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Reaction moment M(0) at the clamp at varying clamp angle α for different values of the load ratio P/Pcr equal to {0.1,0.5,1,1.5,3} (a) and to {5,8,9.161} (b). Moments evaluated at unstable configurations are reported as discontinuous lines, dashed and dotted for first and second mode configurations, respectively. (Online version in colour.)
