D modeling
==============


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

Shell element DST


.. image:: images/1000020000000224000000979E79907C7992DC0B.png
    :width: 5.7091in
    :height: 1.5752in


.. _RefImage_1000020000000224000000979E79907C7992DC0B.png:


.. csv-table::

    "Cutting:", "12 in length", "4 in width:", "48 stitches QUAD4"
    "", "", "with symmetry with respect to axis :math:`\mathit{Ox}`"
    "Slender", "transversal", ":math:`b\mathrm{/}\mathrm{4t}\mathrm{=}5` ", ""
    "", "longitudinal", ":math:`L\mathrm{/}\mathrm{12t}\mathrm{=}20` ", ""


2 load cases

1) Opposing forces

2) Forces of the same meaning


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

Number of knots: 65

Number of meshes and types: 48 QUAD4


Tested sizes and results
------------------------------


+-----------------+---------+-----------------------------------+-------------+------------------+-------------+
|**Charging case**|**Point**|**Size and unit**                  |**Reference**|**Reference type**|**Tolerance**|
+-----------------+---------+-----------------------------------+-------------+------------------+-------------+
|1                |:math:`B`|Displacement :math:`\mathit{DZ}(m)`|—3.537 10—6  |'ANALYTIQUE'      |0.5%         |
+                 +---------+-----------------------------------+-------------+------------------+-------------+
|                 |:math:`E`|Displacement :math:`\mathit{DZ}(m)`|0            |'ANALYTIQUE'      |1.0E-12      |
+                 +---------+-----------------------------------+-------------+------------------+-------------+
|                 |:math:`C`|Displacement :math:`\mathit{DZ}(m)`|3.537 10—6   |'ANALYTIQUE'      |0.5%         |
+-----------------+---------+-----------------------------------+-------------+------------------+-------------+
|2                |:math:`B`|Displacement :math:`\mathit{DZ}(m)`|1.1059 10—3  |'ANALYTIQUE'      |1%           |
+                 +---------+-----------------------------------+-------------+------------------+-------------+
|                 |:math:`E`|Displacement :math:`\mathit{DZ}(m)`|1.1059 10—3  |'ANALYTIQUE'      |1%           |
+                 +---------+-----------------------------------+-------------+------------------+-------------+
|                 |:math:`C`|Displacement :math:`\mathit{DZ}(m)`|1.1059 10—3  |'ANALYTIQUE'      |1%           |
+-----------------+---------+-----------------------------------+-------------+------------------+-------------+