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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2008, Vol. 29 ›› Issue (5): 1364-1369.
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Song Qiuzhi,Ma Ziling,Wang Jianzhong
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Abstract: A method of generating blending surface with long fringe between wing and fuselage of a missile is presented. The blending surface consists of a blending surface between wing and fuselage, a long fringe surface and a forward 3-sided surface which are G-1 smoothly connected. An auxiliary surface and an auxiliary base surface are generated in advanced. The blending surface between wing and fuselage is generated by a linear combination of a reparameterized local base surface on the wing and an auxiliary based surface. The directions of cross boundary derivatives of the auxiliary surface at the common boundary between the auxiliary surface and the long fringe surface are the same as the lengthways directions of the missile’s body. And this ensures that the blending surface between wing and fuselage and the long fringe surface are G-1 connected. Then the forward 3-sided surface is generated based on energy minimization and is G-1 continuous contact with the missile’s body and the long fringe surface.
Key words: blending curve, blending surface, long fringe, reparameterized local base surface
CLC Number:
V260.5
Song Qiuzhi;Ma Ziling;Wang Jianzhong. Generating Blending Surface with Long Fringe Between Wing and Fuselage of Missile[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2008, 29(5): 1364-1369.
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