Modeling A
==============


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

For the 3D system on which the added coefficients are calculated:


.. csv-table::

    "Cylinder:", "2400 meshes QUAD4
    shell elements MEDKQU4"
    "", "12 stitches SEG2
    spring elements MECA_DIS_T_L"
    "", ""
    "Fluid:", "3600 meshes QUAD4"
    "", "thermal elements THER_FACE4"
    "", "on cylindrical surfaces"
    "", ""
    "", "7200 meshes HEXA8"
    "", "thermal elements THER_HEXA8"
    "", "in the fluid annular volume"



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


.. csv-table::

    "", "**Analytical frequencies in air (** :math:`\mathrm{Hz}` **)**"
    "", ""
    "**First mode in air**", "0.497"
    "**Second mode in air**", "5.263"
    "", ""
    "", "**Theoretical added mass**
    **(** :math:`\mathrm{kg}` **)**) **"
    "", ""
    ":math:`{M}^{11}` ", "1.753 106"
    ":math:`{M}^{22}` ", "2.675 106"
    "", ""
    "", "**Analytical frequencies of water modes (** :math:`\mathrm{Hz}` **)**"
    "", ""
    "**First water mode**", "0.365"
    "**Second water mode**", "4.004"