IFC 4.3.2.20250327 (IFC4X3_ADD2) under development

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)
Click to show 1 hidden 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

Edit on Github


Is this page difficult to understand? Let us know!

8.19.3.2.6 Changelog

8.19.3.2.6.1 IFC4