Scalable hardbody and plume optical signatures

Dennis R. Crow; Fred Hawes; Matthew Braunstein; Charles F. Coker; Thomas Smith Jr.

doi:10.1117/12.548993

4 August 2004 Scalable hardbody and plume optical signatures

Dennis R. Crow, Fred Hawes, Matthew Braunstein, Charles F. Coker, Thomas Smith Jr.

Proceedings Volume 5408, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing IX; (2004) https://doi.org/10.1117/12.548993
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

The Fast Line-of-sight Imagery for Target and Exhaust Signatures (FLITES) is a High Performance Computing (HPC-CHSSI) and Missile Defense Agency (MDA) funded effort that provides a scalable program to compute highly resolved temporal, spatial, and spectral hardbody and plume optical signatures. Distributed processing capabilities are included to allow complex, high fidelity, solutions to be generated quickly generated. The distributed processing logic includes automated load balancing algorithms to facilitate scalability using large numbers of processors. To enhance exhaust plume optical signature capabilities, FLITES employs two different radiance transport algorithms. The first algorithm is the traditional Curtis-Godson bandmodel approach and is provided to support comparisons to historical results and high-frame rate production requirements. The second algorithm is the Quasi Bandmodel Line-by-line (QBL) approach, which uses randomly placed "cloned" spectral lines to yield highly resolved radiation spectra for increased accuracy while maintaining tractable runtimes. This capability will provide a significant advancement over the traditional SPURC/SIRRM radiance transport methodology.

Citation Download Citation

Dennis R. Crow, Fred Hawes, Matthew Braunstein, Charles F. Coker, and Thomas Smith Jr. "Scalable hardbody and plume optical signatures", Proc. SPIE 5408, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing IX, (4 August 2004); https://doi.org/10.1117/12.548993

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