C modeling
==============

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

Modeling TUYAU (SEG3)


.. image:: images/10000000000001930000017A124CD6B4776B8B1F.png
    :width: 2.6917in
    :height: 2.2693in


.. _RefImage_10000000000001930000017A124CD6B4776B8B1F.png:

Lengths in meters

Boundary conditions: points :math:`C` and :math:`H`


* :math:`\text{DDL}` beam: :math:`\mathrm{DX}=\mathrm{DY}=\mathrm{DZ}=\mathrm{DRX}=\mathrm{DRY}=\mathrm{DRZ}=0`


* :math:`\text{DDL}` case:


* :math:`\mathrm{UIm}=\mathrm{VIm}=\mathrm{WIm}=0(m=\mathrm{2,3})`


* :math:`\mathrm{UOm}=\mathrm{VOm}=\mathrm{WOm}=0(m=\mathrm{2,3})`


* :math:`\mathrm{WI1}=\mathrm{WO1}=\mathrm{WO}=0`


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

.. csv-table::

    "Number of knots:", "57"
    "Number of meshes and type:", "28 SEG3"



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

.. csv-table::

    "**Identification**", "**Move**", "**Pipe reference (** :math:`M=3` **)**", "**%**"
    "", "Point :math:`D` :math:`\mathrm{DX}` ", "—0.16517E—3", "—0.93"
    "**Own weight**", ":math:`\mathrm{DY}` ", "—0.13870E—4", "—9.80"
    "", ":math:`\mathrm{DZ}` ", "—0.80376E—5", "—0.24"
    "", "", "", ""
    "", "Point :math:`D` :math:`\mathrm{DX}` ", "—0.16445E—3", "—0.94"
    "**Nodal force**", ":math:`\mathrm{DY}` ", "—0.14245E—4", "—9.61"
    "", ":math:`\mathrm{DZ}` ", "—0.10047E—4", "—0.20"
    "", "", "", ""
    "", "Point :math:`D` :math:`\mathrm{DX}` ", "—6.3277E—3", "1.99"
    "**Expansion**", ":math:`\mathrm{DY}` ", "—13.092E—3", "0.08"
    "", ":math:`\mathrm{DZ}` ", "16.798E—3", "—0.93"



note
--------

The results obtained with*Code_Aster* are similar to those of :math:`\text{ABAQUS}` by pipe elements except for the :math:`\mathrm{DY}` displacement (natural weight and nodal force) where the difference is of the order of 10%.