复合材料机匣 meaning in English
composite casing
Examples
- 3 , analyzing the stress field of the aero - engine case under the given loads , the fatigue life of the case is predicted through the presented fatigue model and the method of " nominal stress "
用该模型对孔径为5mm层合板的s ? n曲线进行疲劳寿命预测及试验验证。 3 、首次对某型发动机t300 kh - 304复合材料机匣的主铺层在给定工况下的疲劳寿命进行预测。 - 4 , using the finite element method , the buckling of the case is studied under the loads including the axial force torsion and pressure . the results will be benefit for aero - engine design in the future . the buckling characteristics of the two new kinds of composite ( t300 / kh - 304 and t300 / bmp - 316 ) is studied under the same boundary conditions sizes and plies , the anti - buckling ability of t300 / kh - 304 composite laminate is better than that of t300 / bmp - 316 composite plates
4 、首次用有限元法和圆柱壳体耦合理论分析了t300 bmp - 316复合材料机匣分别在轴向力、扭矩和内压等单独作用以及耦合作用下的屈曲特性，为进一步研究打下了基础；运用有限元法分析了t300 kh - 304和t300 bmp - 316两种复合材料层合板的屈曲特性，讨论了铺层方式、尺寸、位移边界条件等参数对屈曲特性的影响。 - Composite laminate shells have been applied more and more widely in aerospace structures . in order to increase thrust to weight ratio and improve the comprehensive performance of airplane , optimization design must be carried out . this thesis brings forward utilizing the method of aga - fem , which combines adaptive genetic algorithm ( aga ) and finite element method ( fem ) , to optimize fibre - reinforced composite shells
本文提出采用自适应遗传算法( adaptivegeneticalgorithm )和有限元方法( finiteelementmethod , fem )结合即aga - fem方法进行纤维增强型复合材料层合壳结构的优化设计，并对某航空发动机复合材料机匣进行优化设计分析，取得了很好的效果。