7.10. Resonance in SDOF Systems

Try these first

1. 1.

   What is resonance?

   Hint

   Think about how oscillation increases with matching frequencies.

2. 2.

   What does SDOF stand for?

   Hint

   Remember the simplified model of dynamic systems.

3. 3.

   What is the primary risk associated with resonance in SDOF systems?

   • Increased strength
   • Vibration decay
   • Excessive oscillations
   • Stability

   Hint

   Think about the consequences of vibrations matching the natural frequency.

4. 4.

   True or False: The natural frequency of a system remains constant regardless of mass and stiffness.

   • True
   • False

   Hint

   Recall how the properties of a structure influence its dynamics.

5. 5.

   A base-isolated building has a natural frequency of 2 Hz. An earthquake wave has a dominant frequency of 2 Hz. Analyze how this scenario might unfold and suggest preventative measures.

   Hint

   Consider how to change the frequency or structural response.

6. 6.

   Evaluate a scenario where two adjacent buildings have different natural frequencies but face the same earthquake loading. Discuss the implications for structural integrity.

   Hint

   Think about how varying building properties influence responses to external loads.