arch+ech

architecture + technology

Parasitic Ecologies

extending space through diffusion-limited aggregation models


Zeta Kachri
‘void exhibit(AAC), Arup’s Phase 2 Gallery, London, UK, September 2009






Parasitic
 architecture
 allows
 the
 creation
 of
 flexible
 structures
 that
 feed
 off
 existing infrastructure
 offering
 solid
 answers
 to
 the
 problem
 of
 structural
 density
 of
 cities and
 the
 need
 of
 temporary
 accommodations.
 Additionally,
 modular
 systems potentially 
provide 
forms
 with
 great
 complexity 
out
 of
 simplicity. This
 project investigates
 the
 evolution
 of
 self‐sustained
 parasitic
 structures
 that evolve
 by
 creating
 aggregation
 forms
 well
 adapted
 to
 their
 hosts.





The
 growth process 
of 
the 
parasite 
is 
inspired
 by
 the 
fungal 
colonies 
and
 is 
based
 on 
the
 rules 
of the
 diffusion‐limited
 aggregation
 extended
 to
 support
 force
 analysis
 and
 maintain structural
 stability.
 The
 modular
 development
 of
 forms, capable
 to
 adapt
 to
 the
 built
 environment
 without
 affecting
 the
 stability
 of
 the existing
 infrastructure,
 provides
 easy
 and
 low‐cost
 solutions
 for
 extending
 and rejuvenating architectural
 space.
Moreover,
the 
natural
 growth
 process
 of
 diffusion‐limited
 aggregation
 allows
 an
 endless
 evolution
 of
 additional
 spaces
 within
 a
 city
 in respect
 to
 the
 character
 of
 its
 landscape
 and
 human’s
 current
 needs.
 The
 final findings
 propose
 new
 ways
 of
 space
 perception
 and
 introduce
 a
 strategy
 for exploiting 
space.


A rapid prototyping object along with a short presentation movie were exhibited during ‘void exhibit(AAC)’ at ARUP’s Phase 2 Gallery in London.

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