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Survey of NASA research on crash dynamics
| 题名： | Survey of NASA research on crash dynamics |
| 作者： | Thomson, R. G.; Carden, H. D.; Hayduk, R. J. |
| 关键词： | dynamics；research；nasa；cras；rash；administration；correlation；designer；velociti；locator |
| 摘要： | Ten years of structural crash dynamics research activities conducted on general aviation aircraft by the National Aeronautics and Space Administration (NASA) are described. Thirty-two full-scale crash tests were performed at Langley Research Center, and pertinent data on airframe and seat behavior were obtained. Concurrent with the experimental program, analytical methods were developed to help predict structural behavior during impact. The effects of flight parameters at impact on cabin deceleration pulses at the seat occupant interface, experimental and analytical correlation of data on load-limiting subfloor and seat configurations, airplane section test results for computer modeling validation, and data from emergency-locator-transmitter (ELT) investigations to determine probable cause of false alarms and nonactivations are assessed. Computer programs which provide designers with analytical methods for predicting accelerations, velocities, and displacements of collapsing structures are also discussed. |
| 报告类型： | 科技报告 |
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