Practice Introduction To Mdof Systems (14.3.1) - Natural Frequencies - Earthquake Engineering

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6 sample questions

Question 1.
What does MDOF stand for?
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Think about the degrees of freedom in a structure.
Question 2.
Name one example of an MDOF system.
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Consider structures that have multiple floors.
3Question 3.
What does the term MDOF stand for?
- Single-Degree-of-Freedom
- Multi-Degree-of-Freedom
- Multiple-Degree-of-Freedom
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Think about multiple movements.
4Question 4.
True or False: MDOF systems can only have one natural frequency.
- True
- False
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Think about what MDOF means.
Question 5.
Given a stiffness matrix K and mass matrix M, calculate the first two natural frequencies of a simple MDOF system.
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Use matrix algebra tools or programming to assist in calculations.
Question 6.
Discuss how changes in mass distribution would affect the natural frequencies in an MDOF system.
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Consider the implications of mass on stiffness and frequency.

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