Research Article

Correction of Transducers Mass Effects from the Measured FRFs in Hammer Impact Testing

Table 1

Comparison of frequencies of target, “measured,” and corrected FRFs.

1st order/Hz2nd order/Hz3rd order/Hz4th order/Hz

Target486.3134114801824
Measured457.5124614681789
Corrected487.5133314901845
Errors before correction5.9%7.1%0.8%1.9%
Errors after correction0.2%0.6%0.7%1.2%