Forum for DesignBuilder EnergyPlus simulation users to exchange views and questions. Posts regarding use of Detailed HVAC should go to the EnergyPlus HVAC forum
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The problem of lack of accuracy in modelling natural ventilation in buildings where horizontal openings are involved is still existing? If yes will be solved?
Yes from the airflow point of view it will be simulated correctly. You should also consider whether you need solar radiation to penetrate right down to the bottom of the layers of zones though. There is a limitation in EnergyPlus where solar radiation can only pass through one set of interior 'windows' (or holes in your case). if you do need this then you should consider using a single zone and applying a temperature gradient.
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