Optimization Analysis on the Crashworthiness of Light Aircrafts

淡江大學機構典藏 > 工學院 > 航空太空工程學系暨研究所 > 期刊論文 > Item 987654321/104506

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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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