The invention relates to the field of aerospace equipment, in particular to a high-lift-drag-ratio aerodynamic shape special-shaped cabin and a preparation method thereof. The special-shaped cabin body comprises a special-shaped cabin body I, the special-shaped cabin body I is formed by fusing a front-section cabin body and a rear-section cabin body, and each of the front-section cabin body and the rear-section cabin body is formed by fusing and connecting a plurality of groups of convex curved surfaces with positive curvature and a plurality of groups of concave curved surfaces with negative curvature; the convex curved surface with the positive curvature and the concave curved surface with the negative curvature are formed by fusing a plurality of groups of smooth arcs through spline interpolation; the method comprises the following steps: obtaining a three-dimensional model of a special-shaped cabin; performing gridding processing according to the three-dimensional model, and extracting a curved surface; performing data reconstruction on the curved surface to obtain a generation track of the curved surface; performing post-processing according to the generated track to obtain set parameters of the curved surface; automatic laying is carried out according to set parameters, and a high-quality special-shaped cabin is obtained; wherein the curved surface comprises a convex curved surface and a concave curved surface, and automatic laying is performed in a parallel reciprocating winding manner in an overlapping manner.
本申请涉及航天航空设备领域,尤其涉及一种高升阻比气动外型的异形舱体及其制备方法;所述异形舱体包括异形舱体I,异形舱体I由前段舱体和后段舱体两部分融接构成,前段舱体和后段舱体都由多组正曲率的凸型曲面和多组负曲率的凹型曲面融合连接构成,其中,正曲率的凸型曲面和负曲率的凹型曲面都由多组光滑的圆弧通过样条插补融合而成;所述方法包括:得到异形舱体的三维模型;根据三维模型进行网格化处理,提取出曲面;针对曲面进进行数据重构,得到曲面的生成轨迹;根据生成轨迹进行后处理,得到曲面的设定参数;根据设定参数进行自动铺放,得到高质量的异形舱体;其中,曲面包括凸曲面和凹曲面,自动铺放以平行往复缠绕的方式进行重叠铺放。
Special-shaped cabin with high lift-drag ratio aerodynamic shape and preparation method of special-shaped cabin
一种高升阻比气动外型的异形舱体及其制备方法
2022-11-01
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL |
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