3. Modeling A

3.1. Characteristics of modeling

POU_D_T

Cutting:	\(\mathrm{AC}\) and \(\mathrm{BD}\)	6 stitches SEG2
	\(\mathrm{CE}\) and \(\mathrm{DF}\)	9 stitches SEG2
	\(\mathrm{CD}\) and \(\mathrm{EF}\)	10 stitches SEG2

Boundary conditions:

problem plan	DDL_IMPO:	(TOUT: “:” OUI “DZ:0., DRX :0., DRY :0.)
embedded \(A\) and \(B\) nodes		(GROUP_NO :AB DX:0., DY:0., DRZ :0.)

Node names:	\(\mathrm{Point}A=\mathrm{N100}\)	\(\mathrm{Point}B=\mathrm{N600}\)
	\(\mathrm{Point}C=\mathrm{N200}\)	\(\mathrm{Point}D=\mathrm{N500}\)
	\(\mathrm{Point}E=\mathrm{N300}\)	\(\mathrm{Point}F=\mathrm{N400}\)

3.2. Characteristics of the mesh

Number of knots:	50
Number of meshes and types:	50 SEG2

3.3. Tested values

Identification	Reference
1 anti	8.8
2 anti	29.4
3 symbols	43.8
4 symbols	56.3
5 anti	96.2
6 symbols	102.6
7 anti	147.1
8 symbols	174.8
9 anti	178.8
10 anti	206.0
11 symbol	266.4
12 anti	320.0
13 symbols	335.0

3.4. notes

Calculations made by:

OPTION =” AJUSTE “ CALC_FREQ =_F (FREQ =( 5.,350. ),

NMAX_FREQ =13)

3.5. Contents of the results file

13 first natural frequencies (eigenvectors and modal parameters).