18.11 - Modal Truncation and Its Effects
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Practice Questions
Test your understanding with targeted questions
What is modal truncation?
💡 Hint: Think about why we simplify analyses.
What does truncation error refer to?
💡 Hint: Consider the consequences of ignoring higher modes.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is modal truncation?
💡 Hint: Think about what we want to keep to make analysis easier.
True or False: Modal truncation eliminates the need for considering any higher modes.
💡 Hint: Consider how many modes are needed accurately.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A structural engineer must analyze a tall building. They decide to truncate modes based on a cumulative mass participation of 85%. What are the potential implications of this choice?
💡 Hint: Consider what you know about both truncation and risks.
Draft a detailed corrective measure plan addressing modal truncation errors in a new bridge design project under seismic loads.
💡 Hint: Think about the steps from analysis to correction.
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