8.11.2.91 IfcThermalExpansionCoefficientMeasure

IfcThermalExpansionCoeffientMeasure is a measure of the thermal expansion coefficient of a material, which expresses its elongation (as a ratio) per temperature difference. It is usually measured in 1/K. A positive elongation per (positive) rise of temperature is expressed by a positive value.

Type: REAL

HISTORY  New type in IFC2x2.

XSD Specification:

 <xs:simpleType name="IfcThermalExpansionCoefficientMeasure">
  <xs:restriction base="xs:double"/>
 </xs:simpleType>
 <xs:element name="IfcThermalExpansionCoefficientMeasure-wrapper" nillable="true">
  <xs:complexType>
   <xs:simpleContent>
    <xs:extension base="ifc:IfcThermalExpansionCoefficientMeasure">
     <xs:attributeGroup ref="ifc:instanceAttributes"/>
    </xs:extension>
   </xs:simpleContent>
  </xs:complexType>
 </xs:element>

EXPRESS Specification:

TYPE IfcThermalExpansionCoefficientMeasure = REAL;
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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