带预载的钢丝网套补偿器振动疲劳损伤分析

doi:10.3901/JME.2021.15.129

机械工程学报 ›› 2021, Vol. 57 ›› Issue (15): 129-137.doi: 10.3901/JME.2021.15.129

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带预载的钢丝网套补偿器振动疲劳损伤分析

杨燕¹, 贺启林¹, 朱海洋², 司会柳¹, 王琦², 任明法²

1. 北京宇航系统工程研究所北京 100076;
2. 大连理工大学工程力学系大连 116024

收稿日期:2020-08-20 修回日期:2020-11-06 出版日期:2021-08-05 发布日期:2021-11-03
通讯作者: 任明法(通信作者),男,1974年出生,博士,教授,博士研究生导师。主要研究方向为复合材料结构力学。E-mail:renmf@dlut.edu.cn
作者简介:杨燕,女,1981年出生,硕士,高级工程师。主要研究方向为管路及压力容器的设计。E-mail:28178311@qq.com;王琦,男,1993年出生,博士研究生,主要研究方向为复合材料工艺力学分析。E-mail:499455885@mail.dlut.edu.cn

Vibration Fatigue Damage Analysis of Compensator Reinforced by Wire Cloth with Preload

YANG Yan¹, HE Qilin¹, ZHU Haiyang², SI Huiliu¹, WANG Qi², REN Mingfa²

1. Beijing Institute of Astronautical Systems Engineering, Beijing 100076;
2. Department Engineering Mechanics, Dalian University of Technology, Dalian 116024

Received:2020-08-20 Revised:2020-11-06 Online:2021-08-05 Published:2021-11-03

摘要/Abstract

摘要： 开展了基于有限元分析软件ABAQUS的钢丝网套补偿器在随机振动工况和正弦振动工况下的疲劳分析。首先采用梁单元建立钢丝网套等效模型，针对不同载荷工况构建不同的钢丝网套与波纹管间的相互作用关系，从而建立能够考虑预载影响的钢丝网套补偿器随机振动、正弦振动分析模型，并开展支反力试验和模态测试对模型进行验证。基于该模型，结合Dirlik方法及基于Miner线性累积损伤理论推导的疲劳寿命计算公式。分析了不同方向随机振动、正弦振动激励作用下的钢丝网套补偿器疲劳损伤情况。结果显示，在随机振动工况和正弦振动工况下，钢丝网套补偿器在横向（X方向）上的损伤均最大，且在设计使用寿命（1 min）以内均未发生疲劳破坏；钢丝网套补偿器的薄弱环节分布于补偿器个别波峰以及管接头固定端附近；正弦振动工况下损伤水平小于随机振动工况下损伤水平。

关键词: 补偿器, 波纹管, 疲劳, 随机振动, 正弦振动

Abstract: The fatigue analysis of the compensator reinforced by wire cloth under random vibration conditions and sinusoidal vibration conditions based on the finite element analysis software ABAQUS is carried out. Firstly, the beam element is used to simulate the wire cloth, and different interaction conditions between wire cloth and bellow are set for different load conditions, so the model for random vibration and sinusoidal vibration conditions can be established. The reaction test and modal test are carried out to verify the model. Based on the model, the Dirlik method and fatigue life formula based on Miner linear cumulative damage theory are used to calculate the fatigue damage of steel wire mesh compensator under random vibration and sinusoidal vibration excitation in different directions. The results show that under random vibration conditions and sinusoidal vibration conditions, the compensator has the largest damage level in the horizontal direction (X-direction), and(no fatigue damage occurs within design life (1 min); weak points of the compensator are located near the individual peaks of the compensator and the fixed point of the pipe joint; the damage level under sinusoidal vibration conditions is less than the damage level under random vibration conditions.

Key words: compensator, bellow, fatigue, random vibration, sinusoidal vibration

中图分类号:

O324
TG405

杨燕, 贺启林, 朱海洋, 司会柳, 王琦, 任明法. 带预载的钢丝网套补偿器振动疲劳损伤分析[J]. 机械工程学报, 2021, 57(15): 129-137.

YANG Yan, HE Qilin, ZHU Haiyang, SI Huiliu, WANG Qi, REN Mingfa. Vibration Fatigue Damage Analysis of Compensator Reinforced by Wire Cloth with Preload[J]. Journal of Mechanical Engineering, 2021, 57(15): 129-137.

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带预载的钢丝网套补偿器振动疲劳损伤分析

Vibration Fatigue Damage Analysis of Compensator Reinforced by Wire Cloth with Preload

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