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Mostapha,

I suggest that you split the geometry horizontally by floor, or perhaps in finer granularity, and consider using the ZoneCrossMixing object to capture the stack effect. There is a "Delta Temperature" option that is applicable in this case.

http://bigladdersoftware.com/epx/docs/8-0/input-output-reference/page-018.html#zonecrossmixing

Kyle

Mostapha,

I suggest that you split the geometry horizontally by floor, or perhaps in finer granularity, and consider using the ZoneCrossMixing object to capture the stack effect. There is a "Delta Temperature" option that is applicable in this case.

http://bigladdersoftware.com/epx/docs/8-0/input-output-reference/page-018.html#zonecrossmixing

Kyle