Marcello, You are correct that a new version is planned for release in summer 2009. The major new features of version 17 will center on the building model. Specifically, TRNSYS will do a much better job of handling building self shading and internal solar radiation distribution through the use of a graphical preprocessor. The details are not yet fully worked out but in the current testing, the user draws the building in Google SketchUp, then exports it to TRNBuild through the use of a preprocessor). The user will probably have to adjust the way that they structure information in TRNBuild. The use of the preprocessor itself is quite straightforward and the structure of the TRNSYS Studio will not change substantially. One important new feature there is planned to be a two-tab view of the input file (*.dck and *.tpf). Another new feature will be a very flexible component that will calculate energy transfer between a building and the ground. There will be a number of other new features and models as well but these three are the most significant developments. Kind regards, David Marcello Caciolo wrote:
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