Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
3 cards from this section. Quick, good the night before a test.
What are modal coordinates?
Think about how we express displacements for simplification.
What type of equations does modal analysis create?
Remember the term 'SDOF' for simplification.
What does the modal analysis technique primarily aim to do?
Consider the purpose of the technique.
True or False: Modal coordinates express the motion of a system in terms of mode shapes.
Recall the terms we learned.
A three-degree-of-freedom spring-mass system is defined with stiffness and mass matrices. derive the modal equations for this system and explain each transformation step.
Identify your main variables and remember to express displacements correctly.
Calculate the modal response of a building subjected to an earthquake. You are given the natural frequencies and mode shapes. Detail your approach and assumed inputs.
Remember to factor in the input forces discretely for each mode.
5 more questions in this section. Enroll free to practise them all.
Enroll free