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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the influence vector?
💡 Hint: Think about how the ground motion can be represented mathematically.
Question 2
Easy
What is seismic excitation?
💡 Hint: What do we observe in buildings during an earthquake?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the influence vector usually consist of during uniform ground motion?
- Zeroes
- Ones
- Random numbers
💡 Hint: Think about how ground motion affects each mass point.
Question 2
True or False: Modal analysis allows you to analyze all modes simultaneously without uncoupling them.
- True
- False
💡 Hint: Consider how modes are separated in dynamic analysis.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a 5-story building with a mass matrix [M] made up of 1000 kg for each story, and a stiffness matrix [K] summed as 2000 N/m per story, derive the influence vector if subjected to a uniform ground acceleration of 0.5 m/s².
💡 Hint: Consider how masses and stiffness relate to seismic forces.
Question 2
Discuss the impact of ignoring damping in the analysis of seismic response for an MDOF structure.
💡 Hint: Reflect on how damping naturally limits responses to dynamic forces.
Challenge and get performance evaluation