Modélisation G
==============


Caractéristiques de la modélisation
-----------------------------------

Formulation pression éléments 3D 'ACOUSTIQUE'


.. image:: images/1000000000000162000000C895179413E215C669.png
    :width: 4.3854in
    :height: 1.7083in


.. _RefImage_1000000000000162000000C895179413E215C669.png:


.. csv-table::

    "Découpage =", "30", "mailles HEXA8selon l'axe des :math:`x`"
    "", "4", "mailles HEXA8selon l'axe des :math:`y`"
    "", "4", "mailles HEXA8selon l'axe des :math:`z`"



.. csv-table::

    "Conditions limites :", "", "", ""
    "", "VITE_FACE:", "(Group_ma: velo", "Vnor: RI 0.014 0.)"
    "", "IMPE_FACE:", "(Group_ma: impe", "Impe: RI 445.9 0.)"



.. csv-table::

    "Nom des nœuds", ":math:`A=\mathrm{No69}`", ":math:`B=\mathrm{No95}`", ":math:`C=\mathrm{No65}`", ":math:`D=\mathrm{No876}`"



Caractéristiques du maillage
----------------------------


.. csv-table::

    "Nombre de nœuds :", "775"
    "Nombre de mailles et types :", "480 HEXA832 QUAD4"



Valeurs testées
---------------


.. csv-table::

    "**Localisation**", "**Grandeurs**", "**Référence**", "**tolérance**"
    ":math:`A`", ":math:`p(\mathrm{réel},\mathrm{imag})`
    Intensité_Acou", "(–6.2426,0.0000)
    0.0437", "0.3%
    3%"
    ":math:`B`", ":math:`p(\mathrm{réel},\mathrm{imag})`
    Intensité_Acou", "(–6.2426,0.0000)
    0.0437", "0.3%
    3%"
    ":math:`C`", ":math:`p(\mathrm{réel},\mathrm{imag})`
    Intensité_Acou", "(6.0237,1.6387)
    0.0437", "4%
    3%"
    ":math:`D`", ":math:`p(\mathrm{réel},\mathrm{imag})`
    Intensité_Acou", "(6.0237,1.6387)
    0.0437", "4%
    3%"



.. csv-table::

    "", "", "", "", "**Fréquence**", ""
    "**Ordre du mode propre** :math:`i`", ":math:`m`", ":math:`n`", ":math:`p`", "**Référence**", "**tolérance**"
    "2
    3
    4
    5
    6
    7
    8
    9", "1
    2
    3
    4
    5
    0
    1
    2", "0
    0
    0
    0
    0
    0
    0
    0", "0
    0
    0
    0
    0
    1
    1
    1", "171.5
    343.0
    514.5
    686.0
    857.5
    857.5
    874.482
    923.556", "0.1%
    0.2%
    0.5%
    1%
    2%
    3%
    3%
    3%"