Open Access
 Issue JNWPU Volume 41, Number 2, April 2023 329 - 337 https://doi.org/10.1051/jnwpu/20234120329 07 June 2023

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

## 1 变截面厚度蒙皮的优化原理模型

1) 机翼后缘的上、下缘翼型曲线可以近似等效成具有多个厚度和长度的悬臂梁模型；

2) 等效后的悬臂梁模型符合Timoshenko梁理论[12]；

3) 等效梁模型在弯曲过程中的变形处于弹性变形范围内。

 图13段变截面厚度上缘蒙皮原理示意图

 图2机翼后缘轮廓及曲率变化

7段变截面厚度上缘蒙皮的关键点位置  mm

## 2 变截面厚度机翼后缘蒙皮优化

 图3基于遗传算法的变截面厚度蒙皮联合优化流程图

### 2.1 变截面厚度上缘蒙皮的优化结果及分析

 图4机翼组成示意图

3~8段变截面厚度上缘蒙皮的厚度及弯矩优化结果

3~8段变截面厚度上缘蒙皮的长度优化结果

 图53~8段变截面上缘蒙皮变形效果
 图63~8段变截面上缘蒙皮的拟合误差

### 2.2 变截面厚度下缘蒙皮的优化结果及分析

 图73段变截面厚度下缘蒙皮原理示意图

3~8段变截面厚度下缘蒙皮的厚度及弯矩优化结果

3~8段变截面厚度下缘蒙皮的长度优化结果

 图83~8段变截面下缘蒙皮变形效果
 图93~8段变截面下缘蒙皮的拟合误差

## 3 变截面厚度蒙皮的叠层实验

 图10机翼后缘蒙皮叠层示意图
 图117段叠层式变截面厚度上缘蒙皮的误差分析
 图126段叠层式变截面厚度下缘蒙皮的误差分析

## References

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## All Tables

7段变截面厚度上缘蒙皮的关键点位置  mm

3~8段变截面厚度上缘蒙皮的厚度及弯矩优化结果

3~8段变截面厚度上缘蒙皮的长度优化结果

3~8段变截面厚度下缘蒙皮的厚度及弯矩优化结果

3~8段变截面厚度下缘蒙皮的长度优化结果

## All Figures

 图13段变截面厚度上缘蒙皮原理示意图 In the text
 图2机翼后缘轮廓及曲率变化 In the text
 图3基于遗传算法的变截面厚度蒙皮联合优化流程图 In the text
 图4机翼组成示意图 In the text
 图53~8段变截面上缘蒙皮变形效果 In the text
 图63~8段变截面上缘蒙皮的拟合误差 In the text
 图73段变截面厚度下缘蒙皮原理示意图 In the text
 图83~8段变截面下缘蒙皮变形效果 In the text
 图93~8段变截面下缘蒙皮的拟合误差 In the text
 图10机翼后缘蒙皮叠层示意图 In the text
 图117段叠层式变截面厚度上缘蒙皮的误差分析 In the text
 图126段叠层式变截面厚度下缘蒙皮的误差分析 In the text

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