7. E modeling

7.1. Characteristics of modeling

Law of nonlinear elastic behavior (” ELAS_VMIS_TRAC “)

Loading: Next bending moment (\(-Y\)) distributed across the face of the upper pipe.

\(M=-5216\mathit{kNm}\) where \(M\) is the moment on the \(Y\) axis.

7.2. Characteristics of the mesh

Number of knots: 40733

Number of meshes and types:

3D_ INCO_UPG: 8865 TETRA10, 5580, 5580 HEXA20 and 240 PENTA15

3D: 295 PYRAM13

7.3. Tested sizes and results

The value tested is the local energy release rate \({J}_{\text{fond}}\) on the node at the bottom of the crack (option G of CALC_G). This value is tested for an integration ring defined by NB_COUCHE_INF =2 and NB_COUCHE_SUP =5.

Identification	Reference	Calculated value e	\(\text{\%}\) tolerance
\({J}_{\text{fond}}(\mathit{KJ}/m\mathrm{²})\)	9.8102	1.025103	6.5