Practice Orthogonality of Modes - 32.4.4 | 32. Response of Structures to Earthquake | Earthquake Engineering - Vol 3
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Orthogonality of Modes

32.4.4 - Orthogonality of Modes

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does orthogonality in mode shapes mean?

💡 Hint: Consider if they interact or not.

Question 2 Easy

Give an example of an MDOF system.

💡 Hint: Think of structures sensitive to vibrations.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is orthogonality in the context of mode shapes?

Independence of modes
Dependency of modes
Overlap of modes

💡 Hint: Think about how they relate to each other.

Question 2

True or False: The dot product of orthogonal mode shapes equals zero.

True
False

💡 Hint: Focus on the mathematical definition.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a multi-degree-of-freedom structural system with three distinct modes, derive the response expression if the modes are orthogonal.

💡 Hint: Consider how each mode's contribution adds up without interference.

Challenge 2 Hard

Discuss the implications of ignoring the orthogonality of modes in a structural analysis scenario.

💡 Hint: Think about how calculations could become complex.

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