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5 cards from this section. Quick, good the night before a test.
Define the mass matrix [M] in the context of MDOF systems.
Think about how mass affects acceleration in Newton's second law.
What is the general form of the equations of motion for MDOF systems?
Remember the matrices and their roles in the equations.
What does the mass matrix [M] represent in MDOF systems?
Focus on how mass influences motion.
True or False: The equations of motion for an MDOF system can be solved directly without any transformation.
Think about the complexity of multiple equations working together.
Given a two-story building modeled as an MDOF system, compute the mass, damping, and stiffness matrices. Then indicate how you would use modal transformation for your calculations.
Start by clearly defining the mass and stiffness parameters for each floor.
Discuss the implications of non-orthogonal modes in a practical engineering scenario. What effects might this have on analysis?
Consider what happens when modes interfere with one another.
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