IfcBoundaryCondition

BACnet MVD

#### IfcBoundaryCondition

Natural language names

| Randbedingung
| Boundary Condition
| Condition de limite

##### Semantic definitions at the entity

Entity definition

The abstract entity IfcBoundaryCondition is the supertype of all boundary conditions that can be applied to structural connection definitions, either directly for the connection (e.g. the joint) or for the relation between a structural member and the connection.

> NOTE The boundary conditions are used within other parts, mainly by instances of IfcStructuralConnection (for the definition of supports) and instances of IfcRelConnectsStructuralMember (for the definition of connections between structural members and structural connections).

> HISTORY New entity in IFC2x2.

Attribute definitions

# | Attribute | Type | Cardinality | Description | B
--- | --- | --- | --- | --- | ---
1 | Name | IfcLabel | ? | Optionally defines a name for this boundary condition. |  | X

##### Inherited definitions from supertypes

Entity inheritance
Attribute inheritance

# | Attribute | Type | Cardinality | Description | B
--- | --- | --- | --- | --- | ---
IfcBoundaryCondition
1 | Name | IfcLabel | ? | Optionally defines a name for this boundary condition. |  | X

##### Formal representations

XML Specification
`<xs:element name="IfcBoundaryCondition" type="ifc:IfcBoundaryCondition" abstract="true" substitutionGroup="ifc:Entity" nillable="true"/>
<xs:complexType name="IfcBoundaryCondition" abstract="true">
<xs:complexContent>
<xs:extension base="ifc:Entity">
<xs:attribute name="Name" type="ifc:IfcLabel" use="optional"/>
</xs:extension>
</xs:complexContent>
</xs:complexType>
`
EXPRESS Specification
`ENTITY IfcBoundaryCondition
ABSTRACT SUPERTYPE OF(ONEOF(IfcBoundaryEdgeCondition, IfcBoundaryFaceCondition, IfcBoundaryNodeCondition));
Name : OPTIONAL IfcLabel;
END_ENTITY;

EXPRESS-G diagram

`

References: IfcRelConnectsStructuralMember IfcStructuralConnection

Link to this page