The strip model is limited mostly to SPSWs with thin plates ( low critical buckling capacity ) and certain ratios.
2.
More complex formulas and procedures apply for such cases, but in its simplest form the critical buckling load formula is given as Equation ( 3 ),
3.
According to this method, the ratio between the critical buckling length and the real length of a column is determined based on two redistribution coefficients, \ eta _ 1 and \ eta _ 2, which are mapped to a ratio between the effective buckling length of a compressed member and its real length.
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