10. H modeling#

10.1. Characteristics of modeling#

_images/1000000000000FA0000008CAC423213DC67ADB33.png

Figure 10.1-1

10.2. Boundary conditions#

Embedding PT_5 (DX=DY=DZ= DRX = = DRY = DRZ =0)

Support PT_10 (DY=DZ=0)

Support PT_20 (DX=DZ=0)

Embedding PT_30 (DX=DY=DZ= DRX = = DRY = DRZ =0)

10.3. Characteristics of the mesh#

Number of knots: 25

Number of meshes and types: 24 POU_D_T

10.4. Tested sizes and results#

Uncertainties about the results using the reference analytical solution:

Identification

Reference AFNOR

Pipestress Value

Aster Value

Aster Gap- AFNOR

Frequency (\(\mathit{Hz}\)) Mode 1

17.9

17.9

17.64

17.727

0.9664804

Frequency (\(\mathit{Hz}\)) Mode 2

24.8

24.8

24.386

24.709

0.3669355

Frequency (\(\mathit{Hz}\)) Mode 3

25.3

25.3

24.885

25.239

0.2411067

Frequency (\(\mathit{Hz}\)) Mode 4

27

27

26.631

27.069

0.2555556

Table 10.4-1

10.5. Deformed from mode 1#

_images/10000201000002DC0000026E8CF84D532DA8AC42.png

Figure 10.5-1