Stiffened Panels
Stiffened Panels
(OP)
What do you mean by stiffened panel? and what are its functions in an aircraft?
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RE: Stiffened Panels
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RE: Stiffened Panels
there are many different reasons to stiffen a panel ... to help the panel carry axial loads (along the stiffeners) or bending loads; or to increase the shear allowable (using the stiffeners to break-up the panel, so called panel breakers).
I'd start with doing my own research (google "stiffened panels" or the like, read aircraft design textbooks (Michael Niu), and come back with a more specific question.
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RE: Stiffened Panels
For example, a flat metal panel can be stiffened by adding flanges around its perimeter, by forming beads across its length/width, or by attaching structures such as ribs or stringers. A composite panel can be made stiffer by adding a honeycomb or foam core. Panels are often stiffened to increase their buckling capacity, or to alter their structural frequency to improve NVH characteristics.