Structural Damping Effects on Dynamic Instability of Subtangentially Loaded and Shear Deformable Beck’s Columns

Figure 9

Results of time history analyses of shear-flexible and damped Beck’s columns under a lateral impulse force.

(a) under 2% internal damping only with an increase in

(b) under 2% external and internal damping with an increase in

(c) under 2% external damping only with an increase in