Stiffened Panel Euler Buckling
Euler critical stress σ_cr = π²·E·I / (L² · A) - the classical buckling limit for a pin-ended stiffened panel.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Young's modulus steel ≈ 206 GPa | GPa | |
| Second moment of area | mm⁴ per mm width | |
| Cross-section area | mm² per mm width | |
| Panel length | mm |
Source: IACS CSR-H Appendix 1.2
In short
Euler critical stress \u03c3_cr = \u03c0\u00b2\u00b7E\u00b7I / (L\u00b2 \u00b7 A) - the classical buckling limit for a pin-ended stiffened panel.