An Improved Finite Element Model Updating Method Based on the Singular Values of Frequency Response Functions
Table 3
Damage state of truss model.
Damage state
Specific damage situation
S0
No damage
S1
Elasticity modulus of the lower rod elements is damaged by 20%
S2
Elasticity modulus of the lower rod elements is damaged by 20%; elasticity modulus of the middle rod elements is damaged by 30%; elasticity modulus of the upper rod elements is damaged by 25%