B modeling
==============


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

3D volume element HEXA8


.. image:: images/10000000000001C60000019E114E1BC71CC0CCD2.png
    :width: 3.2661in
    :height: 2.8752in


.. _RefImage_10000000000001C60000019E114E1BC71CC0CCD2.png:

**Modeling a quarter of the sphere in HEXA8.**


.. csv-table::

    "Node names:", "", "", ""
    "Point :math:`\mathit{A1}` "," :math:`\mathit{N40}` ", "Point :math:`\mathit{A2}` "," :math:`\mathit{N42}`"
    "Point :math:`\mathit{B1}` "," :math:`\mathit{N01}` ", "Point :math:`\mathit{B2}` "," :math:`\mathit{N02}`"
    "Point :math:`\mathit{C1}` "," :math:`\mathit{N662}` ", "Point :math:`\mathit{C2}` "," :math:`\mathit{N658}`"



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

Number of knots: 662

Number of meshes and types: 300 HEXA8 for the sphere and 300 QUAD4 for the outer surface.


Test values and B modeling results
-------------------------------------------------


.. csv-table::

    "**Identification**", "**Reference**", "**Aster**", "**% difference**"
    "Point :math:`\mathit{A2}`
    displacement :math:`u` ", "—1.28279.10—5", "—1.28298.10—5", "0.015"
    "Point :math:`\mathit{B2}`
    displacement :math:`v` ", "—1.28279.10—5", "—1.28298.10—5", "0.015"
    "Point :math:`\mathit{C2}`
    displacement :math:`w` ", "—1.28279.10—5", "—1.28662.10—5", "0.30"