Damage Identification Method of Beam Structure Based on Modal Curvature Utility Information Entropy

Table 7

Test simulation damage cases.

Damage cases	Cutting cases (incision width of 1 cm)	Damage degree (%)
6	Incision depth was 2.5 cm at 30 cm	50
7	Incision depth was 2.0 cm and 2.5 cm at 50 cm and 125 cm	40, 50
8	Incision depth was 2.0 cm at 45 cm, 87.5 cm and 130 cm	40