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<PropertySetDef xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" ifdguid="72204f80d1ed11e1800000215ad4efdf" templatetype="PSET_MATERIALDRIVEN" xsi:noNamespaceSchemaLocation="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd" xmlns="http://buildingSMART-tech.org/xml/psd/PSD_IFC4.xsd">
  <IfcVersion version="IFC4X4" />
  <Name>Pset_MaterialMechanical</Name>
  <Definition>A set of mechanical material properties normally used for structural analysis purpose. It contains all properties which are independent of the actual material type.</Definition>
  <Applicability />
  <ApplicableClasses>
    <ClassName>IfcMaterial</ClassName>
  </ApplicableClasses>
  <ApplicableTypeValue>IfcMaterial</ApplicableTypeValue>
  <PropertyDefs>
    <PropertyDef ifdguid="764c6d00d1ed11e1800000215ad4efdf">
      <Name>DynamicViscosity</Name>
      <Definition>A measure of the viscous resistance of the material.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcDynamicViscosityMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Dynamic Viscosity</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="7b112100d1ed11e1800000215ad4efdf">
      <Name>YoungModulus</Name>
      <Definition>A measure of the Young's modulus of elasticity of the material.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcModulusOfElasticityMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Young Modulus</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="806e6b80d1ed11e1800000215ad4efdf">
      <Name>ShearModulus</Name>
      <Definition>A measure of the shear modulus of elasticity of the material.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcModulusOfElasticityMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Shear Modulus</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="85331f80d1ed11e1800000215ad4efdf">
      <Name>PoissonRatio</Name>
      <Definition>A measure of the lateral deformations in the elastic range.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcPositiveRatioMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Poisson Ratio</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
    <PropertyDef ifdguid="8b290080d1ed11e1800000215ad4efdf">
      <Name>ThermalExpansionCoefficient</Name>
      <Definition>Quantity characterizing the variation with thermodynamic temperature T of the distance l between two points of a body, under given conditions (IEC 113-04-27). The ratio is defined per Kelvin.</Definition>
      <PropertyType>
        <TypePropertySingleValue>
          <DataType type="IfcThermalExpansionCoefficientMeasure" />
        </TypePropertySingleValue>
      </PropertyType>
      <NameAliases>
        <NameAlias lang="en">Thermal Expansion Coefficient</NameAlias>
      </NameAliases>
      <DefinitionAliases>
        <DefinitionAlias lang="en" />
      </DefinitionAliases>
    </PropertyDef>
  </PropertyDefs>
  <PsetDefinitionAliases>
    <PsetDefinitionAlias lang="en" />
  </PsetDefinitionAliases>
</PropertySetDef>