3. Modeling A#

3.1. Characteristics of modeling#

3D

_images/10000C3000000C8100001354C0ABE89D0B5D2026.svg

Die-cutting:

3 elements in height

2 elements in width and thickness

hexa20 meshes

Boundary conditions:

on the \(\mathrm{AB}\) axis

DDL_IMPO: (GROUP_NO: ABsansA DX=0., DY=0.)

in \(A\) and \(D\)

(NOEUD :A DX=0., DY=0., DZ=0.) (NOEUD :D DY=0.)

Node names:

\(A=\mathrm{N59}\)

\(B=\mathrm{N53}\)

\(C=\mathrm{N12}\)

\(D=\mathrm{N18}\)

\(E=\mathrm{N56}\)

\(X=\mathrm{N70}\)

3.2. Characteristics of the mesh#

Number of knots: 111

Number of meshes and types: 12 HEXA20

3.3. Tested sizes and results#

Identification

Reference

Aster

% difference

\({U}_{B}\)

10—22

\({V}_{B}\)

10—22

\({W}_{B}\)

—1.72165510—6

—1.721674 10—6

0.001

\({U}_{C}\)

= 10—14

\({V}_{C}\)

= 10—19

\({W}_{C}\)

—1.715916 10—6

—1.715935 10—6

0.001

\({U}_{D}\)

-6.88662 10—8

-6.88653 10—8

0.001

\({V}_{D}\)

= 10—23

\({W}_{D}\)

5.73885 10—9

5.71514 10—9

0.413

\({U}_{E}\)

= 10—22

\({V}_{E}\)

= 10—23

\({W}_{E}\)

—1.291241 10—6

—1.291260 10—6

0.002

\((\mathrm{Pa})\)

\({\sigma }_{\mathrm{zz}}\) \((A)\)

2.29554 105

2.2956 105

< 0.01

\({\sigma }_{\mathrm{zz}}\) \((E)\)

1.14777 105

1.14777 105

< 0.01

\({\sigma }_{\mathrm{zz}}\) \((X)\)

2.29554 105

2.29549 105

< 0.01

\({U}_{X}\)

10—20

\({V}_{X}\)

-6.88662 10—8

-6.886534 10—8

\({W}_{X}\)

5.73885 10—8

5.71514 10—9

0.413

Modeling in HEXA20 is completely acceptable for this rough meshing.