Environmental Data Driven Building is a proposed net zero building in Barcelona. The geometry is formed using a simple Sub-D cuboid and bridging two identical forms. The building was was analysed using ladybug to generate parametric façade and V-ray was used to animate kinetic façade. Later, floor 6 was optimised for energy consumption using honeybee. Building orientation, louvers and shading element position was optimised further using galapagos.

Solar Data Driven Facades

Geometry Forming

A Sub-D geometry was formed to use for the purpose of the following environmental analysis.

subd_formation

Annual Sun Analysis

Annual sun hours were analysed to create a parametric façade to be able to control the total solar energy inside the building.

annual_sun_analysis

Parametric Facade

parametric_facade

parametric_facade_axo

facade_details

Kinetic Shading Strategies

A kinetic façade was formed depending on the sun path which was animated using V-Ray for Grasshopper.

Spatial Daylight Autonomy 

Total daylight hours on Floor 6 of the building was analysed with and without louvers.

without Shading

 

with Shading

Louvers at an angle of 32 were used for the analysis.

with_shading

Energy Modelling

One Floor Spatial Arrangement

The following floor plan was used to analyse the energy consumption when using 40% glazing with horizontal/vertical louvers and 80% glazing with horizontal/vertical louvers.

floor_arrangement

Cooling and Heating Energy Consumption

After analysing the different situations the most optimum louvers were the 40% glazing with horizontal louvers.

heating_cooling

Total Energy Consumption

After analysing the energy required for heating and cooling and total energy consumption when using 40% glazing with horizontal/vertical and 80% glazing with horizontal/vertical louvers and the total spatial daylight under these cases, although the most optimum was 40% glazing with horizontal louvers the vertical louvers were used to keep the spatial daylight within the range of the LEED standards.

total_consumption

Optimised Orientation for a PV Module

Optimisation for Solar Performance

BARCELONA

Warm Climate Zone | Zone 3

Analysis Period : 

  • 21/03
  • 21/06
  • 21/12

Geometry Orientation | one degree of freedom

Optimal Orientation : 107

Louvers Orientation | one degree of freedom with a fixed orientation of 45o

Optimal Degree : 50

Louvers Orientation | two degree of freedom

Optimal Orientation : 21 ,31

Shading Orientation | three degree of freedom

Optimal Position (geometry placed at 0,0,0) : (0.57,0.24)

Environmental Data Driven Building is a project of IAAC, the Institute for Advanced Architecture of Catalonia, developed during the Master in Advanced Architecture (MAA01) 2021/22 by student: Neslihan Gulhan; and faculty: Carlos Bausa Martinez