4. B modeling#

4.1. Characteristics of modeling#

We use a DKT model.

4.2. Characteristics of the mesh#

The mesh contains 2500 elements of type QUAD4.

4.3. Tested sizes and results#

We test the displacement along the \(Z\) axis and the moment \(\mathit{MXX}\) at the center of the plate (point \(A\)).

Identification

Reference type

Reference value

Tolerance

DEPL

\(X(\mathit{cm})\)

\(\mathit{DZ}\)

\(0.0\)

“SOURCE_EXTERNE”

\(0.14712\)

\(0.1\)

Identification

Reference type

Reference value

Tolerance

EFGE_ELNO

\(X(\mathit{cm})\)

\(\mathit{MXX}\)

\(1.0\)

“SOURCE_EXTERNE”

\(103.80\)

\(3.5\)

Stress is tested on the lower, middle and upper skin in 2 layers.

  • Layer 1: \(\mathrm{-}\mathrm{0.125cm}<Z<\mathrm{-}\mathrm{0.089cm}\)

Dot/Mesh

Diaper

Size

Reference type

Reference value

Tolerance

\(A(\mathit{M2700})\)

\(\mathit{INF}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(9653.560\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(9653.560\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.064\)

\({10}^{\mathrm{-}6}\)

\(\mathit{MOY}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(8274.480\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(8274.480\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.055\)

\({10}^{\mathrm{-}6}\)

\(\text{SUP}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(6895.400\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(6895.400\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.046\)

\({10}^{\mathrm{-}6}\)

  • Layer #7: \(\mathrm{0.089cm}<Z<\mathrm{0.125cm}\)

Dot/Mesh

Diaper

Size

Reference type

Reference value

Tolerance

\(A(\mathit{M2700})\)

\(\mathit{INF}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(\mathrm{-}6895.400\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(\mathrm{-}6895.400\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.046\)

\({10}^{\mathrm{-}6}\)

\(\mathit{MOY}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(\mathrm{-}8274.480\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(\mathrm{-}8274.480\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.055\)

\({10}^{\mathrm{-}6}\)

\(\text{SUP}\)

\(\mathit{SIXX}\)

“NON_DEFINI”

\(\mathrm{-}9653.560\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIYY}\)

“NON_DEFINI”

\(\mathrm{-}9653.560\)

\({10}^{\mathrm{-}4}\text{\%}\)

\(\mathit{SIXY}\)

“NON_DEFINI”

\(\mathrm{-}0.064\)

\({10}^{\mathrm{-}6}\)