A new jig-shape optimization method for the high aspect ratio wing

作者：Yuan, Zhe^*; Huo, Shihui; Ren, Jianting

来源：Aircraft Engineering and Aerospace Technology, 2019, 91(1): 124-133.

DOI：10.1108/AEAT-01-2018-0073

• Aerodynamic distribution
• High aspect ratio wing
• Jig-shape optimization method
• Static aeroelasticity
• Structural deformation

Purpose Computational efficiency is always the major concern in aircraft design. The purpose of this research is to investigate an efficient jig-shape optimization design method. A new jig-shape optimization method is presented in the current study and its application on the high aspect ratio wing is discussed.
Design/methodology/approach First, the effects of bending and torsion on aerodynamic distribution were discussed. The effect of bending deformation was equivalent to the change of attack angle through a new equivalent method. The equivalent attack angle showed a linear dependence on the quadratic function of bending. Then, a new jig-shape optimization method taking integrated structural deformation into account was proposed. The method was realized by four substeps: object decomposition, optimization design, inversion and evaluation.
Findings After the new jig-shape optimization design, both aerodynamic distribution and structural configuration have satisfactory results. Meanwhile, the method takes both bending and torsion deformation into account.
Practical implications The new jig-shape optimization method can be well used for the high aspect ratio wing.
Originality/value The new method is an innovation based on the traditional single parameter design method. It is suitable for engineering application.

• 出版日期2019
• 单位西北工业大学