Research Article

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

Table 5

Comparison of updating results in the S1 damage state.

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

1.2001.562230.181.21150.96
1.0001.318931.890.98921.08
2.0002.215010.751.99290.35