The invention provides a wave rider optimization design method considering volume constraint, which comprises the following steps: step 1, generating a plurality of cone-derived wave rider lower surfaces in advance, and obtaining all initial populations; 2, parameterization design of the upper surface of the wave rider is carried out based on volume constraint; step 3, carrying out front edge passivation treatment on the wave rider; step 4, calculating aerodynamic characteristics of lift force, resistance and lift-drag ratio of the wave rider based on volume constraint; the calculation is calculation under a design working condition; and 5, evaluating each waverider by taking the lift-drag ratio as an optimization target. According to the method, parameterization is carried out on the upper surface of the waverider by adopting the CST parameterization curve, the aim of considering fuselage engineering load size constraint in the waverider optimization process is achieved, the practical lift-drag ratio of waverider aircrafts can be further improved, and an effective design method is provided for engineering application of the waverider aircrafts.
本发明提出了一种考虑容积约束的乘波体优化设计方法,包括以下步骤:步骤一、预先生成多个锥导乘波体下表面,获得全部初始种群;步骤二、基于容积约束进行乘波体上表面参数化设计;步骤三、对乘波体进行前缘钝化处理;步骤四、基于容积约束的乘波体的升力、阻力和升阻比气动特性计算;该计算为设计工况下计算;步骤五、以升阻比为优化目标评估每个乘波体。本发明采用CST参数化曲线对乘波体上表面进行参数化,实现了可以在乘波体优化过程中考虑了机身工程载荷尺寸约束的目标,可以进一步提升乘波类飞行器的实用升阻比,为乘波类飞行器的工程化应用提供一种有效的设计方法。
Wave rider optimization design method considering volume constraint
一种考虑容积约束的乘波体优化设计方法
2024-12-27
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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