2. Benchmark solution

2.1. Calculation method used for the reference solution

Modeling A (COQUE_3D) is used as a reference for other models.

2.2. Benchmark results

Natural frequencies:

Frequency mode 7	628.354 Hz
Frequency mode 8	693	21Hz »
Frequency mode 9	1672	826 Hz »
Frequency mode 12	3090	352Hz »

2.3. Uncertainties about the solution

• no regression for modeling A

• of the order of 10% for B modeling

2.4. Bibliographical references

None.