| Attribute | Type | Defined By |
|---|
| Name | IfcLabel (STRING) | IfcBoundaryCondition |
| LinearStiffnessByLengthX | IfcModulusOfLinearSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |
| LinearStiffnessByLengthY | IfcModulusOfLinearSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |
| LinearStiffnessByLengthZ | IfcModulusOfLinearSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthX | IfcModulusOfRotationalSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthY | IfcModulusOfRotationalSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |
| RotationalStiffnessByLengthZ | IfcModulusOfRotationalSubgradeReactionMeasure (REAL) | IfcBoundaryEdgeCondition |