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


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

Modeling COQUE_3D

Element MEC3QU9H (3D solid shell) - Regular mesh


.. image:: images/Object_11.svg
    :width: 291
    :height: 126


.. _RefImage_Object_11.svg:


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

Number of knots: 320

Number of meshes and type: 64 QUAD9

The mesh is half as fine as that of the reference solution.


Tested features
-----------------------


* COQUE_3D modeling in geometric nonlinear.


* The static algorithm for updating large rotations GROT_GDEP from STAT_NON_LINE.


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

**History of vertical displacement** :math:`\mathit{DZ}` **at the loaded node**


.. csv-table::

    "**Instant**", "**Surface Force** :math:`\mathit{fz}` ", "**Reference**"
    "0.2", "0.2", "—1.043E—01"
    "0.4", "0.4", "—3.935E—01"



notes
---------

The default value of COEF_RIGI_DRZ = :math:`0.00001` was chosen (value generally used in linear analysis).