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If the maximum buckling capacity designs are material failure critical, strength is imposed as a constraint in the optimisation problem.
The framework is comprised of a semi-analytical analysis approach and a multi-step optimisation framework, and is applied for maximum buckling capacity design of fibre steered laminates of two stiffened cylinders, with different thickness to radius ratios, under bending moment.
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Herein, using a metamodeling based design optimization (MBDO) method, elliptical composite cylinders with VS laminate are designed and optimized for maximum axial buckling capacity.
Finally, a VS elliptical composite cylinder is designed for having maximum bending buckling capacity in two opposite directions simultaneously, and its buckling performance in different directions is compared with its CS counterpart.
The observations also suggest that the maximum compression in the floor beam is limited to the buckling capacity of the web and flanges near the connection.
The critical buckling load of the shell is obtained by summation of the maximum buckling loads of supporting nodes.
He has concluded that the buckling capacity load increases with increasing the internal compression.
All these factors have a detrimental effect on the strut's buckling capacity.
In average, the buckling capacity of the shell is reduced about 10 15 % (Fig. 21).
The non-linear analysis showed that the buckling capacity of the tower is highly dependent on the main members.
Moreover, in the cylindrical shells with 15 and 20 m diameters, the cutout formation will decrease buckling capacity about 30%%.
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