IFC 4.3.0.1 (IFC4X3) development

8.19.3.4 IfcBoundaryNodeCondition

8.19.3.4.1 Semantic definition

Describes linearly elastic support conditions or connection conditions.

Applicability:

  • Point supports and connections.

8.19.3.4.2 Entity inheritance

8.19.3.4.3 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
IfcBoundaryNodeCondition (6)
2 TranslationalStiffnessX OPTIONAL IfcTranslationalStiffnessSelect

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

3 TranslationalStiffnessY OPTIONAL IfcTranslationalStiffnessSelect

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

4 TranslationalStiffnessZ OPTIONAL IfcTranslationalStiffnessSelect

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

5 RotationalStiffnessX OPTIONAL IfcRotationalStiffnessSelect

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

6 RotationalStiffnessY OPTIONAL IfcRotationalStiffnessSelect

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

7 RotationalStiffnessZ OPTIONAL IfcRotationalStiffnessSelect

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

Table 8.19.3.4.A

8.19.3.4.4 Formal representation

ENTITY IfcBoundaryNodeCondition
 SUPERTYPE OF (ONEOF
	(IfcBoundaryNodeConditionWarping))
 SUBTYPE OF (IfcBoundaryCondition);
	TranslationalStiffnessX : OPTIONAL IfcTranslationalStiffnessSelect;
	TranslationalStiffnessY : OPTIONAL IfcTranslationalStiffnessSelect;
	TranslationalStiffnessZ : OPTIONAL IfcTranslationalStiffnessSelect;
	RotationalStiffnessX : OPTIONAL IfcRotationalStiffnessSelect;
	RotationalStiffnessY : OPTIONAL IfcRotationalStiffnessSelect;
	RotationalStiffnessZ : OPTIONAL IfcRotationalStiffnessSelect;
END_ENTITY;

8.19.3.4.5 References

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8.19.3.4.6 Changelog