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PARAMETRIC WEIGHT EVALUATION OF JOINED WINGS BY STRUCTURAL OPTIMIZATION

被引：10
|
作者：
MIURA, H
SHYU, AT
WOLKOVITCH, J
机构：
[1] NASA Ames Research Cent, United States
来源：
JOURNAL OF AIRCRAFT | 1988年 / 25卷 / 12期
关键词：
Aircraft--Wings - Mathematical Techniques--Finite Element Method - Structural Design--Optimization;
D O I：
10.2514/3.45714
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Joined-wing aircraft employ tandem wings having positive and negative sweep and dihedral, arranged to form diamond shapes in both plan and front views. An optimization method was applied to study the effects of joined-wing geometry parameters on structural weight. The lightest wings were obtained by increasing dihedral and taper ratio, decreasing sweep and span, increasing fraction of airfoil chord occupied by structural box, and locating the joint inboard of the front wing tip.
引用
收藏
页码：1142 / 1149
页数：8
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