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| Flexural-Torsional buckling of axially compressed cruciform column with flanges |
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| Buckling of oval cylindrical shell in bending |
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| General buckling mode of optimized cylindrical balloon with 40 truss-like modules over 90 degrees of circumference |
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| Longitudinally corrugated long cylindrical shell under external pressure |
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| Axially compressed corrugated cylindrical shell |
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| Both perfect and imperfect shells are considered in our optimization. (a) Perfect wavy shell. (b) Imperfection shape based on critical buckling mode. |
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| General buckling of optimized, axially compressed corrugated panel |
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| Buckling of an optimized, complexly corrugated, axially compressed, cylindrical shell analyzed with HUGEBOSOR4 |
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| A finite element model of a complexly corrugated cylindrical shell under axial compression previously optimzed by GENOPT/BIGBOSOR4 |
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| Critical buckling mode of the uniformly axially compressed, complexly corrugated panel shown in the previous slide |
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| Another HUGEBOSOR4 model of an optimized, complexly corrugated cylindrical shell with smoothing under uniform axial compression |
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| STAGS model of the same optimized, complexly corrugated cylindrical shell with smoothing under uniform axial compression |
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| BIGBOSOR4 model of a simpler optimized, complexly corrugated cylindrical shell with smoothing under uniform axial compression |
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| STAGS model of the same simpler optimized, complexly corrugated cylindrical shell with smoothing under uniform axial compression |
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| The WEIGHT of “global” optimum designs versus number of major segments over WIDTH/2=50 inches |
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