Research Article

An Improved Finite Element Model Updating Method Based on the Singular Values of Frequency Response Functions

Table 4

Comparison of updating results in the S0 damage state.

ParameterTest mean valueInitial mean valuePreupdating error (%)Updated mean valueUpdated error (%)

1.501.86224.151.5130.90
1.001.31931.890.9881.18
2.002.21510.751.9890.53