4. B modeling#

4.1. Characteristics of modeling#

Below is the initial rough mesh:

_images/100000000000039D00000263FCB03EA190A9503A.png

Below is the fine mesh called patch:

_images/100000000000039D0000026375E5D8F68B8A7C19.png

4.2. Characteristics of the mesh#

The characteristics of the coarse mesh are as follows:

Number of knots: 754

Number of meshes and type: 160 TRIA3

612 QUAD4

The characteristics of fine mesh are as follows:

Number of meshes and type: 620 TRIA3

580 QUAD4

4.3. Tested sizes and results#

This is a test with respect to the values obtained on modeling A

Identification

Reference

Tolerance ( \(\text{\%}\) )

SIXX max

6.019E+06

2.0

SIXX min

-2.486E+05

2.0

SIYY max

9.782E+05

2.0

SIYY min

-2.092E+06

2.0

We visualize the Von Mises stress around the hole:

_images/100000000000039D000002639772CF74793FA9D0.png

Figure 4.3-a : Initial result on a rough model

_images/100000000000039D00000263FBEFD5D1F2E23DA3.png

Figure 4.3-b : Result obtained after structural zoom