飞机结构静强度试验虚拟装配与干涉检查技术

万春华; 于哲峰; 吴存利; 聂小华; 常亮

doi:10.13433/j.cnki.1003-8728.20220216

飞机结构静强度试验虚拟装配与干涉检查技术

doi: 10.13433/j.cnki.1003-8728.20220216

1.
中国飞机强度研究所，西安　710065
2.
上海交通大学航空航天学院，上海　200240

基金项目: 民用飞机专项科研项目（MJZ3-2N21）

详细信息

作者简介:
万春华（1983−），硕士研究生，研究方向为飞机结构强度分析及虚拟仿真，wanc_1@163.com

中图分类号: TG156
计量
- 文章访问数: 169
- HTML全文浏览量: 19
- PDF下载量: 27
- 被引次数: 0
出版历程
- 收稿日期: 2021-12-10
- 刊出日期: 2023-06-25

Virtual Assembly and Interference Check for Static Test of Aircraft Structure

1.
Aircraft Strength Research Institute of China, Xi'an 710065, China
2.
School of Aeronautics and Astronautics, Shanghai JiaoTong University, Shanghai 200240, China

摘要

摘要: 地面试验是目前航空结构最重要的一种验证手段，为保障复杂杠杆加载系统在飞机大变形下的安全性，对飞机结构试验系统的虚拟装配技术进行了研究，建立了基于XML的虚拟装配模板，研发了可扩展的试验设备模型库，在CATIA平台下实现了试验加载与支持系统的虚拟装配。提出了一种杠杆加载系统运动平衡方程和迭代求解方法，根据飞机结构仿真变形计算得到各加载步加载设备的空间位置，并采用坐标转换实现加载设备在加载过程中的运动模拟，同时对加载运动过程中多加载通道之间、加载系统与支持系统之间进行碰撞检查。算例表明能够发现碰撞干涉问题，为试验设计与实施提供技术支撑，降低试验风险。
- 航空结构 /
- 杠杆加载系统 /
- 模型库 /
- 虚拟装配 /
- 运动模拟 /
- 干涉检查
Abstract: Ground test is one kind of the most important verification means for aircraft structures currently, in order to ensure the safety of complex lever loading system under large deformation of aircraft, the virtual assembly method was investigated and the virtual assembly template was set up based XML schema. A extensible model library was developed for the test equipments. the virtual assembly of the loading and supporting systems was realized on CATIA software. A iterative method was put forward to solve the equilibrium equation of lever loading system motion. The spatial position of loading equipment in each loading step was calculated according to the simulation deformation of aircraft structure. The motion simulation of loading equipment was realized by coordinate transformation, and the collision check of the lever loading system and supporting system was also carried out. The example shows that the collision problem can be found, which provides the technical support for test design and reduces the test risk.
- aircraft structure /
- lever loading system /
- model library /
- virtual assembly /
- motion simulation /
- interference check

HTML全文

图 1 虚拟装配及干涉检查流程

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图 2 装配关系描述文件

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图 3 通用杠杆示意图

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图 4 杠杆参数化模型

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图 5 虚拟装配实施方案

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图 6 杠杆加载系统理论模型

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图 7 初始状态虚拟装配模型

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图 8 最终状态虚拟装配模型

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