building energy modeling - architects tools - use of Revit to create gbxml file and load simulation software

1. Design Performance - Software employed Gensler

3. Revit 2009 - output to Greenbuildingstudio gbXML file GREENBUILDINGSTUDIO Gensler

4. Revit model for gbXML - Rooms to fill all of the space - Build perimeter wall full height - Then add Curtain Wall as ‘embedded’ object - Create room in non occupied space, otherwise you create exterior space - Plenum spaces can be modeled as rooms lower than 6’8” are accounted for non occupied - On top create roof no ceiling - Exterior shades cannot be generic models - Rooms to be surrounded on 4 sides by bounding elements Gensler

5. Revit model for gbXML - Viewer for gbXML: Cortona - Freeware lauched though GBS - Cool graphics - Mediocre readibility Gensler VERIFICATION TOOLS

6. Revit model for gbXML - import - Wireframe model - Rooms come in as ‘zones’ - Isolating via ‘zone’ management Gensler ECOTECT AS VIEWER

7. Revit model for gbXML - Render mode gives good picture - In this case a curtainwall grid seems to be missing - The culprit was in fact that there was a left over room separation line letting the room not touch the curtain wall Gensler ECOTECT AS VIEWER

8. Revit 2010 Export dialog GREENBUILDINGSTUDIO Gensler REVIT2010 gbXML viewer

9. Revit 2010 – gbXML diagnostics ROOM DETAILS WARNING Gensler ISOLATE