The present invention discloses a multiple-searching technology based three-dimensional wave-rider rapid design method. The multiple-searching technology based three-dimensional wave-rider rapid design method comprises the following steps of: (1) determining a three-dimensional flow field; (2) determining a shock wave curved surface, and fitting a leading edge curve; and (3) performing streamline tracing by adopting a multiple-searching technology to generate a wave-rider lower surface, and automatically acquiring a wave-rider outline with a given length by performing scaling adjustment on a shock wave outlet shape line at the same time. The multiple-searching technology based three-dimensional wave-rider rapid design method has the following beneficial effects: (1) the condition that the existing design method is limited to a two-dimensional or quasi two-dimensional flow field is broken through, and a shock fitting method is used for accurately computing the three-dimensional flow field and accurately distinguishing the shock wave curved surface; (2) in order to solve the problem of mass data point addressing in a three-dimensional wave-rider design, data are divided into multiple subareas by use of an octree, and the point addressing efficiency strength can be greatly improved by combining a virtual boundary method; and (3) the three-dimensional flow field based on the shock fitting method expands the design space, and is combined with a multiple-searching based streamline tracing method to greatly improve the tracing efficiency and meet rapid design requirements of aircraft layout.
Multiple-searching technology based three-dimensional wave-rider rapid design method
2015-11-18
Patent
Electronic Resource
English
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 |
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