Panels & stiffened shells — combined-load panel analysis with stiffener interaction.

Buckling, crippling & damage tolerance of stiffened panels.

Sandwich panel core shear and facesheet wrinkling checks.

Buckling of sheet between fasteners as a short column: buckling stress, plasticity cut-off, margin and largest pitch.

Deflection and maximum bending stress of a rectangular plate under uniform pressure with simply supported or clamped edges.

Face stress, core shear, deflection with shear deformation and wrinkling for a simply supported sandwich beam or panel strip.

Unidirectional lamina stiffness from fiber and matrix properties and fiber fraction, simple and Halpin-Tsai estimates.

Shear buckling coefficient, critical stress and margin for a flat rectangular web with simply supported or clamped edges.

Effective width and carried load of a thin compression plate loaded past its buckling stress.

Face wrinkling and intracell dimpling stresses of a sandwich panel in compression, with margin.

Split of an axial load between the skin and stringers of a stiffened panel.

Web buckling stress, diagonal tension factor and equivalent web stress for a stiffened shear web.

Ply stress rotation and Tsai-Hill failure index.

Center deflection of a round plate under a point load.