| ConvergenceHistory | Stores current and previous values of all convergence variables for a material recycle loop. |
| ConvergenceHistoryE | Stores current and previous energy flow values for tracking the convergence history of an energy recycle loop. |
| ConvergenceParameters | Holds the convergence tolerance parameters for a material recycle loop. |
| ConvergenceParametersE | Holds the convergence tolerance parameters for an energy recycle loop. |
| WegsteinParameters | Holds the tuning parameters for the Wegstein convergence acceleration method. |