IFC 4.3.0.1 (IFC4X3_TC1)

8.19.3.2 IfcBoundaryEdgeCondition

8.19.3.2.1 Semantic definition

Describes linearly elastic support conditions or connection conditions.

Applicability:

  • Curve supports and connections.

8.19.3.2.2 Entity inheritance

8.19.3.2.3 Attributes

# Attribute Type Description
IfcBoundaryCondition (1)
1 Name OPTIONAL IfcLabel

Optionally defines a name for this boundary condition.

Click to show 1 hidden inherited attributes Click to hide 1 inherited attributes
IfcBoundaryEdgeCondition (6)
2 TranslationalStiffnessByLengthX OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect

Translational stiffness value in x-direction of the coordinate system defined by the instance which uses this resource object.

3 TranslationalStiffnessByLengthY OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect

Translational stiffness value in y-direction of the coordinate system defined by the instance which uses this resource object.

4 TranslationalStiffnessByLengthZ OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect

Translational stiffness value in z-direction of the coordinate system defined by the instance which uses this resource object.

5 RotationalStiffnessByLengthX OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect

Rotational stiffness value about the x-axis of the coordinate system defined by the instance which uses this resource object.

6 RotationalStiffnessByLengthY OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect

Rotational stiffness value about the y-axis of the coordinate system defined by the instance which uses this resource object.

7 RotationalStiffnessByLengthZ OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect

Rotational stiffness value about the z-axis of the coordinate system defined by the instance which uses this resource object.

Table 8.19.3.2.A

8.19.3.2.4 Formal representation

ENTITY IfcBoundaryEdgeCondition
 SUBTYPE OF (IfcBoundaryCondition);
	TranslationalStiffnessByLengthX : OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect;
	TranslationalStiffnessByLengthY : OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect;
	TranslationalStiffnessByLengthZ : OPTIONAL IfcModulusOfTranslationalSubgradeReactionSelect;
	RotationalStiffnessByLengthX : OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect;
	RotationalStiffnessByLengthY : OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect;
	RotationalStiffnessByLengthZ : OPTIONAL IfcModulusOfRotationalSubgradeReactionSelect;
END_ENTITY;

8.19.3.2.5 References

8.19.3.2.6 Changelog

8.19.3.2.6.1 IFC4