5.11.1 - Equivalence through Modal Analysis
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Practice Questions
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What does modal analysis help us understand?
💡 Hint: Think about breaking down movement into simpler parts.
What does SDOF stand for?
💡 Hint: It refers to a simplified model of vibration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is modal analysis mainly used for?
💡 Hint: Think of the types of loads that affect a structure over time.
True or False: The participation factor (Γ) only applies to SDOF systems.
💡 Hint: Remember the broader application of participation in vibration analysis.
1 more question available
Challenge Problems
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Given a structure with an estimated mass of 2000 kg and an effective stiffness of 50000 N/m, calculate the fundamental period T.
💡 Hint: Use the T formula carefully.
A building has a first mode participation factor of 0.85. Discuss whether it can be effectively modeled as an SDOF system.
💡 Hint: Consider the value threshold for SDOF representation.
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