Open Access
表2
优化模型
| 设计目标/设计变量/设计约束 | 函数描述 | 数量 | |
| minimize | λ1×∑ wi CDi+λ2×M, i=A, B, C | 学科目标函数加权和 | 1 |
| with respect to | Zwing | FFD控制点的Z向位移 | 300 |
| φwing | 机翼几何扭转角 | 10 | |
| φtail | 平尾扭转角 | 1 | |
| αi, i=A, B, C | 来流迎角 | 3 | |
| Twing | 各部件有限单元厚度 | 1 144 | |
| subject to | Tj≥Tj0, j=1, 2, …, 250 | 机翼厚度约束 | 250 |
| ΔZLE/TE, upper=-ΔZLE/TE, lower | 机翼前后缘约束 | 20 | |
| CLi=0.48, i=A, B, C | 定升力系数 | 3 | |
| CMy, B=0 | 巡航状态力矩配平约束 | 1 | |
| |CD, C-CD, B|≤19 counts | 阻力发散约束 | 1 | |
| 2.5 KSi, ribs≤1.0 | 翼肋结构屈服强度约束 | 3 | |
| 2.5 KSi, spars≤1.0 | 翼梁结构屈服强度约束 | 3 | |
| 2.5 KSi, stringers & skins≤1.0 | 桁条和蒙皮结构屈服强度约束 | 3 | |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.