J modeling
==============


Characteristics of modeling
-----------------------------------

Formulation pressure 3D elements' ACOUSTIQUE '


.. image:: images/100000000000015F000000C7F8CC720226986500.png
    :width: 5.7882in
    :height: 1.8835in


.. _RefImage_100000000000015F000000C7F8CC720226986500.png:


.. csv-table::

    "Divide =", "15", "meshes TETRA10selon the :math:`x` axis"
    "", "2", "meshes TETRA10selon the :math:`y` axis"
    "", "2", "meshes TETRA10selon the :math:`z` axis"



.. csv-table::

    "Boundary conditions:", "", ""
    "", "VITE_FACE:", "(group_MA: bike", "Vnor: RI 0.014 0.0.)"
    "", "IMPE_FACE:", "(group_MA: impe", "Impe: RI 445.9 0.)"



.. csv-table::

    "Node name", ":math:`A=\mathrm{No4}` "," :math:`B=\mathrm{No76}` "," "," :math:`C=\mathrm{No7}` "," :math:`D=\mathrm{No73}`"



Characteristics of the mesh
----------------------------


.. csv-table::

    "Number of knots:", "870"
    "Number of meshes and types:", "421 TETRA1016 TRIA6"



Tested values
---------------


.. csv-table::

    "**Location**", "**Sizes**", "**Reference**", "**Tolerance**"
    ":math:`A` "," :math:`p(\mathrm{réel},\mathrm{imag})`
    Intensity_Acou", "(—6.2426,0.0000)
    0.0437", "0.3%
    3%"
    ":math:`B` "," :math:`p(\mathrm{réel},\mathrm{imag})`
    Intensity_Acou", "(—6.2426,0.0000)
    0.0437", "0.3%
    4%"
    ":math:`C` "," :math:`p(\mathrm{réel},\mathrm{imag})`
    Intensity_Acou", "(6.0237,1.6387)
    0.0437", "0.2%
    2%"
    ":math:`D` "," :math:`p(\mathrm{réel},\mathrm{imag})`
    Intensity_Acou", "(6.0237,1.6387)
    0.0437", "0.2%
    3%"



.. csv-table::

    "", "", "", "", "", "**Frequency**", ""
    "**Clean mode order** :math:`i` "," :math:`m` "," "," :math:`n` "," "," :math:`p` ", "**reference**", "**tolerance**"
    "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", "0.01%
    0.01%
    0.01%
    0.1%
    0.1%
    0.5%
    0.5%
    0.5%"