复合材料加筋壁板压缩屈曲与后屈曲分析
TB332; 为了建立复合材料加筋壁板承受压缩载荷下屈曲、后屈曲和破坏整个失效过程的数值分析方法,对复合材料加筋壁板进行了压缩稳定性试验和有限元分析研究.采用特征值分析法对加筋壁板进行了屈曲分析,得到加筋壁板的屈曲模态、屈曲特征值及屈曲载荷;根据加载端的载荷-位移曲线采用弧长法(Riks),得到了弧长法的屈曲载荷及后屈曲承载路径;引入失效准则,得到后屈曲直至破坏的承载能力.对比两种有限元分析法与试验结果可以得到:加筋壁板的后屈曲承载能力很大,特征值法分析屈曲载荷较弧长法更精确,而弧长法可以更好模拟后屈曲行为,建立的分析法与试验结果吻合较好....
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| Published in | 南京航空航天大学学报 Vol. 48; no. 4; pp. 563 - 568 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
空军工程大学航空航天工程学院,西安,710038
2016
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-2615 |
| DOI | 10.16356/j.1005-2615.2016.04.018 |
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| Abstract | TB332; 为了建立复合材料加筋壁板承受压缩载荷下屈曲、后屈曲和破坏整个失效过程的数值分析方法,对复合材料加筋壁板进行了压缩稳定性试验和有限元分析研究.采用特征值分析法对加筋壁板进行了屈曲分析,得到加筋壁板的屈曲模态、屈曲特征值及屈曲载荷;根据加载端的载荷-位移曲线采用弧长法(Riks),得到了弧长法的屈曲载荷及后屈曲承载路径;引入失效准则,得到后屈曲直至破坏的承载能力.对比两种有限元分析法与试验结果可以得到:加筋壁板的后屈曲承载能力很大,特征值法分析屈曲载荷较弧长法更精确,而弧长法可以更好模拟后屈曲行为,建立的分析法与试验结果吻合较好. |
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| AbstractList | TB332; 为了建立复合材料加筋壁板承受压缩载荷下屈曲、后屈曲和破坏整个失效过程的数值分析方法,对复合材料加筋壁板进行了压缩稳定性试验和有限元分析研究.采用特征值分析法对加筋壁板进行了屈曲分析,得到加筋壁板的屈曲模态、屈曲特征值及屈曲载荷;根据加载端的载荷-位移曲线采用弧长法(Riks),得到了弧长法的屈曲载荷及后屈曲承载路径;引入失效准则,得到后屈曲直至破坏的承载能力.对比两种有限元分析法与试验结果可以得到:加筋壁板的后屈曲承载能力很大,特征值法分析屈曲载荷较弧长法更精确,而弧长法可以更好模拟后屈曲行为,建立的分析法与试验结果吻合较好. |
| Author | 常飞 石晓朋 李曙林 张铁军 李乐坤 |
| AuthorAffiliation | 空军工程大学航空航天工程学院,西安,710038 |
| AuthorAffiliation_xml | – name: 空军工程大学航空航天工程学院,西安,710038 |
| Author_FL | Chang Fei Zhang Tiejun Li Lekun Li Shulin Shi Xiaopeng |
| Author_FL_xml | – sequence: 1 fullname: Li Lekun – sequence: 2 fullname: Li Shulin – sequence: 3 fullname: Chang Fei – sequence: 4 fullname: Shi Xiaopeng – sequence: 5 fullname: Zhang Tiejun |
| Author_xml | – sequence: 1 fullname: 李乐坤 – sequence: 2 fullname: 李曙林 – sequence: 3 fullname: 常飞 – sequence: 4 fullname: 石晓朋 – sequence: 5 fullname: 张铁军 |
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| DocumentTitle_FL | Buckling and Post-Buckling of Composite Stiffened Panel Under Compression |
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| Keywords | 加筋壁板 arc-length method 屈曲 buckling composite 复合材料 特征值法 post-buckling 弧长法 eigenvalue solver stiffened panel 后屈曲 |
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