Modélisation B
==============


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

Élément DKT maillage plus grossier


.. image:: images/10001252000013890000149137E14AF4A2B57484.svg
    :width: 252
    :height: 265


.. _RefImage_10001252000013890000149137E14AF4A2B57484.svg:

Élancement des éléments: :math:`\frac{a}{4t}=50` .

**Conditions limites:**

en tous les nœuds :math:`P` du côté :math:`\mathrm{Xp}=0.` :

DDL_IMPO: ( GROUP_NO: COTE DX:0., DY:0., DZ: 0., DRY: 0. )


.. csv-table::

    "**Nom des nœuds:**", "Point :math:`1` = :math:`\mathrm{N1}`"
    "", "Point :math:`\mathrm{25 }` = :math:`\mathrm{N25}`"



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


.. csv-table::

    "Nombre de nœuds:", "25"
    "Nombre de mailles et types:", "32TRIA3"



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

**Fréquence (** :math:`\mathrm{Hz}` **)**


.. csv-table::

    "**Ordre du mode propre**", "**Référence**", "**Test NAFEMS**", "**Aster**", "**% différence**"
    "", "NAFEMS", "", "", ""
    "1", "0.421", "0.4174", "0.4165", "–1.07"
    "2", "1.029", "1.020", "1.0301", "0.11"
    "3", "2.582", "2.564", "2.5793", "–0.10"
    "4", "3.306", "3.302", "3.2572", "–1.47"
    "5", "3.753", "3.769", "3.7397", "–0.35"
    "6", "6.555", "6.805", "6.4544", "–1.54"
    "", "Test 0", "", "", ""
    "7", "7.3756", "", "7.2821", "–1.27"
    "8", "7.7332", "", "7.6852", "–0.62"
    "9", "8.5567", "", "8.3764", "–2.11"
    "10", "11.1199", "", "10.7209", "–3.59"
    "11", "11.6474", "", "11.2904", "–3.06"
    "12", "14.3531", "", "13.7573", "–4.16"



Remarques
---------

Calculs effectués par:


.. code-block:: text
CALC_MODES
OPTION = 'PLUS_PETITE'
CALC_FREQ=_F(NMAX_FREQ = 12)
SOLVEUR_MODAL=_F(METHODE = 'JACOBI')


Contenu du fichier résultats
----------------------------

12 premières fréquences propres, vecteurs propres et paramètres modaux.