
Numerical Simulation of Bird Body Impact Composite Laminate Based on SPH Method
YANG Zheng-xin, XU Shuo, DANG Peng-fei, GONG Bin
Numerical Simulation of Bird Body Impact Composite Laminate Based on SPH Method
Carbon fiber composites have excellent mechanical properties and are widely used in aerospace and other fields, but they are easily damaged by the impact of birds in flight, so it is of great significance to study the process of bird body impact composite laminates. In this study, the process of the impact of the carbon fiber composite laminate on the bird body was analyzed and studied based on the smooth particle hydrodynamics (SPH) method and the Ls-Dyna prepost display dynamics. Firstly, the Lagrangian model was used to establish the finite element model of carbon fiber composite laminates, and the SPH method was used to establish the bird body model. Secondly, the influence of different velocities and different attitude angles on the contact force and the energy dissipation of the laminate during the collision between the bird body and the laminate were considered. Finally, the influence of laminate on the energy absorption effect of bird strikes under different ply angles was analyzed. The results show that the peak contact force increases with the increase of the impact velocity. At a bird attitude angle of 60°, the laminate absorbs more kinetic energy. The laminate with a ply angle of [0/90/0/90/0/0/90/0/90] has the best impact resistance, and a reasonable ply angle can improve the energy absorption effect of the composite laminate.
1 |
黄朦,董杰,郭涛,等.聚酰亚胺纤维/碳纤维增强树脂基混杂复合材料低速冲击性能[J].纺织科学与工程学报,2022,39(3):1-6, 49.
|
2 |
童谣,剡小军,刘扬,等.层合板受鸟撞冲击过程的数值模拟[J].地震工程与工程振动,2019,39(6):27-31.
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 |
|
11 |
|
12 |
|
13 |
|
14 |
霍雨佳.鸟撞复合材料蜂窝夹芯平板动响应分析[J].航空材料学报,2021,41(6):81-88.
|
15 |
潘雄.纤维金属层板鸟撞动响应分析及应用研究[D].南京:南京航空航天大学, 2012.
|
16 |
|
17 |
|
18 |
刘军,李玉龙,刘元镛.基于SPH方法的叶片鸟撞数值模拟研究[J].振动与冲击,2008(9):90-93, 185.
|
19 |
|
20 |
龙思海,滕春明,张海东.基于abaqus的SPH算法鸟撞分析研究[J].教练机,2019(1):23-26.
|
21 |
|
22 |
|
23 |
|
24 |
|
25 |
|
26 |
朱广荣.大型民机结构动力学建模与适航验证分析技术研究[D].南京:南京航空航天大学,2017:7-8.
|
27 |
霍雨佳.复合材料蜂窝夹芯结构鸟撞损伤研究[D].天津:中国民航大学,2019.
|
/
〈 |
|
〉 |