13 - Normal Modes of Vibration
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Practice Questions
Test your understanding with targeted questions
Define what normal modes of vibration are.
💡 Hint: Think about how a swing moves naturally.
What is a natural frequency?
💡 Hint: Consider the rate of a pendulum's swing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What are normal modes?
💡 Hint: Think about how a swing moves freely.
True or False: Each normal mode has an associated natural frequency.
💡 Hint: Consider how different musical notes correspond to different vibrations.
1 more question available
Challenge Problems
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Given a three-storey MDOF system, compute the characteristic equation to determine the natural frequencies.
💡 Hint: Focus on understanding how the equation is derived from modal analysis.
Analyze the effect of adding damping to an already calculated modal response. Discuss how it alters mode shapes.
💡 Hint: Consider how energy dissipation might affect vibrations.
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