Post‐buckling is the load regime a structure enters after buckling. In general, there may be considerable load capacity beyond buckling before final failure occurs. This is true in particular for plates, which, in contrast to beams, may have significant load‐carrying ability beyond buckling. In this chapter, pos‐buckling equations for composite panels under compression and under shear are derived. For a panel under compression, it is usually more efficient to carry most of the compressive load by the stiffeners. The stiffener cross‐sectional area required to carry compressive load is a smaller fraction of the total weight than the skin cross‐section required to carry significant amounts of compressive load. For a panel buckling under shear load, forcing the skin between stiffeners to buckle first is also desirable. A post‐buckled stiffened composite plate under shear is shown in this chapter. The buckling pattern consists of half‐waves confined between the stiffeners.
Post‐Buckling
2013-05-17
35 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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