IFC 4.3.0.0 (IFC4X3) final

7.10.4.1 Pset_StructuralSurfaceMemberVaryingThickness

7.10.4.1.1 Semantic definition

Thickness parameters of a surface member (structural analysis item) with varying thickness, particularly with linearly varying thickness. The thickness is interpolated/ extrapolated from three points. The locations of these points are given either in local x,y coordinates of the surface member or in global X,Y,Z coordinates. Either way, these points are required to be located within the face or at the bounds of the face of the surface member, and they must not be located on a common line. Local and global coordinates shall not be mixed within the same property set instance.

7.10.4.1.2 Applicable entities

7.10.4.1.3 Properties

Name Property Type Data Type Description
Thickness1 IfcPropertySingleValue IfcPositiveLengthMeasure

First thickness parameter of a surface member with varying thickness

Location1Local IfcPropertyListValue IfcLengthMeasure

Local x,y coordinates of the point in which Thickness1 is given

Location1Global IfcPropertyListValue IfcLengthMeasure

Global X,Y,Z coordinates of the point in which Thickness1 is given

Thickness2 IfcPropertySingleValue IfcPositiveLengthMeasure

Second thickness parameter of a surface member with varying thickness

Location2Local IfcPropertyListValue IfcLengthMeasure

Local x,y coordinates of the point in which Thickness2 is given

Location2Global IfcPropertyListValue IfcLengthMeasure

Global X,Y,Z coordinates of the point in which Thickness2 is given

Thickness3 IfcPropertySingleValue IfcPositiveLengthMeasure

Third thickness parameter of a surface member with varying thickness

Location3Local IfcPropertyListValue IfcLengthMeasure

Local x,y coordinates of the point in which Thickness3 is given

Location3Global IfcPropertyListValue IfcLengthMeasure

Global X,Y,Z coordinates of the point in which Thickness3 is given

Table 7.10.4.1.A

7.10.4.1.4 Changelog

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