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首页> 外文期刊>International Journal of Crashworthiness >Numerical simulation of aircraft interior components under crash loads
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Numerical simulation of aircraft interior components under crash loads

机译：碰撞载荷下飞机内部零件的数值模拟

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Aircraft interior components like overhead stowage compartments may be subjected to highly dynamic loads in case of turbulence or an emergency landing where the structural integrity of these lightweight components made of composite sandwich materials has to be maintained. Dynamic simulations of such overhead bins under crash loads were conducted in parallel with experimental full-scale testing to investigate the structural behaviour. The focus of these investigations is on modelling of the honeycomb sandwich materials, joints and baggage involved, which made testing on a coupon and component level necessary. Because the structural response of these overhead bins depends on a large number of parameters, uncertainty assessment methods were utilised for their characterisation. Despite the complexity of the models, a high level of correlation of simulation results and experimental data could be achieved making such numerical methods a useful tool for the development of cabin components for dynamic loads.
机译：在发生湍流或紧急着陆的情况下，飞机内部零件（如高架行李舱）可能承受高动态载荷，在这种情况下，必须保持这些由复合夹芯材料制成的轻型零件的结构完整性。在实验性满载测试的同时，还对这类高架垃圾箱在碰撞载荷下的动态模拟进行了研究，以研究其结构性能。这些研究的重点是对蜂窝夹层材料，接头和行李的建模，这使得必须在试样和组件水平上进行测试。由于这些高架垃圾箱的结构响应取决于大量参数，因此不确定性评估方法用于表征。尽管模型很复杂，但是仍可以实现仿真结果和实验数据的高度相关性，从而使这种数值方法成为开发动态载荷机舱组件的有用工具。

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