Modélisation C ============== Caractéristiques de la modélisation C ------------------------------------- Modélisation 3D. Modèle de DRUCK_PRAGER à écrouissage négatif linéaire. .. image:: images/Shape7.gif .. _RefSchema_Shape7.gif: .. csv-table:: "Nombre de nœuds", ":math:`20`", "", "", "" "Nombre de mailles", ":math:`7`", "Soit :", "", "" "", "", "", "QUAD8", ":math:`6`" "", "", "", "HEXA20", ":math:`1`" Géométrie du cube :math:`(m)` : Centre :math:`O(0.,0.,0.)` Côté :math:`C=1m` Groupes de mailles : :math:`\mathrm{BAS}` : surface du cube appartenant au plan :math:`Z=-0.5` :math:`\mathrm{HAUT}` : surface du cube appartenant au plan :math:`Z=+0.5` :math:`\mathrm{DROITE}` : surface du cube appartenant au plan :math:`Y=+0.5` :math:`\mathrm{GAUCHE}` : surface du cube appartenant au plan :math:`Y=-0.5` :math:`\mathrm{DERRIERE}` : surface du cube appartenant au plan :math:`X=-0.5` :math:`\mathrm{DEVANT}` : surface du cube appartenant au plan :math:`X=+0.5` Grandeurs testées et résultats ------------------------------ +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+ | Grandeur | Point | :math:`\mathrm{Inst}` | Référence | Tolérance (:math:`\text{\%}` ) | +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+ | :math:`\mathrm{SIXX}(\mathrm{Pa})` | A | :math:`2.0` | :math:`-2.0\mathrm{E6}` | 0.1 | +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+ | :math:`\mathrm{SIZZ}(\mathrm{Pa})` | A | :math:`1.07` | :math:`-8.09\mathrm{E6}` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.16` | :math:`-8.20\mathrm{E6}` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.34` | :math:`-6.89\mathrm{E6}` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.53` | :math:`-5.80\mathrm{E6}` | 0.1 | +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+ | :math:`\mathrm{V1}` | A | :math:`1.07` | :math:`0` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.16` | :math:`1.99E-3` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.34` | :math:`6.35E-3` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.53` | :math:`1.09E-2` | 0.1 | +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+ | :math:`\mathrm{DZ}(m)` | A | :math:`1.07` | :math:`-1.05E-3` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.16` | :math:`-2.40E-3` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.34` | :math:`-5.10E-3` | 0.1 | | | +-----------------------+--------------------------+--------------------------------+ | | | :math:`1.53` | :math:`-7.95E-3` | 0.1 | +------------------------------------+-------+-----------------------+--------------------------+--------------------------------+