New features of UrbaWind: automatic CFD software to compute the wind in any complex urban area. Compatible with thermal simulation software, read all climatological data, new porosity classification, air change rate statistics improved, better visualisation

1. UrbaWind:
The automatic CFD software to compute
the wind in any complex urban area
Release UrbaWind 2.2
September 2014
www.meteodyn.com sales.urbawind@meteodyn.com

2. Complement to dynamic thermal
simulation softwares
Pressure coefficients on walls have to be assessed to compute the air change
rate of buildings in complex urban area. Tables given as examples in Energy + (C.f.
AIVC tables) shouldn’t be used by designers for any cases.
 UW becomes a complement to dynamic thermal simulation software such as
Design Builder, Virtual Environment, Pléiade, etc…
Wind computations Pressure field on building Cp value on each opening
For every wind incidence
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3. Improve the access to Energy +
climatological database
UrbaWind 2.2 now reads any Energy + weather files (*.epw format)
Read the climatological data and export histograms and wind
CFD (wind in urban area) Climatology data Synthesis
 Pedestrian comfort
 Small wind energy
 Natural air ventilation
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4. New porosity classification
for trees and edges
UrbaWind 2.2 introduces differences between trees and edges to
compute the effects of vegetation on the wind pedestrian comfort
Meteodyn calibrated the various porosity models with available
physical data: urban grove of trees, isolated trees, urban edges
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5. Improved statistic tool for
air change rate
UrbaWind 2.2 introduces a new module to assess the cross ventilation by
computing the air change rate statistics of buildings
Select the time period (day, night, season, month,…) and highlight the
air change rate statistics on the period (average, minimum)
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6. New graphic tools to merge
surfaces of interest
UrbaWind 2.2 visualisation tool allows to select many surfaces of interest at the
same time to make diagnostics more easily
Secondary surfaces
Main surface
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7. Others developments
UrbaWind 2.2 introduces new features:
 New inlet profiles for turbulence (4 roughness classes)
 Pressure coefficient depends on the inlet wind profile deduced from the
ground roughness
 Improvement of the visualisation of climatological data, of openings, of
buildings (new lighting tools)
 New export tools for pictures and projects
If you would like to get advantages of these new functions,
please contact sales.urbawind@meteodyn.com
www.meteodyn.com sales.urbawind@meteodyn.com