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A commonly used finite-element method (FEM) computer program for installation analysis is OFFPIPE, which can give indicative global results for most situations but not the effects of stress/strain concentration and point loads due to change in stiffeners.
The proposed design method takes account of the axial compression in stiffeners caused by tension field action and external forces, the transverse forces on the stiffeners required to enforce effective division of the web plate, and the tendency for the stiffened plate to buckle overall.
The proposed design method takes account of the axial compression in stiffeners caused by tension field action (J Constructional Steel Res 59 (2003 10355) and external forces, the transverse forces on the stiffeners required to enforce effective division of the web plate into plate panels, and the tendency for the stiffened plate to buckle overall.
The proposed design method takes account of the axial compression in stiffeners caused by tension field action and external forces, the transverse forces on the stiffeners required to enforce effective division of the web plate into plate panels, and the tendency for the stiffened plate to buckle overall.
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However, the design of the new sections UltraBEAM™2 and UltraZED™2 using this method is very complicated in calculating the effective section properties as these sections contain complex folded-in stiffeners.
In this work, the use of a compliant web design for improved damage tolerance in stiffener run-outs is investigated.
In stiffener layout optimization problems, most of the previous researches considering the position and/or the length of the stiffener as design variables dealt with structures having just simple convex shapes such as a square or rectangle.
A major concern in stiffener run-out regions, where the stiffener is terminated due to a cut-out, intersecting rib, or some other structural feature which interrupts the load path, is the relatively weak skin stiffener interface in the absence of mechanical fasteners.
By using the grillage method the influence of the number of stiffeners in a stiffened plate and the number of webs in a cellular structure on the vibration characteristics of plated structures is investigated.
The shells, different in the skin and in the stiffeners lay-up, were expressly designed for working in the post-buckling field.
Fatigue crack propagation in bulb stiffeners, which are widely used in ship and bridge structures, is one of the basic problems for structures' fatigue life prediction.
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