ECOTECT _ Iaac MAA 10-11
Andreana Papantoniou
Neighborhood of Studio: La Sgrera|Navas|Congres I els Indians The area that has been analyzed in this assignment is the neighborhood of Navas, one of the four neighborhoods that comprise the whole area of Studio´s research. Some analyses have been examined, only in particular parts of the area because of the difficulty of the size. The 3d file has been prepared in Rhino and only the necessary objects have been kept. The file was exported to 3ds file and was imported in Ecotect, where the necessary was settled in the dialog box; the scale was changed (meters to millimeters) and the file was opened as new with all the elements in one zone. Once the file was imported, has been modified by the command Merge Coincident Triangles in order to become lighter. The weather file of Barcelona was applied, by loading the climate data file. Displaying of shadows and Overshadowing Different displaying shadows have been generated from the changed position of the sun, using the ‘Shadow Display’ command. The shadow range in a specific day can be taken through the command ‘Show Shadow Range’.
Shadow Diagrams
Shadow Range Diagram
The following images show a. the shadow created by a selected surface and b. the receiving shadow.
The calculation of shading and overshadowing can be achieved through the commands Sun Path Diagram_Calculate Shading_Display.
Stereographic Diagram of a selected object
Solar Analysis a. On surfaces. Before starting the process of Solar Access Analysis on a surface, the surface normals had to be checked and corrected; ‘Display’_ ‘Surface Normals’ and ‘Modify’_ ‘Reverse Normals’. Once the surfaces were corrected, the solar analysis could start. Before performing the calculation, Barcelona weather has been selected.
Settings of calculation; Surface Sampling and Sky Subdivision
Solar Access Analysis on surfaces
b. On subdivided surfaces. In order to have a more detailed analysis of a surface, we modify the surface from the drop out menu ‘Modify’_ ‘Surface Subdivision’_ ‘Rectangular Tiles’.
Solar Access Analysis on a subdivided surface
c. On surfaces - Using grid. Another option to calculate the solar analysis on a surface is to fit a grid on the particular surface. Using the command ‘auto-fit grid to object’ we set the grid on our object (3D from Fit), changing the axis from XY to YZ and turn on the button ‘Maintain existing extends in this axis’.
Solar Analysis on a surface using a grid
d. On a grid. The solar access analysis of the whole neighborhood of Navas has been analyzed on a grid. In order to achieve a fast calculation the grid has been created and modified, using the commands ‘Select grid nodes’_ ‘Hide’.
The setting table of the grid
Solar Access Analysis of the whole neighborhood
The hidden nodes of the grid
Spatial Visibility Analysis Before calculating the Spatial Visibility Analysis, I configured a grid which would define the level of visibility and the particular examined area. The grid has been modulated through the commands ‘Adjust Grid Extends’ _ ‘Manually Adjust Grid Extends’ and has been configured slightly larger than the buildings.
The selected surface to be spatial visibility analyzed
Spatial Visibility Analysis of a surface
Wind Analysis To start a wind analysis, a Winair file had to be obtained and loaded (Preferences’ _ ‘General’_ ‘3rd Party Tools’ _ ‘WinAir4 Application’). The steps that have been followed were the following: ‘Fit Grid to Objects’_ ‘Calculate CFD Cell Blockages’_ ‘Export to WinAir4 and save’_ ‘Insert Setting Parameters for the export’_ ‘Load CFD Data’.
Analysis of the Flow Vector in different offsets
Analysis of the Flow Vector in YZ Axis
Analysis of the Flow Vector in YZ axis using the volumetric rendering of slices
Various Visualizations; Cell Temperature, Cell Pressure, Air Flow Rate:
Air Flow Rate Analysis in YZ axis
Air Flow Rate
Cell Temperature
Prevailing Winds The last analysis was the calculation of the Prevailing Winds, using the Commands ‘Calculation’_ ‘Prevailing Winds’. The following images show the diagrams of a. Wind Frequency and b. Average Wind Temperatures respectively.