Abstract
The compressive behavior of one-third composite cylindrical shell with cover was studied. The composite cylinder shell with cover which was tested under compressive load failed in local buckling at 118.944 kN without post-buckling. The finite element model was built in ABAQUS to calculate buckling behavior of the composite cylindrical structure. The computational results were compared with experimental results to verify the validity of this finite element model. The built finite element model was utilized to investigate the method of improving buckling load of the structure. The results show that the layer angles of patch and cover have directly effect on the buckling load. If the angle of patch and cover change from 0° to 20°, the structure buckling load will improve 6.80% and 2.39%. The thickness of patch also has effect on the buckling load. However, increasing thickness of patch is not an ideal method to improve buckling load. Because when the number of the layers increases from 11 to 16, buckling load only improves by 2.37%. Considering the cost and weight, it is not a wise choice compared with changing layer angle.
| Original language | English |
|---|---|
| Pages (from-to) | 89-94 |
| Number of pages | 6 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 39 |
| Issue number | 1 |
| State | Published - Jan 2013 |
Keywords
- Buckling analysis
- Composite cylindrical shell
- Compressive
- Cover
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