| 有限元仿真在振动结构疲劳分析中的应用 |
| |
| 引用本文： | 刘龙涛,李传日,马甜,乔亮. 有限元仿真在振动结构疲劳分析中的应用[J]. 装备环境工程, 2013, 10(4): 23-29 |
| |
| 作者姓名： | 刘龙涛 李传日 马甜 乔亮 |
| |
| 作者单位： | [1]北京航空航天大学可靠性与系统工程学院,北京100191 [2]空军驻北京地区军事代表室,北京100009 |
| |
| 摘 要： | 为了对某机载产品进行结构疲劳分析,采用有限元分析软件ANSYS对产品结构进行了模态分析和随机振动分析,结合模态试验修正了有限元模型。由随机振动分析得到应力响应功率谱,最后利用频域方法计算结构的疲劳损伤。仿真结果基本吻合强化试验结果,并给出了产品结构设计改进方案。
|
| 关 键 词： | 有限元 疲劳损伤 频域法 |
| 收稿时间： | 2013-02-20 |
| 修稿时间： | 2013-07-01 |
Application of Finite Element Simulation in Vibration Structure Fatigue Analysis |
| |
| LIU Long-tao,LI Chuan-ri,MA Tian and QIAO Liang. Application of Finite Element Simulation in Vibration Structure Fatigue Analysis[J]. Equipment Environmental Engineering, 2013, 10(4): 23-29 |
| |
| Authors: | LIU Long-tao LI Chuan-ri MA Tian QIAO Liang |
| |
| Affiliation: | 1.School of Reliability and System Engineering,Beihang University,Beijing 100191,China;2.Military Representative Office of Air Force at Beijing Prefecture,Beijing 100009,China) |
| |
| Abstract: | Modal analysis and random vibration analysis of airborne product structure was carried out using the finite element analysis software ANSYS for its fatigue analysis.The finite element model was corrected with modal test.Stress response power spectrum was obtained from random vibration analysis.Fatigue damage of the structure was calculated using frequency domain method.The simulation results are in agreement with the reliability enhancement testing results.An optimization scheme for the product structure design was given. |
| |
| Keywords: | finite element fatigue damage frequency domain method |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《装备环境工程》浏览原始摘要信息 |
|
点击此处可从《装备环境工程》下载免费的PDF全文 |
|
