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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
Parametric Surface Approach to Textile Façade Cladding
Prof. Ramon SastreEng. Müfit Eribol, MSc, MBA, Archineer h.c.Arch. Rana Dirin, Archineer h.c.
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» The Goal
Develop systems to improve energy savings
• Most of external light as needed• Most of heat during winter• Blocking excessive radiation during
summer
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Current Approach
Glass façade cladding Textile façade cladding Canopies Shutters, eaves Roller blind Sun breakers Reflective coatings Heat isolation systems
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Problems with Glass Façades
• Locality ignored• Changing climatic conditions in proximity of
building ignored• Glare due to extreme light levels• Unpleasant feeling due to radiation
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
Textile Façade Cladding as the Most Popular Solution
Light barrier Radiation barrier Wind barrier Heat isolation
But it is monotonous and has constant cavity.
»
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Problem with Existing Façades
The glass façade cladding is static The textile façade cladding is also static
However,
Conditions around the building are not static. Sun light Wind View preferences
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Problems in Ventilation
The cavity is thought to provide better thermal behaviour. This holds true if cavity dimensions are sufficient.
Often, it is not enough. Rain protections at top make it worse.
Side openings are only useful for tangential winds.
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Problems in Light and Views
In many countries west façades receive the sun radiation perpendicularly. Eaves and brise-soleils are not effective.
Continuous solar screens prevents clear view. Poor natural light level
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
What can be the solution?
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Proposed Approach
Parametric Surfaces
Aesthetical freedom The cavity between the façade and the screen can
be changed for different forms of ventilation
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Strengths and Advantages
By changing the surface,
• Use the position of the Sun wisely• Use the wind efficiently• Use scene of the surrounding as wish• Change the outlook of the building
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Continuum
E.T.S. Architectura del Vallès participatedin European Lifelong Learning Program
First workshop in September 2008 in Lyon. Focus: Changing the façade geometry
Second workshop May 2009 in Barcelona: Focus: Parametric geometry
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Steps taken
Developed a new software to give volume Different surfaces through parameters Regular rectangular patterns on the façades Floors delimit the vertical space Vertical struts delimit horizontal space
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Software at First Workshop
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» The Model
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Second Workshop
•Focus was on parametric geometry for façades•Rhinoceros & Grasshopper software•Grid of rectangles called quads•Created a complex surface
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Model of Façade
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» With and Without Screen Protection
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Node Disaggregation 1
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Node Disaggregation 2
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Node Disaggregation 3
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Benefits in Ventilation
Triangle openings improve ventilation in a significant way.
It is easy to find opening area for in and out air movements
Not for just convection air movements but also for perpendicular or tangential winds.
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Benefits in Light and Views
Based on the orientation of the building, level of light entrance can be controlled.
External views are also controllable. Impact on the architectural aspect.
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Construction
Parametric surface goes well with CNC production.
• Nodes of the grid are connected to façade• Pegs are perpendicular to façade• Pegs provide anchorages• Patterning like hypars• Borders can be bolt ropes or tubes
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Possible Applications
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
» Next Research Topics
Fluids behaviour in a multi-open cavity. Temperature behaviour in this space. Influence of membrane: Material, color, porosity, etc. Automation of structural analysis of each element. Setup processes.
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PARAMETRIC SURFACE APPROACH TO TEXTILE FAÇADES
ETS Arquitectura del Vallès, Universitat Politèchnica Catalunya, Spain
ONART Membrane Structures, Turkey
Thank You!
Prof. Ramon Sastre
Eng. Müfit Eribol, MSc, MBA, Archineer h.c.
Arch. Rana Dirin, Archineer h.c.