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Experimental Verification of Program KRASH-A Mathematical Model for General Aviation Structural Crash Dynamics
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Abstract
The results of four fully instrumented, full-scale crash tests involving a single-engine, high-wing light airplane are described herein. The tests were performed under a contract sponsored by the Federal Aviation Administration. The range of impact conditions included initial airplane roll and/or yaw, a nose-down attitude, a flared nose-up attitude and impacts onto a rigid (concrete) and a flexible (soil) surface. Photographs are presented showing the impact conditions, as well as some typical postcrash damage. The crash test models, analyzed using digital computer program KRASH, are described. Typical analysis versus test correlation results as well as a summary correlation for all four crash tests are presented. The application of Program KRASH to assess structural design concepts with regard to crash dynamics characteristics is briefly described.
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Citation
Wittlin, G., Ahrens, D., and Bloedel, A., "Experimental Verification of Program KRASH-A Mathematical Model for General Aviation Structural Crash Dynamics," SAE Technical Paper 790589, 1979, https://doi.org/10.4271/790589.Also In
References
- Wittlin G. Gamon M.A. “A Method of Analysis for General Aviation Airplane Structural Crashworthiness,” Lockheed-California Company U.S. Dept. of Transportation, Federal Aviation Adminstration, Systems Research and Development Service Washington, D.C. September 1976
- Wittlin G. Gamon M.A. “Experimental Program for the Development of Improved Helicopter Structural Crashworthiness Analytical and Design Techniques,” Lockheed-California Company; U.S. Army Air Mobility Research and Development Laboratory Ft. Eustis, Va. May 1973
- Wittlin G. Park K.C. “Development and Experimental Verification of Procedures to Determine Nonlinear Load-Deflection Characteristics of Helicopter Substructures Subjected to Crash Forces,” U.S. Army Air Mobility Research and Development Laboratory Ft. Eustis, Va. May 1974
- Wittlin G. “Development, Experimental Verification and Application of Program KRASH for General Aviation Structural Crash Dynamics,” U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Washington, D.C. February 1979
- Wittlin G. Gamon M.A. LaBarge W.L. “Full Scale Crash Test Experimental Verification of a Method of Analysis for General Aviation Airplane Structural Crashworthiness,” Lockheed-California Company U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Washington, D.C. February 1978
- Vaughan, V. Jr. Alfaro Bou E. “Impact Dynamics Research Facility for Full Scale Aircraft Crash Testing,” April 1976
- Cronkhite J.D. Winter R.D. Singley G.T. III “Investigation of the Crash Impact Characteristics of Composite Airframe Structures,” 34th Annual Forum of the American Helicopter Society Washington, D.C. May 1978
- Laananen D.H. “Development of a Scientific Basis for Analysis of Aircraft Seating Systems,” U.S. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Services Washington, D.C. 1975