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3 cards from this section. Quick, good the night before a test.
What is a mode shape?
Think about how structures move during vibrations.
What does the modal participation factor indicate?
Consider how various modes can affect the structure differently.
What defines a mode shape in structural dynamics?
Think about how structures respond under vibration.
True or False: Modal participation factors indicate that all modes contribute equally to seismic response.
Consider the dynamics of different modes.
A three-story building exhibits three mode shapes. Each shape corresponds to different lateral displacements during seismic excitation. Describe how you can analyze these shapes to optimize the building’s design.
Think about where the maximum deflections will likely occur.
Consider a complex structure with irregular mass distribution. How would you approach determining mode shapes computationally, ensuring the accuracy of the seismic response analysis?
Consider techniques that handle complexities in structures.
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