复合材料铺层角度对大展弦比机翼非线性气动弹性影响研究

doi:10.19936/j.cnki.2096-8000.20210528.002

复合材料科学与工程 ›› 2021, Vol. 0 ›› Issue (5): 12-20.DOI: 10.19936/j.cnki.2096-8000.20210528.002

复合材料铺层角度对大展弦比机翼非线性气动弹性影响研究

王军利^1,2, 李庆庆¹, 陆正午¹, 雷帅¹, 李托雷¹, 沈楠¹

1.陕西理工大学机械工程学院,汉中723001;
2.陕西省工业自动化重点实验室,汉中723001

收稿日期:2020-08-31 出版日期:2021-05-28 发布日期:2021-08-04
作者简介:王军利(1977-),男,博士,副教授,研究方向为机械振动及气动弹性,wjl503@126.com。
基金资助:
陕西省科学技术厅重点项目(2017ZDXM-GY-138);陕西省自然科学研究项目(2020JM-600);陕西省教育厅科研项目(19JK0172);陕西省工业自动化重点实验室开放课题(SLGPT2019KF01-13)

RESEARCH ON THE EFFECT OF COMPOSITE PLY ANGLE ON NONLINEAR AEROELASTICITY OF HIGH-ASPECT-RATIO WING

WANG Jun-li^1,2, LI Qing-qing¹, LU Zheng-wu¹, LEI Shuai¹, LI Tuo-lei¹, SHEN Nan¹

1. Mechanical Engineering College, Shaanxi University of Technology, Hanzhong 723001, China;
2. Shaanxi Key Laboratory of Industrial Automation, Hanzhong 723001, China

Received:2020-08-31 Online:2021-05-28 Published:2021-08-04

摘要/Abstract

摘要： 为了减轻重量和提高升阻比,现代飞行器结构普遍采用大展弦比布局,并且轻质复合材料在飞行器结构中的使用占比也越来越高。为了研究复合材料铺层角度对大展弦比机翼纵向气动特性及非线性气动弹性的影响,首先以机翼结构的弹性变形为优化目标,以结构强度为约束条件,采用Screening方法对大展弦比复合材料机翼蒙皮的铺层角度进行优化,优化后机翼的刚度明显增强。然后基于松耦合的双向流固耦合数值计算方法,对大展弦比机翼非线性气动弹性及流场进行优化前后的数值模拟,分析了复合材料铺层角度对大展弦比机翼非线性气动弹性变形及纵向气动特性的影响。

关键词: 大展弦比复合材料机翼, 铺层角度优化, 双向流固耦合, 纵向气动特性

Abstract: In order to reduce weight and increase the lift-to-drag ratio, modern aircraft structures generally adopt high-aspect-ratio layout, and the proportion of lightweight composite materials in the aircraft structure is also increasing. In order to study the effect of composite layering angle on the nonlinear aeroelasticity and longitudinal aerodynamic characteristics of high-aspect-ratio wing, the structural deformation of the wing is selected as the optimization goal, and the structural strength is used as the constraint. The screening method was used to optimize the lay angle of the skin of the composite high-aspect-ratio wing. After optimization, the stiffness of the wing is significantly enhanced. Then, based on the loosely coupled two-way fluid-structure coupling numerical simulation method, the nonlinear aeroelasticity and flow field of the high-aspect-ratio wing before and after optimization are numerically simulated, and the effect of the composite layering angle on the nonlinear aerodynamics of the high-aspect-ratio wing is analyzed. The influence of elastic deformation and longitudinal aerodynamic characteristics is analyzed.

Key words: high-aspect-ratio wing, optimized layer angle, two-way fluid-structure coupling, longitudinal aerodynamic characteristics

中图分类号:

TB332

王军利, 李庆庆, 陆正午, 雷帅, 李托雷, 沈楠. 复合材料铺层角度对大展弦比机翼非线性气动弹性影响研究[J]. 复合材料科学与工程, 2021, 0(5): 12-20.

WANG Jun-li, LI Qing-qing, LU Zheng-wu, LEI Shuai, LI Tuo-lei, SHEN Nan. RESEARCH ON THE EFFECT OF COMPOSITE PLY ANGLE ON NONLINEAR AEROELASTICITY OF HIGH-ASPECT-RATIO WING[J]. COMPOSITES SCIENCE AND ENGINEERING, 2021, 0(5): 12-20.

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复合材料铺层角度对大展弦比机翼非线性气动弹性影响研究

RESEARCH ON THE EFFECT OF COMPOSITE PLY ANGLE ON NONLINEAR AEROELASTICITY OF HIGH-ASPECT-RATIO WING

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