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Crashworthy airframe design concepts Fabrication and testing
| 题名： | Crashworthy airframe design concepts Fabrication and testing |
| 作者： | Cronkhite, J. D.; Berry, V. L. |
| 关键词： | ashworth；fabric；testin；design；concept；frame；sting；structure；cati；icat |
| 摘要： | Crashworthy floor concepts applicable to general aviation aircraft metal airframe structures were investigated. Initially several energy absorbing lower fuselage structure concepts were evaluated. Full scale floor sections representative of a twin engine, general aviation airplane lower fuselage structure were designed and fabricated. The floors featured an upper high strength platform with an energy absorbing, crushable structure underneath. Eighteen floors were fabricated that incorporated five different crushable subfloor concepts. The floors were then evaluated through static and dynamic testing. Computer programs NASTRAN and KRASH were used for the static and dynamic analysis of the floor section designs. Two twin engine airplane fuselages were modified to incorporate the most promising crashworthy floor sections for test evaluation. |
| 报告类型： | 科技报告 |
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