The invention provides a supersonic civil aircraft low-sound-boom conceptual layout comprehensive design method, which comprises the following steps of taking low sound boom as a target, and adopting an inverse design method to carry out large-amplitude modification design on aircraft layout to obtain a first aircraft optimization configuration; an afterbody layout analytic design strategy is adopted, optimization design is carried out on the afterbody layout of the first aircraft optimization configuration, the afterbody layout is determined, and therefore a second aircraft optimization configuration is obtained; and adopting a parameterized near-field overpressure distribution method to carry out inverse design on the fuselage of the second aircraft optimization configuration, specifically carrying out shape modification design on the fuselage, so as to obtain a final aircraft low-sonic-boom configuration. According to the method, the rapid design problem of the low-sound-explosion concept layout of the supersonic civil aircraft can be solved, the supersonic civil aircraft concept layout with excellent low-sound-explosion and low-resistance characteristics can be efficiently designed with less computing resource consumption, and the low-sound-explosion and low-resistance performance of a large supersonic civil aircraft is well considered.
本发明提供一种超声速民机低声爆概念布局综合设计方法,包括以下步骤:以低声爆为目标,采用反设计方法对飞机布局开展大幅度修型设计,得到第一飞机优化构型;采用后体布局解析化设计策略,对所述第一飞机优化构型的后体布局开展优化设计,确定后体布局,从而得到第二飞机优化构型;采用参数化近场超压分布方法,对所述第二飞机优化构型的机身开展反设计,具体为对机身进行修型设计,从而得到最终的飞机低声爆构型。本发明可解决超声速民机低声爆概念布局的快速设计难题,能以较少的计算资源消耗,高效地设计出具有优秀低声爆低阻特性的超声速民机概念布局,良好地兼顾了大型超声速民机的低声爆和低阻性能。
Comprehensive design method for low-sonic-boom conceptual layout of supersonic civil aircraft
Patent
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