4. B modeling#
4.1. Characteristics of modeling#
Pressure-potential formulation \((u,p,\phi )\) on “2D_ FLUIDE “elements. The output impedance is defined by a 2D_ FLUI_ABSO model applied (option IMPE_MECA) on the GROUP_MA =” SORTIE “.
Boundary condition:
ONDE_FLUI: (GROUP_MA ='Entry', PRES =1.0)
4.2. Characteristics of the mesh#
Number of knots: |
12 |
Number of meshes and types: |
30 QUAD8 |
4.3. Tested values#
Location |
Sizes |
Reference |
PRECISION |
\(A\) |
\(p\) (picture) |
0.5 0.0 |
1.0E-3 |
\(B\) |
\(p\) (picture) |
0.5 0.0 |
1.0E-3 |
\(C\) |
\(p\) (picture) |
—0.482466 —0.131252 |
1.0E-3 |
\(D\) |
\(p\) (picture) |
—0.482466 —0.131252 |
1.0E-3 |