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Which of the following statements best characterizes structural instability?
Consider a ball resting on the flat surface is this structure, it is in _______ status.
Which curve tells us when a structure is becoming unstable?
What happens to a structure when the force-deflection curve is in the softening part?
When designing a short column, the limit load predicted by Eigenvalue buckling analysis is generally:
When designing slender columns, the limit load prediction by large deflection nonlinear analysis is generally:
Eigenvalue analysis predicts multiple limit loads and buckling modes for a given load condition. Typically the first mode gives the lowest load at which buckling may occur. As a designer what would be your concern?
When designing for buckling what is an important factor to keep in mind?
Which of the following statements is true about critical speed in a rotating structure?
Which of the following could cause dynamic instability?