3D city models are recommended as a source of data provision for urban energy modeling. Using a standardized data model for representing 3D city models prevent a disparity in data representation. Although CityGML is a leader amongst data model standards, it does not model all the required data for energy assessment. Therefore, CityGML Energy ADE, which is an extension of CityGML using Application Domain Extension mechanism, is developed. However, compatibility of this extension to building energy models has as far not been validated. The purpose of this thesis is a compatibility investigation of CityGML Energy ADE with three standards for heating and cooling space energy demand assessment, i.e., DIN 18599-2, ISO 13790, and VDI 6007. This purpose is met through an extensive study of data representation in CityGML, the feature of ADE, and also the data requirement and building decomposition method of the three standards. The Unified Modeling Language (UML) is used for the development of data model standards. Finally, the data models are compared to CityGML Energy ADE from two aspects, structure consistency and data coverage. Object Constraint Language (OCL), as a formal language, is also applied for expressing computational algorithms of deriving attributes defined in the data models and linking them to the corresponding attributes in CityGML Energy ADE. The thesis shows that the current version of CityGML Energy ADE does not completely meet the requirements of the three standards, neither the building structure nor the building data requirements. Changes in the structure and also easily addable data are recommended. It is shown that adding these data improve the data coverage to more than 75%. In the end, further studies on practically availability of data introduced in data models are recommended.     «

3D city models are recommended as a source of data provision for urban energy modeling. Using a standardized data model for representing 3D city models prevent a disparity in data representation. Although CityGML is a leader amongst data model standards, it does not model all the required data for energy assessment. Therefore, CityGML Energy ADE, which is an extension of CityGML using Application Domain Extension mechanism, is developed. However, compatibility of this extension to building energ...     »