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![A ring-stiffened longitudinally corrugated cylindrical shell to be tested under combined loads at NASA Langley Research Center (1978)](thumbnails/s61.jpg) |
![Corrugated, externally ring stiffened graphite-epoxy cylinder](thumbnails/s62.jpg) |
![The large graphite-epoxy corrugated and ring-stiffened cylindrical shell installed in the testing machine at NASA Langley Research Center](thumbnails/s63.jpg) |
![Buckled corrugated, externally ring stiffened graphite-epoxy cylinder shown in the previous two slides](thumbnails/s64.jpg) |
![A large aluminum corrugated and ring-stiffened cylindrical shell installed in the testing machine at NASA Langley Research Center](thumbnails/s65.jpg) |
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A ring-stiffened longitudinally corrugated cylindrical shell to be tested under combined loads at NASA Langley Research Center (1978) |
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Corrugated, externally ring stiffened graphite-epoxy cylinder |
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The large graphite-epoxy corrugated and ring-stiffened cylindrical shell installed in the testing machine at NASA Langley Research Center |
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Buckled corrugated, externally ring stiffened graphite-epoxy cylinder shown in the previous two slides |
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A large aluminum corrugated and ring-stiffened cylindrical shell installed in the testing machine at NASA Langley Research Center |
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![Buckled large corrugated and externally ring-stiffened cylindrical shell shown in the previous slide](thumbnails/s66.jpg) |
![A large corrugated and internally ring-stiffened cylindrical shell to be tested in the rig shown two slides ago](thumbnails/s67.jpg) |
![The buckled large corrugated and internally ring-stiffened cylindrical shell shown on the previous slide](thumbnails/s68.jpg) |
![Locally and generally buckled ring and stringer stiffened aluminum cylindrical shell subjected to overall bending](thumbnails/s69.jpg) |
![Locally and generally buckled ring and stringer stiffened aluminum cylindrical shell under torque](thumbnails/s70.jpg) |
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Buckled large corrugated and externally ring-stiffened cylindrical shell shown in the previous slide |
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A large corrugated and internally ring-stiffened cylindrical shell to be tested in the rig shown two slides ago |
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The buckled large corrugated and internally ring-stiffened cylindrical shell shown on the previous slide |
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Locally and generally buckled ring and stringer stiffened aluminum cylindrical shell subjected to overall bending |
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Locally and generally buckled ring and stringer stiffened aluminum cylindrical shell under torque |
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![Laboratory specimens tested and to be tested under hydrostatic compression](thumbnails/s71.jpg) |
![Circumferential profile of two buckling modes: (a) local skin panel mode; (b) global panel mode](thumbnails/s72.jpg) |
![Ring and stringer stiffened cylindrical panel](thumbnails/s73.jpg) |
![Laminated composite cylindrical skin](thumbnails/s74.jpg) |
![Assumed buckling patterns from the simple PANDA-type theory (See the next slide for the buckling formula)](thumbnails/s75.jpg) |
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Laboratory specimens tested and to be tested under hydrostatic compression |
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Circumferential profile of two buckling modes: (a) local skin panel mode; (b) global panel mode |
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Ring and stringer stiffened cylindrical panel |
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Laminated composite cylindrical skin |
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Assumed buckling patterns from the simple PANDA-type theory (See the next slide for the buckling formula) |
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