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4 cards from this section. Quick, good the night before a test.
Define a mode shape.
Think about how structures move when disturbed.
What does free vibration mean?
Consider what happens when you stop pushing a swing.
What is the first mode shape typically associated with?
Think of how a building sways during an earthquake.
True or False: Mode shapes are always normalized to have the same magnitude.
Think about how we often scale things to make them easier to analyze.
Consider a cantilever beam with an uneven mass distribution. Calculate the first three mode shapes for this beam and discuss how an uneven mass may affect its dynamic behavior.
Utilize principles of vibration modes to evaluate the scenarios.
Analyze the modal participation factors for a 3-DOF system subjected to seismic loading. How do you interpret these factors in terms of structural design?
Consider what it means for each mode's contribution to the response.
5 more questions in this section. Enroll free to practise them all.
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