Description of document versions ==================================== .. csv-table:: "**Version** **Aster**", "**Author (s)** **Organization (s)**", "**Description of changes**" "6.4", "P. DUPAS ", "Initial text" "8.4", "J.M. PROIX, 0. DIARD ", "Implicit changes" "9.4", "J.M. PROIX ", "Modifying keywords and internal variables" "10.1", "J.M. PROIX ", "Improving the search for the solution for cases where the damage is severe: new framing algorithm and secant method."