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    题名: Optimization Analysis on the Crashworthiness of Light Aircrafts
    作者: Chen, Pu-Woei;Chen, Yung-Yun
    日期: 2015-08-15
    上传时间: 2016-01-06 11:00:26 (UTC+8)
    出版者: I G I Global
    摘要: To protect passengers, large aircraft are equipped with multiple mechanisms to absorb impact energy during a crash. However, light aircraft rely only on the cabin structure to withstand the compression and energy generated during a crash. This study performed a topology optimization analysis on the model structure by using Abaqus/optimization and used strain energy as the objective function and cabin volume as a constraint to develop the optimal model. Subsequently, this work performed dynamic crash simulations based on the optimal and original models by using Abaqus/explicit. Compared with the original model, the optimal model yielded a 12% increase in the safety zone of the diagonal beams, a 13% increase in the X-direction safety zone, and a 10% increase in the overall safety zone. The results confirm that topology optimization can be used to effectively improve the crashworthiness of light aircraft.
    關聯: International Journal of Manufacturing, Materials, and Mechanical Engineering 5(3), pp.1-22
    DOI: 10.4018/IJMMME.2015070101
    显示于类别:[航空太空工程學系暨研究所] 期刊論文

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