Fig. 3From: Paradoxes in dynamic stability of mechanical systems: investigating the causes and detecting the nonlinear behaviorsStability boundary of the Ziegler column: a critical manifold in the \((\mu ,\xi _{1},\xi _{2})\)-parameter space: S stable region, U unstable region, Ex exact manifold, As asymptotic manifold; b \(\mu\)-isolines: S stable region, U unstable regionBack to article page