CFD – Computerized Wind Analysis


The exponentially increasing population along with increasing urban density demands fresh and large scale public spaces. The design of public spaces is one of the most crucial issues of today. Desirable wind effects are crucial to public spaces. If the microclimate is pleasant, public spaces are inviting and livable. Wind analysis exposes the effects of proposed buildings on wind behavior in their surroundings before they are constructed. Moreover, wind analysis is becoming a common requirement of the building process to ensure that projects create safe conditions.

Wind analysis is conducted through Computerized Fluid Dynamic simulation (CFD). Various parameters such as wind speed, frequency, and adjacent public spaces affect the overall wind behavior.


Wind simulation characteristics

CFD analyses use 3D models which include the 1000-foot surrounding radius. All constructional elements (buildings, open space, topography, etc) of both existing and approved future structures are taken into account in the modeling.


Simulation products

Simulation analysis predicts wind behavior due to the proposed structure 

The output provides a clear graphic depiction of several matters:

  1. Frequency of wind speeds from various directions 
  2. Wind flow directions at every point of the building and its surroundings
  3. Real-time prediction of simultaneous aggregated wind behavior
  4. Mitigations and solutions – areas that do not meet the threshold in terms of speed, safety, and risks are identified based on the results. There are specific solutions for each violated area:   
    1. Solutions range from changes and additions to the development plan, such as vegetation, changes in the geometry of the building, and exterior elements such as canopies to ‘roughen' the building's facades.
    2. These solutions are then re-tested to verify the effectiveness 


Key parameters that impact wind behavior:

  1. Topography Roughness– rougher surface area results in lower intensity and speed of the wind.
  2. The geometry of the structure:
    1. Shape concerning the height/width ratio: tall and narrow buildings create forceful wind effects
    2. The surface of the structure: prominent toothed areas dissipate strong winds
    3. Proximity to adjacent buildings: Closely located buildings create wind tunneling.


Wind analysis mitigates a multitude of issues caused by buildings in regards to wind behavior. Models and simulations highlight problems before they are built into fruition. WAWA uses advanced wind analyzing programs to ensure a projects wind conditions are not only safe but optimal.

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