public interface IHeadLossStructure| HeadLossFreeOverflowNegativeFlow | Free overflow factor for negative flow. Unit: [] Default: 1 |
| HeadLossFreeOverflowPositiveFlow | Free overflow factor for positive flow. Unit: [] Default: 1 |
| HeadLossInflowNegativeFlow | Inflow head loss factor for negative flow. Unit: [] Default: 0.5 |
| HeadLossInflowPositiveFlow | Inflow head loss factor for positive flow. Unit: [] Default: 0.5 |
| HeadLossOutflowNegativeFlow | Outflow head loss factor for negative flow. Unit: [] Default: 1 |
| HeadLossOutflowPositiveFlow | Outflow head loss factor for positive flow. Unit: [] Default: 1 |
| StructureIterationCentering | Used when making relaxation when iterating to find the subcritical solution for structures solved using the energy equation. When it equals 1 no relaxation is made. |