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3 cards from this section. Quick, good the night before a test.
Define what an MDOF system is in your own words.
Think about structures and how parts can move independently.
What do the matrices [M], [C], and [K] represent?
Consider the physical properties of structures.
What does the matrix [M] in the MDOF equation represent?
Consider what mass contributes to in dynamic systems.
True or False: The impulse response matrix H(t) relates the response of only one degree of freedom to a unit impulse.
Look at the definition of impulse response.
Given a 3-DOF system with mass values of [1,2,1] kg and stiffness values of [4,3,4] N/m, derive the equations of motion and identify eigenvalues.
Use matrix representations to form the equations.
Consider a structure modeled as a 2-DOF MDOF system subjected to an impulse. Explain how the system's total response can be calculated using modal analysis.
Recall the steps of modal analysis and response calculation.
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