Table 8 Relative error after updating for the sensitivity method.
From: Modal test and finite element updating of sprayer boom truss
Order | Experimental modal frequency /(Hz) | Experimental modal frequency /(Hz) | Relative error (%) |
|---|---|---|---|
First-order modalities | 27.394 | 28.312 | 3.35 |
Second-order modalities | 41.518 | 43.578 | 4.961 |
Third-order modalities | 60.436 | 60.64 | 0.338 |
Fourth-order modalities | 69.317 | 65.925 | 4.893 |
Fifth-order modality | 107.088 | 104.757 | 2.177 |
Sixth-order modalities | 115.704 | 111.826 | 3.352 |
