

Accurate simulation of aerospace vehicles’ flight characteristics is of great importance for both initial design and subsequent flight-testing. This topic focuses on R&D for multi-disciplinary modeling and simulation and for development of efficient software tools for aero-structures-controls-propulsion interaction simulation of flight vehicles. The benefit of this effort lies in ensuring flight safety, particularly during flight tests.

This topic solicits proposals for innovative, linear or non-linear, aerospace vehicles’ dynamic systems modeling and simulation techniques. In particular:

R&D in finite element based numerical simulation algorithms in computational fluid dynamics (CFD), structures, heat transfer and propulsion disciplines, among others: In particular, emphasis is placed in the development and application of state-of-the-art, novel, and computationally efficient solution schemes that enable effective simulation of complex practical problems such as modern flight vehicles like X-43 and F-18-AAW as well as more routine problems encountered in recurring atmospheric flight testing on a regular daily basis. Furthermore, the effective use of high-performance computing equipment and computer graphics development is also considered as an important part of this topic.

Aeroelasticity and aeroservoelasticity, linear and non-linear: Vehicle stability analysis is an important aspect of this topic. Primary concern is with the development and application of novel, multidisciplinary interaction simulation software and correlation of such analysis results with flight test data.


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