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2 cards from this section. Quick, good the night before a test.
What occurs when the external frequency matches the natural frequency of a structure?
Think about the relationship between two frequencies.
What effect does low damping have during resonance?
Consider a pendulum swinging more widely.
What defines resonance in structural dynamics?
Consider the concept of frequency matching.
True or False: High levels of damping make structures more vulnerable to resonance.
Think about how damping affects oscillations.
A structure with a natural frequency of 2 Hz is subjected to ground motion with a predominant frequency of 2 Hz. Describe the behavior of the structure and possible outcomes.
Think about what happens in resonance when frequencies match.
If an engineer wants to lower a building's natural frequency from 3 Hz to 1.5 Hz, what changes in design could they implement?
Consider how the natural frequency is affected by mass and stiffness.
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