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awalkindesignspace-evolu2onarytrajectoriesofarchitecturalcompe22ons


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structure

1.evolu)onofcomplexsystems

2.thestudyofarchitecturalcompe))ons:

conceptualbasisMethodologycasestudyforarchitecturalcompe))onsa.generalisedNKmodel

b.thearchitecture

c.Fitnesslandscape

d.Muta)onandinnova)oninNKmodels


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evolu2onofcomplexsystems:

narrowwindowsofchange

Evolu)on:

ajointeffectofenvironmentaldemandandinternalconstrainsthatresultinrigid

trajectoriesofchange.


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narrowwindowsofchange

+

Evolu)on:

ajointeffectofenvironmentaldemandandinternalconstrainsthatresultinrigid

trajectoriesofchange

=highlypathdependent.


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Cantheseconceptsbeappliedinthestudyofarchitecturalcompe))ons?



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decisionmakingtools

sor)ngpoten)alurbanfuturesandprojects

compactproceduresinspaceand)me

compactplaLormsofcommunica)on

studyofarchitecturalcompe22ons


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decisionmakingtools




conceptualbasisandempiricalstudy



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decisionmakingtools




conceptualbasis:AssemblageTheory

architecturalcompe))onsasintertwinedsystemswithhumanandnon-human,

materialandexpressivecomponents.

rela)onsofexteriority:exerciseofthecomponentscapaci)estointeractwitheach

other.



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decisionmakingtools




conceptualbasisandempiricalstudy

50swissarchitecturalcompe))ons19thcentury

HypathieII

technicaljournalsoftheperiodfromwww.seals.ch



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decisionmakingtools




empiricalstudy



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decisionmakingtools




empiricalstudy



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generalisedNK-modelforarchitecturalcompe22ons


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Atooltosimulatetheeffectsofinterdependenciesonafitnesslandscape



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describeselementsbyastring s s1s2sN

Ndimensions(n=1,...,N

Technicalelements

Ffunc)ons

Func)onalcharacteris)cs



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Thefitnessofacomplexsystemcouldbereferringto(produc)onefficiencyor

(productquality.



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Theensembleofinterdependenciesbetweenthecomplexsystemselementsiscalled

thesystemsarchitecture.

Achangeinanelementsstatecanaffectbothitsfunc)oningbutalsothefunc)oning

ofothers.

Thetotalnumberofpossiblecombina)onsbetweenthestatesofelementsboundsthe

totalnumberofpossibleformatsofacompe))onindesignspace

Thearchitectureofarchitecturalcompe22ons


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mutualinforma)on

indicatestheextentinwhichvaria)ons(possiblestatesorallelesalongdifferent

dimensionsareco-occurringinproductpopula)ons,inotherwordsitcanbean

indicatorofdifferen)a)on.



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Nelements,technicala]ributes,relatedtoformatofacompe))on



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Backgroundofjurors:

numberofarchitects(majority=architectsthen1,else0

poli)calpersons(atleastone1,else0

personwithtechnicalexper)se(atleastone1,else0

ar)sts(atleastone1,else0

loca)on

Natureofcompe))onregardtothepar)cipants

open(open1,else0

invited(invited1,else0

limited(limited1,else0

Natureofcompe))onregardtotheprocedures

one/twostage(onestage0,twoormorestages1ideas/defini)ve(ideas1,defini)ve0

thedura)on

the)meframethecompe))on

extensionofdeadlinesforsubmission(extension1,else0



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Backgroundofjurors:



personwithtechnicalexper)se(atleastone1,else0


loca)on


open(open1,else0




one/twostage(onestage0,twoormorestages1ideas/defini)ve(ideas1,defini)ve0

thedura)on

the)meframethecompe))on


0

1

0

0

1

0

1

0

10

1

0



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Ffunc)onala]ributesrelatedtocharacteris)csofthecompe))on

Thesea]ributesarethestrengthsandtheweaknessesthataclient-ini)atorhasin

mindforusingacompe))ontosolveaproblem



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Transparency

theannouncementofthecompe))on(announced1,else0

thepublicannouncementofthenamesofjurorsattheannouncement(announced1,

else0

thepublishedjuryreport(published1,else0

theSIA(SwissEngineersetArchitectschamberrulesmen)onedinjuryreports/announcements/otherdocuments(men)oned1,else0

thepublicexhibi)onofresults(exhibited1,else0

actualisa)on

firstpricewinners(atleastonefirstprize1,else0

realisa)onofoutcome(realised1,else0

loca)onofjurorandloca)onofcompe))on(atleastonejurorfromthecompe))onsarea1,else0

loca)onofwinnerandloca)onofcompe))on

jurysugges)ons(atleastonesugges)onrelatedtoexecu)onoftheoutcome1,else0



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thefitnessW(softhecompe))onwillbe:

W(s=1/2(wT+wA

WherewT:thefitnessvalueofa]ributeoftransparency

wA:thefitnessvalueofa]ributeofactualisa)on



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matrixNxFarchitecturalcompe))ons

Greyareas:interdependenciesbetweenthea]ributesaccordingmutualinforma)onvalues


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ocalop)ma:

010110010100 w1=0.4500

100110010001 w2=0.6000

100110010100 w3=0.7667

101001000110 w4=0.2833

110100010101 w5=0.5000

110110010001 w6=0.5833

110110011111 w7=0.3667



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010110010100 w1=0.4500

100110010001 w2=0.6000

100110010100 w3=0.7667 globalop)mum

101001000110 w4=0.2833

110100010101 w5=0.5000

110110010001 w6=0.5833

110110011111 w7=0.3667



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010110010100 w1=0.4500

100110010001 w2=0.6000

100110010100 w3=0.7667

101001000110 w4=0.2833

110100010101 w5=0.5000

110110010001 w6=0.5833

110110011111 w7=0.3667



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100110010100meaning

Backgroundofjurors:


personwithtechnicalexper)se (atleastone1,else0



loca)on




open(open1,else0


defini)ve(ideas1,defini)ve0twostage(onestage0,twoormorestages1

thedura)on


)meframe

1

0

0

1

1

0

0

1

01

0

0



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010110010100 2

100110010001 2

100110010100 globalop)ma

101001000110 6

110100010101 3

110110010001 3

110110011111 4

100110010100

100110010100

100110010100

100110010100

100110010100

100110010100

Fitnesslandscapeforarchitecturalcompe22ons


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Thebasinsofa]rac)onbetweenthesmalldistancelocalop)maarenotclear

definedandonecompe))oncanmutateformtheoneformattotheotherwithsmall

numberofchanges(lessthen3.



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010110010100 8

100110010001 8

100110010100 6

101001000110

110100010101 7

110110010001 9

110110011111 8

101001000110

101001000110

101001000110

101001000110

101001000110

101001000110



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thelocalop)mumwithworstfitnessvalueisfarfromalltheotherop)ma,

thatmeansthatitisnoteasytogetoutofitsbasinofa]rac)on

sinceweneedabigchange,alongjump,asimultaneousmuta)onsinmayelements



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010110010100 2

110110010001 9

100110010100

101001000110

Muta2on-innova2oninarchitecturalcompe22ons


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Thankyou

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