7. D modeling#

7.1. Characteristics of modeling#

It’s a 3D_SI modeling (sub-integrated TETRA10 elements).

7.2. Characteristics of the mesh#

Number of elements: 1918 tetrahedra and 3055 knots.

7.3. Tested sizes and results#

First calculation (MOONEY - RIVLIN)

Tested value

Instant

Reference

Type

Tolerance

Displacement \(w\)

1.0

\(-\mathrm{3,40091E-2}\)

Analytics

0.20%

We also test the constraints in the middle of the cube:

Value tested

Instant

Type

Constraint \({\mathrm{\sigma }}_{\mathit{YY}}\)

1,0

Non-regression

Constraint \({\mathrm{\sigma }}_{\mathit{ZZ}}\)

1,0

Non-regression

Second calculation (NEO - HOOKEAN)

Tested value

Instant

Reference

Type

Tolerance

Displacement \(w\)

1,0

\(-0.078180\)

Analytical

0, 30%

We also test the constraints in the middle of the cube:

Value tested

Instant

Type

Constraint \({\mathrm{\sigma }}_{\mathit{YY}}\)

1,0

Non-regression

Constraint \({\mathrm{\sigma }}_{\mathit{ZZ}}\)

1,0

Non-regression

Third calculation (SIGNORINI)

Tested value

Instant

Reference

Type

Tolerance

Displacement \(w\)

1.0

\(-0.070936\)

Analytics

0.20%

We also test the constraints in the middle of the cube:

Value tested

Instant

Type

Constraint \({\mathrm{\sigma }}_{\mathit{YY}}\)

1,0

Non-regression

Constraint \({\mathrm{\sigma }}_{\mathit{ZZ}}\)

1,0

Non-regression