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.

{ .change-ifc2x4}

8.19.3.2.2 Entity inheritance

- IfcBoundaryCondition

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 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

IfcBoundaryCondition

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3 contributor(s):
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

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8.19.3.2.6 Changelog

8.19.3.2.6.1 IFC4

attribute LinearStiffnessByLengthX name, Changed from "LinearStiffnessByLengthX" to "TranslationalStiffnessByLengthX"
attribute LinearStiffnessByLengthX type, Changed from "IfcModulusOfLinearSubgradeReactionMeasure" to "IfcModulusOfTranslationalSubgradeReactionSelect"
attribute LinearStiffnessByLengthY name, Changed from "LinearStiffnessByLengthY" to "TranslationalStiffnessByLengthY"
attribute LinearStiffnessByLengthY type, Changed from "IfcModulusOfLinearSubgradeReactionMeasure" to "IfcModulusOfTranslationalSubgradeReactionSelect"
attribute LinearStiffnessByLengthZ name, Changed from "LinearStiffnessByLengthZ" to "TranslationalStiffnessByLengthZ"
attribute LinearStiffnessByLengthZ type, Changed from "IfcModulusOfLinearSubgradeReactionMeasure" to "IfcModulusOfTranslationalSubgradeReactionSelect"
attribute RotationalStiffnessByLengthX type, Changed from "IfcModulusOfRotationalSubgradeReactionMeasure" to "IfcModulusOfRotationalSubgradeReactionSelect"
attribute RotationalStiffnessByLengthY type, Changed from "IfcModulusOfRotationalSubgradeReactionMeasure" to "IfcModulusOfRotationalSubgradeReactionSelect"
attribute RotationalStiffnessByLengthZ type, Changed from "IfcModulusOfRotationalSubgradeReactionMeasure" to "IfcModulusOfRotationalSubgradeReactionSelect"