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2 cards from this section. Quick, good the night before a test.
What are the two main assumptions in free vibration analysis of MDOF systems?
Think about what characteristics simplify the analysis.
Express the assumed solution for free vibrations mathematically.
What form describes oscillation over time?
What is the first assumption in free vibration analysis?
Consider what enables the analysis of natural motion.
True or False: Mode shapes correspond to natural frequencies.
Think about how they are linked in analysis.
Given a system with specific mass and stiffness matrices, derive the characteristic equation and solve for ω².
What mathematical operation will you use to determine the roots of your characteristic equation?
Discuss the implications of ignoring damping in real-world systems. How might this affect your vibrational analysis?
Think about how real structures behave during events.
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