4. B modeling#

4.1. Characteristics of modeling#

Formulation pressure potential of displacement elements “3D_ FLUIDE “

_images/1000189000002FA50000106FC88679E06E86474F.svg

Divide =

15

meshes HEXA20selon the \(x\) axis

2

meshes HEXA20selon the \(y\) axis

2

meshes HEXA20selon the \(z\) axis

Boundary conditions:

VITE_FACE:

(GROUP_MA: Entry

VNOR: 0.014)

IMPE_FACE:

(GROUP_MA: Output

IMPE: 445.9)

Node name

\(A=\mathrm{No1}\)

\(B=\mathrm{No780}\)

\(C=\mathrm{No751}\)

\(D=\mathrm{No763}\)

4.2. Characteristics of the mesh#

Number of nodes:

471

Number of meshes and types:

60 HEXA208 QUAD8

4.3. Tested values#

Location

Reference

Reference

Tolerance

\(A\)

\(p(\mathrm{réel})\)

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

—6.2426 0.0 109.8867

0.1% 0.1% 0.1%

\(B\)

\(∣p∣\)

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

6.2426 180.0° 109.8867

0.1% 0.1% 0.1%

\(C\)

\(∣p∣\)

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

6.2426 15.2186°

0.1% 0.1% 0.1%

\(D\)

\(∣p∣\)

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

6.2426 15.2186° 109.8867

0.1% 0.1% 0.1%