## 5.4.3.45.1 Semantic definition

The IfcRelAdheresToElement is an objectified relationship between an element and one to many surface feature elements that adhere to the surface of the element. The relationship is defined to be a 1 to many relationship. The IfcRelAdheresToElement establishes an aggregation relationship between the main element and a sub ordinary surface feature.

The IfcRelAdheresToElement implies a surface interface between the geometric bodies of the element and the surface feature . As with all decomposition relationships it determines:

## 5.4.3.45.5 Formal representation

ENTITY IfcRelAdheresToElement
SUBTYPE OF (IfcRelDecomposes);
RelatingElement : IfcElement;
RelatedSurfaceFeatures : SET [1:?] OF IfcSurfaceFeature;
END_ENTITY;