4. B modeling

4.1. Characteristics of modeling

Same as for modeling A.

4.2. Characteristics of the mesh

Same as for modeling A.

4.3. Tested sizes and results

The method used for the calculation of natural modes is the « real mode » method (TYPE_MODE =” REEL “).

The displacement values along the Z axis at point A are tested.

Real mode method
Size	Reference
DZ (NUME_ORDE =1)	3.84063122275e-04 - 8.77803614739e-05j
DZ (NUME_ORDE =100)	-1.1663671537e-04 - 9.6134604316e-06j
DZ (NUME_ORDE =500)	-1.302768494 e-05 - 1.65977932083 e-06j