IfcDuctSegmentTypeEnum

Natural language names
Duct Segment Type Enum
Énumération des types de tronçon de gaine
Semantic definitions at the type
Type definition

This enumeration is used to identify the primary purpose of a duct segment. This is a very basic categorization mechanism to generically identify the duct segment type. Subcategories of duct segments are not enumerated.

HISTORY  New enumeration in IFC2x2.
Enumeration definition
ConstantDescription
RIGIDSEGMENTA rigid segment is a continuous linear segment of duct that cannot be deformed.
FLEXIBLESEGMENTA flexible segment is a continuous non-linear segment of duct that can be deformed and change the direction of flow.
USERDEFINEDUser-defined segment.
NOTDEFINEDUndefined segment.
Formal representations
XML Specification
 <xs:simpleType name="IfcDuctSegmentTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="rigidsegment"/>
   <xs:enumeration value="flexiblesegment"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcDuctSegmentTypeEnum = ENUMERATION OF (
 RIGIDSEGMENT,
 FLEXIBLESEGMENT,
 USERDEFINED,
 NOTDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcDuctSegment IfcDuctSegmentType

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