5. D modeling#

5.1. Characteristics of modeling#

Formulation: pressure: potential displacement of elements “2D_ FLUIDE “

_images/1000085A0000367800000D20A5036F20EEB683A3.svg

Divide =

15

meshes QUAD8selon the \(x\) axis

2

meshes QUAD8selon the \(y\) axis

Boundary conditions:

VITE_FACE:

(GROUP_MA: Entry

VNOR: 0.014)

IMPE_FACE:

(GROUP_MA: Output

IMPE: 445.9)

Node name

\(A=\mathrm{No1}\)

\(B=\mathrm{No780}\)

\(C=\mathrm{No151}\)

\(D=\mathrm{No153}\)

5.2. Characteristics of the mesh#

Number of knots:

125

Number of meshes and types:

30 QUAD84 SEG3

5.3. Tested values#

Location

Sizes

Reference

% difference

\(A\)

\(p(\mathrm{réel})\)

\(p(\mathrm{imag})\) \(p(\mathrm{dB})\)

—6.2426 0.0 109.8867

0.1% 0.1% 0.1%

\(B\)

\(p(\mathrm{réel})\)

\(p(\mathrm{imag})\) \(p(\mathrm{dB})\)

—6.2426 0.0 109.8867

0.1% 0.1% 0.1%

\(C\)

\(p(\mathrm{réel})\)

\(p(\mathrm{imag})\) \(p(\mathrm{dB})\)

6.0237 1.6387 109.8867

0.1% 0.1% 0.1%

\(D\)

\(p(\mathrm{réel})\)

\(p(\mathrm{imag})\) \(p(\mathrm{dB})\)

6.0237 1.6387 109.8867

0.1% 0.1% 0.1%