Note that the geometry of the building in the wind-tunnel
measurements by Karava et al. [39] (Fig. 3) and that of the singlespan
and double-span buildings as presented in the current paper
(Fig. 1) are not identical, but there is a sufficient degree of similarity
to consider this validation approach applicable for the leeward
sawtooth roof buildings, for the following reasons: (1) both buildings
are isolated, (2) both buildings consist of one internal zone, (3)
asymmetric openings are present in both buildings (lower one in
the windward and upper one in the leeward facade) and (4) both
are exposed to a wind direction normal to the facade with the
opening in the lower part of the facade. As a result, the salient flow
features for the building studied by Karava et al. [39] are also present
for the buildings studied in the present paper.