An error analysis method applied to a building simulation software : an example of application and its results

Within the framework of an Anglo-French validation project funded by EDF and the BRE, a building model has been tested using an error analysis method. The first step enabled the identification of the different discrepancy sources. The second step pointed out the way the model should be improved to fit to reality. Presently, the major accuracy gains can be expected from improvements on heat exchange between air and heating system, glazing modelling and solar radiation distribution. However such an approach has to be completed with a global validation on a real building equipped with a HVAC system.