15.9 - Influence of Mass and Stiffness Distribution
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Practice Questions
Test your understanding with targeted questions
What happens to mode shapes when mass distribution is uneven?
💡 Hint: Think about how uneven weight affects movement.
Define stiffness distribution in your own words.
💡 Hint: Consider how different materials contribute to a structure’s stiffness.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the impact of uneven mass distribution in a structure?
💡 Hint: Think about how weight affects movement.
True or False: Symmetrical stiffness distribution results in simpler mode shapes.
💡 Hint: Recall what symmetry means in structural design.
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Challenge Problems
Push your limits with advanced challenges
A building has a heavy machine on its third floor, affecting its overall mass distribution. Predict how this will influence its mode shapes during an earthquake.
💡 Hint: Think about how the added weight shifts the focus of vibrations.
Propose a design strategy for a building in an earthquake-prone area that mitigates the effects of uneven mass and stiffness distribution.
💡 Hint: How can you engineer solutions that enhance stability?
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