Eckstädt, ElisabethElisabethEckstädtLiersch, ClaudiaClaudiaLierschHentschel, AlexanderAlexanderHentschelHoch, RenéRenéHochBorchert, DannyDannyBorchertKhalili, MiladMiladKhalili2023-06-062023-06-062022-09-20https://publica.fraunhofer.de/handle/publica/44256710.26868/29761662.2022.17Three different workflows for creating High Order building models from IFC files are described, with a particular focus on processing the geometry of neighborhood relationships (IfcRelSpaceBoundary). Common challenges and requirements for IFC files are described.enGreenCityModelicaNANDRADSimulationXSimVICUSBIM HVACToolAX3000AllplanEnergyPlusIDFFMIFMUBIM2SIMIfcOpenShellSpaceBoundariesDDC::000 Informatik, Informationswissenschaft, allgemeine Werkeconference paper