Summary of Results for Cases 1-5

1. Modal Identification

• No difficulties encountered in modal identification

• For known input cases

- Damping ratios identified within 4% error

- Frequencies with < 0.1% error

• For unknown input cases

- Damping ratios identified within 15% error (x1=4.5%- Case 5)

- Frequencies within 0.1% error

Case 5 (Damage ii)=6% error (f1=4.03 Hz)

max.error

max.error

Previous slide

Next slide

Back to first slide

View graphic version