ESDU 80023
Buckling of rectangular specially orthotropic plates.
Abstract:
ESDU 80023 defines the specially-orthotropic plate. Buckling loads are presented in terms of the plate geometry and the four flexural stiffnesses for a variety of edge conditions for plates loaded in uniaxial or biaxial compression, shear and shear with uniaxial compression. The analysis assumes the through-thickness shear stiffness is sufficiently large for the bending stiffnesses to control buckling. A criterion is given to check whether that is so and, if it is not met, the program of ESDU 81047 or ESDU 94005 (ESDUpac A8147 or ESDUpac A9405) should be used; those programs include the effect of shear stiffness.Indexed under:
Details:
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This Data Item contains 14 interactive graph(s) as listed below.
| Graph | Title |
|---|---|
| Figure 1 | Unaxial load, combinations of clamped and simply-supported edge conditions |
| Figure 2 | Biaxial load, all edges simply-supported, (C = 2.0) |
| Figure 3 | Biaxial load, ends clamped sides simply-supported, (C = 2.0) |
| Figure 4a | Nyb tensile |
| Figure 4b | Nyb compressive |
| Figure 5 | Shear, all edges simply-supported |
| Figure 6b | Long plates subjected to shear loading long sides elastically restrained against rotation |
| Figure 6a | Long plates subjected to shear loading long sides elastically restrained against rotation |
| Figure 7 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 4.0 |
| Figure 8 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 2.0 |
| Figure 9 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 1.333 |
| Figure 10 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 1.0 |
| Figure 11 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 0.5 |
| Figure 12 | Shear and uniaxial compression all edges simply supported (a/b)(Nxyb/Nxb) = 0.25 |