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Lecture 11: Mode Superposition Analysis; Time History

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Topics: Mode superposition analysis; time history

Solution of dynamic response by mode superposition
The basic idea of mode superposition
Derivation of decoupled equations
Solution with and without damping
Caughey and Rayleigh damping
Calculation of damping matrix for given damping ratios
Selection of number of modal coordinates
Errors and use of static correction
Practical considerations

Instructor: Klaus-Jürgen Bathe

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