Description of document versions
====================================


.. csv-table::

    "**Version** **Aster**", "**Author (s)**
    **Organization (s)**", "**Description of changes**"
    "6.3", "J. LAVERNE EDF -R&D/ AMA ", "Initial text"
    "7.2", "J. LAVERNE
    EDF -R&D/ AMA ", "Evolution of the joint element
    - addition of a second gauss point
    - addition of a 3rd internal variable: percentage of energy dissipated - Penalization of closure (contact).
    - Management: modification of criterion PRED_ELAS"
    "8.4", "J. LAVERNE
    EDF -R&D/ AMA ", "- Penalization for initial stiffness
    - addition of a 4th internal variable 4"
    "9.5", "J. LAVERNE
    EDF -R&D/ AMA ", "Addition of laws CZM_OUV_MIX and CZM_TAC_MIX"
    "10.1", "J. LAVERNE
    EDF -R&D/ AMA ", "Addition of law CZM_FAT_MIX"
    "10.4", "J. LAVERNE
    EDF -R&D/ AMA ", "Addition of law CZM_TRA_MIX, modification of the definition of the local coordinate system for IS with nautical angles (ANGL_REP) and more with Euler angles (ANGL_EULER)."
    "11.3", "Mr. David
    EDF -R&D/ AMA ", "Addition of law CZM_LAB_MIX and the keyword CINEMATIQUE"
    "12.1", "S. Michel-Ponnelle
    EDF -R&D/ AMA ", "Addition of law CZM_EXP_MIX"