IFC 4.3.0.1 (IFC4X3) development

8.10.3.17 IfcMaterialRelationship

8.10.3.17.1 Semantic definition

IfcMaterialRelationship defines a relationship between part and whole in material definitions (as in composite materials). The parts, expressed by the set of RelatedMaterials, are material constituents of which a single material aggregate is composed.

8.10.3.17.2 Entity inheritance

8.10.3.17.3 Attributes

# Attribute Type Description
IfcResourceLevelRelationship (2)
1 Name OPTIONAL IfcLabel

A name used to identify or qualify the relationship.

2 Description OPTIONAL IfcText

A description that may apply additional information about the relationship.

Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes
IfcMaterialRelationship (3)
3 RelatingMaterial IfcMaterial

Reference to the relating material (the composite).

4 RelatedMaterials SET [1:?] OF IfcMaterial

Reference to related materials (as constituents of composite material).

5 MaterialExpression OPTIONAL IfcLabel

No description available.

Table 8.10.3.17.A

8.10.3.17.4 Formal representation

ENTITY IfcMaterialRelationship
 SUBTYPE OF (IfcResourceLevelRelationship);
	RelatingMaterial : IfcMaterial;
	RelatedMaterials : SET [1:?] OF IfcMaterial;
	MaterialExpression : OPTIONAL IfcLabel;
END_ENTITY;

8.10.3.17.5 References

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8.10.3.17.6 Changelog

  • New resource
  • attribute Expression name, Changed from "Expression" to "MaterialExpression"