Practice Equations Of Motion Of Sdof System For Mass As Well As Base Excitation (6)

Practice: Equations of Motion of SDOF System for Mass as well as Base Excitation

Lesson 6Equations of Motion of SDOF System for Mass as well as Base Excitation

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the basic equation for an undamped SDOF system?
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Think about Newton's laws applied to harmonic motion.
Question 2.
What does damping do to an oscillating system?
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Remember how damping affects energy loss.
3Question 3.
What are the components of a Single Degree of Freedom system?
- Mass
- Spring
- Damper
- Beam
- Column
- Connection
- Load
- Reaction
- Support
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Think back to the components we discussed.
4Question 4.
True or False: Base excitation occurs when external forces are applied directly to the mass.
- True
- False
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Recall the definition of base excitation.
Question 5.
Consider a building modeled as an SDOF system during an earthquake that experiences both base and mass excitation. Discuss how you would approach analyzing the combined influences on its motion.
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Think about how you would model simultaneous forces acting on the structure.
Question 6.
Assuming an SDOF structure has a damping ratio of 0.3, what implications does this have on its seismic performance and how would you design accordingly?
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Reflect on how different damping characteristics interact with seismic events.

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