IfcGeoScienceModelTypeEnum

Item	SPF	XML	Change	Description
IFC4X3_ADD2 to IFC4X4_draft
IfcGeoScienceModelTypeEnum			ADDED

Semantic definitions at the type

Type definition

Defines the different predefined types of geoscience models that can specify an IfcGeoScienceModel.

Enumeration definition

Constant	Description
GEOTECHMODEL	Model with project and design-task specific geotechnical classification (e.g. material with similar characteristics regarding geomechanical properties or excavation)
HYDROGEOMODEL	Model of hydrogeological conditions with parameters like permeability and definition of boundary conditions for hydrogeological modelling.
GEOLOGYMODEL	Model of geological structure as considered relevant for the project, as a base for the definition of building- and design-related geotechnical models, hydrogeological models and GeoHazardModel
GEOTECHSYNTHESISMODEL	Link between the design and modelled geology and geotechnical conditions: summarized interpretation with regard to building, construction method,… in relation to a section of the alignment or building structure. Typical definition of "baseline conditions" as usually included in a geotech. longitudinal section
PHYSICALPROPERTYDISTIBUTIONMODEL	Additional option (alternative to discrete models) to describe a +/- continuous spatial distribution of any physical properties (geotechnical key-parameters, permeabilty, likelyhood of. e.g. a fault or any other uncertainty-related information)
GEOHAZARDMODEL	Model of natural ("geogenic") hazards like rock fall, avalanches, seismicity,...
USERDEFINED	User-defined type.
NOTDEFINED	Undefined type.

Formal representations

XML Specification

 <xs:simpleType name="IfcGeoScienceModelTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="geotechmodel"/>

   <xs:enumeration value="hydrogeomodel"/>

   <xs:enumeration value="geologymodel"/>

   <xs:enumeration value="geotechsynthesismodel"/>

   <xs:enumeration value="physicalpropertydistibutionmodel"/>

   <xs:enumeration value="geohazardmodel"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcGeoScienceModelTypeEnum = ENUMERATION OF (

 GEOTECHMODEL, 
 HYDROGEOMODEL, 
 GEOLOGYMODEL, 
 GEOTECHSYNTHESISMODEL, 
 PHYSICALPROPERTYDISTIBUTIONMODEL, 
 GEOHAZARDMODEL, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram