Dynamic load characteristics of an airport runway bridge during aircraft landing based on co-simulation

被引：0
|
作者：
Xianfeng M. [1 ,2 ]
Xingyan H. [3 ]
Hui J. [3 ]
Songhua W. [1 ,2 ]
Tiezhi C. [1 ,2 ]
Meng L. [3 ]
Yongxue S. [1 ,2 ]
机构：
[1] China Airport Planning and Design Institute Co. Ltd., Beijing
[2] Civil Aviation Airport Engineering Technology Research Center, Beijing
[3] School of Civil Engineering, Beijing Jiaotong University, Beijing
来源：
Zhendong yu Chongji/Journal of Vibration and Shock | 2024年 / 43卷 / 02期
关键词：
aircraft landing and taxiing simulation; aircraft-bridge coupling model; co-simulation; dynamic factor; dynamic load characteristic; runway bridge;
D O I：
10.13465/j.cnki.jvs.2024.02.012
中图分类号：
学科分类号：
摘要：
In order to study the influence of impact action on the dynamic responses of the airport bridge during aircraft landing and taxiing. Taking a runway bridge for the aircraft of class C as the research object and the Boeing 737-800 aircraft as an example, the technology of co-simulation based on a finite element software and a multi-body dynamics software was applied to the establishment of an aircraft-bridge coupling model. The whole process of aircraft landing and taxiing on the bridge with different landing attitudes was simulated finely. Based on verifying the accuracy of the aircraft-bridge coupling model, the influence degree and rule of the landing mass, sinking speed, pitch angle and roll angle on the bridge dynamic responses were systematically discussed and the distribution range of the bridge dynamic factor was defined. The results show that the dynamic factor of bridge is mainly between 1. 26 and 1. 62 under the impact action of aircraft landing. The dynamic factor of bridge increases with the increase of the landing mass, sinking speed and roll angle while decreases with the increase of the grounding speed and pitch angle. The sinking speed has the most obvious influence. When the sinking speed increases from 1. 00 m/s to 3. 05 m/s, the dynamic factor increases from 0. 98 to 1.87, an increase of 90%. The effect of dynamic load during aircraft landing and taxiing needs to be considered reasonably in the design of the runway bridge. © 2024 Chinese Vibration Engineering Society. All rights reserved.
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页码：105 / 113
页数：8
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