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

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

4 BARRE elements with a full circular cross section: 4 SEG2 meshes

.. csv-table::

    "elements :math:`\mathrm{AC}` and :math:`\mathrm{BC}` ", "radius :math:`R=7.978845{10}^{-3}m` ", "(area :math:`A=2.{10}^{-4}{m}^{2}`)"
    "elements :math:`\mathrm{CD}` and :math:`\mathrm{BD}` ", "radius :math:`R=5.641895{10}^{-3}m` ", "(area :math:`A=1.{10}^{-4}{m}^{2}`)"
    "Poisson's ratio:", ":math:`\nu =0.3` ", ""


**Boundary conditions:**

DDL_IMPO =(

 _F (TOUT =' OUI ', DZ= 0.)

 _F (NOEUD =( A, B), DX= 0., DY= 0.)

)


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

Number of knots: 4

Number of meshes and types: 4 SEG2


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

**Static calculation:**

.. csv-table::

    "**Point**", "**Movement**
    **(m)**", "**Reference Type**", "**Reference**", "**Tolerance**"
    ":math:`C` "," :math:`{u}_{c}` "," ANALYTIQUE "," ", "2.6517E-04", "1.0E-04"
    "", ":math:`{v}_{c}` "," ANALYTIQUE ", "8.84E-05", "1.0E-04"
    ":math:`D` "," :math:`{u}_{D}` "," ANALYTIQUE ", "3.47902E-03", "1.0E-04"
    "", ":math:`{v}_{D}` "," ANALYTIQUE ", "—5.60084E-03", "1.0E-04"


**Harmonic calculation:**

.. csv-table::

    "**Point**", "**Field**", "**Freq.**", "**Comp**", "**Reference Type**", "**Reference**", "**Tolerance**"
    ":math:`C` "," DEPL ", "100", "100", "DX", "DX", "NON REGRESSION "," ", "4.01805E-08", "4.21987E-06J", "1.0E-06"
    ":math:`C` "," DEPL ", "100", "100", "DY", "DY", "NON REGRESSION ", "1.66019E-08-1.406541E-06J", "1.0E-03"
    ":math:`D` "," DEPL ", "100", "100", "DX", "DX", "NON REGRESSION ", "" 5.81263E-07", "5.81263E-05", "100", "100", "DX", "DX", "", "5.81263E-03"
    ":math:`D` "," DEPL ", "100", "100", "DY", "DY", "NON REGRESSION "," ", "" -9.72590E-7+8.91215E-5J", "1.0E-03"
    ":math:`D` "," VITE ", "100", "100", "DX", "DX", "NON REGRESSION ", "0.03478 + 3.652186E-04J", "1.0E-03"
    ":math:`D` "," VITE ", "100", "100", "DY", "DY", "NON REGRESSION "," -0.05599 - 6.11096E-04J", "1.0E-03"
    ":math:`D` "," ACCE ", "100", "100", "DX", "DX", "NON REGRESSION ", "-0.22947 + 21.85696j", "1.0E-03"
    ":math:`D` "," ACCE ", "100", "100", "DY", "DY", "NON REGRESSION ", "0.383963 - 35.1837j", "1.0E-03"
    ":math:`B` "," EFGE_ELNO ", "100", "N", "N", "NON REGRESSION "," -3.83891 + 331.15804j", "1.0E-03"
    ":math:`D` "," EFGE_ELNO ", "100", "N", "N", "NON REGRESSION "," -3.83891 + 331.15804j", "1.0E-03"