| Name | Description |
|---|---|
| Active | Active. |
| ContactSideBoth | ContactSideBoth. |
| ContactSourceUnderlying | ContactSourceUnderlying. |
| ContactTargetUnderlying | ContactTargetUnderlying. |
| NodesOnSurface | NodesOnSurface. |
| SourceContactForcesProperty | SourceContactForcesProperty. |
| Unspecified | Unspecified. |