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3 cards from this section. Quick, good the night before a test.
Define the damping ratio.
Think about how it relates to oscillation behavior.
What is the formula for calculating the natural frequency?
Recall the variables associated with mass and stiffness.
What does a damping ratio less than one indicate?
Consider the types of damping.
The natural frequency formula includes which variables?
Think about the forces acting on a mass in a system.
A vehicle suspension system has a mass of 1000 kg, damping coefficient of 2000 Ns/m, and spring constant of 25000 N/m. Calculate the damping ratio and natural frequency, then discuss the implications of these results for ride comfort.
Remember to apply the appropriate formulas to find both values.
Design a damped system for a tall building with a mass of 4000 kg and a damping coefficient of 1000 Ns/m for a stiffness of 90000 N/m. How would you calculate damping ratio and natural frequency to ensure the structure can withstand strong winds?
Focus on how you would balance comfort with structural integrity in your calculations.
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