Modélisation A
==============

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

Éléments POU_D_T et DIS_TR.


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


.. csv-table::

    "Nombre de nœuds", "Nombre d'éléments"
    "49", "49"


Tableau 2.2-1

Grandeurs testées et résultats
------------------------------


.. csv-table::

    "Mode", "Valeur AFNOR
    (Hz)", "Valeur Pipestress
    (Hz)", "Valeur Aster
    (Hz)", "Écart Aster-AFNOR
    (%)"
    "1", "235.3", "237.199", "237.136", "0.7802805"
    "2", "575.3", "581.255", "579.199", "0.6777334"
    "3", "1105.7", "1116.914", "1112.367", "0.6029664"
    "4", "1405.6", "1418.716", "1414.104", "0.6050085"
    "5", "1751.1", "1766.390", "1758.274", "0.4096853"
    "6", "2557", "2574.593", "2565.583", "0.3356668"
    "7", "2801.5", "2777.731", "2770.474", "1.1074781"


Tableau 2.3-1: Comparaison des fréquences

Déformée modale
---------------


.. image:: images/1000020100000420000001BC69171FEB6E4365CD.png
    :width: 6.298in
    :height: 2.648in


.. _RefImage_1000020100000420000001BC69171FEB6E4365CD.png:

**Figure** 2.4-1:Déformée modale mode 1