Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks
Crack growth analysis of aircraft fuselage panels is one of the important tasks of aircraft damage tolerance design. In this paper, the crack growth behavior and residual strength characteristics of the internal pressure panel of the aircraft fuselage with longitudinal cracks were analyzed from two...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2024-06-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.006 |
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| _version_ | 1841534091759976448 |
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| author | QIN JianBo WANG Feng LÜ Pin HOU Cheng FAN XueLing |
| author_facet | QIN JianBo WANG Feng LÜ Pin HOU Cheng FAN XueLing |
| author_sort | QIN JianBo |
| collection | DOAJ |
| description | Crack growth analysis of aircraft fuselage panels is one of the important tasks of aircraft damage tolerance design. In this paper, the crack growth behavior and residual strength characteristics of the internal pressure panel of the aircraft fuselage with longitudinal cracks were analyzed from two aspects: damage tolerance experiment and finite element simulation. A horizontal self-balancing test device was used to apply internal pressure load to the fuselage panel to analyze the damage tolerance characteristics of the panel. Based on the finite element method, the stress field distribution at the crack tip of the fuselage panel under internal pressure load was simulated. And the analysis results of the equivalent stress intensity factor and crack growth of different crack lengths were calculated based on the fracture mechanics theory. The comparison between the crack growth results and the test results validates the feasibility of the analysis method. This serves a as a valuable reference for conducting damage tolerance analysis on aircraft fuselage panels subjected to internal pressure loads. |
| format | Article |
| id | doaj-art-79e61c73629945bcb82b82b92db945d4 |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2024-06-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-79e61c73629945bcb82b82b92db945d42025-01-15T02:45:21ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692024-06-014655956763938529Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracksQIN JianBoWANG FengLÜ PinHOU ChengFAN XueLingCrack growth analysis of aircraft fuselage panels is one of the important tasks of aircraft damage tolerance design. In this paper, the crack growth behavior and residual strength characteristics of the internal pressure panel of the aircraft fuselage with longitudinal cracks were analyzed from two aspects: damage tolerance experiment and finite element simulation. A horizontal self-balancing test device was used to apply internal pressure load to the fuselage panel to analyze the damage tolerance characteristics of the panel. Based on the finite element method, the stress field distribution at the crack tip of the fuselage panel under internal pressure load was simulated. And the analysis results of the equivalent stress intensity factor and crack growth of different crack lengths were calculated based on the fracture mechanics theory. The comparison between the crack growth results and the test results validates the feasibility of the analysis method. This serves a as a valuable reference for conducting damage tolerance analysis on aircraft fuselage panels subjected to internal pressure loads.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.006Crack growthDamage toleranceAircraft internal pressure panelStress intensity factor |
| spellingShingle | QIN JianBo WANG Feng LÜ Pin HOU Cheng FAN XueLing Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks Jixie qiangdu Crack growth Damage tolerance Aircraft internal pressure panel Stress intensity factor |
| title | Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| title_full | Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| title_fullStr | Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| title_full_unstemmed | Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| title_short | Study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| title_sort | study on crack propagation behaviors of aircraft internal pressure panels with longitudinal cracks |
| topic | Crack growth Damage tolerance Aircraft internal pressure panel Stress intensity factor |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2024.03.006 |
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