B modeling
==============


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

3D Modeling_ FAISCEAU

Boundary conditions:

**Case with fluid:**


.. code-block:: text
 DDL_IMPO: (GROUP_MA: Sb DX: 0 DY: 0 DY: 0 DZ: 0 DRX: 0 DRY: 0 DRZ: 0
GROUP_MA: Sh DZ: 0 DRX: 0:0 DRY: 0 DRZ: 0
NOEUD N1: PHI: 0)
LIAISON_UNIF: (GROUP_MA: Sh
DDL: 'DX')
LIAISON_UNIF: (GROUP_MA: Sh
DDL: 'DY')


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

The mesh of the homogenized medium used, for both cases: with or without fluid, is represented by [:ref:`fig 5.2-a <fig 5.2-a>`].

It has 48 HEXA20 stitches.

The mesh contains 9 lines parallel to the average fiber of each beam.


.. image:: images/1000076A00000E0E00000E290DED5997C25C13AD.svg
    :width: 181
    :height: 182


.. _RefImage_1000076A00000E0E00000E290DED5997C25C13AD.svg:

**Figure 5.2-a: mesh**


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

**Case with fluid:**


.. csv-table::

    "**Order Number**", "**Size and Unit**", "**Reference**"
    "1 and 2", "frequency :math:`(\mathrm{Hz})` ", "0.6908"
    "19 and 20", "frequency :math:`(\mathrm{Hz})` ", "3.7871"



.. csv-table::

    "**Size and unit**", "**Reference**"
    "Mass (:math:`\mathrm{kg}`)", "12695.076"
    "Inertia :math:`{I}_{\mathrm{xx}}` in :math:`G` ", "18530.155"
    "Inertia :math:`{I}_{\mathrm{zz}}` in :math:`G` ", "1492.941"