?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Generating+optimal+comfort+improving+design+solution+with+occupancy+survey+and+Multi-Objective+Optimization+(MOO)+technique%3A+a+case+study+for+fa%C3%A7ade+retrofit+in+a+post-war+office+in+London&rft.creator=Yu%2C+C&rft.creator=Altamirano%2C+H&rft.description=In+a+UK+post-war+highly+glazed+open-plan+office%2C+occupants+experienced+intolerable+discomfort+from+poorly+designed+and+performing+fa%C3%A7ade.+However%2C+the+comfort-oriented+solution+was+limited+to+internal+of+the+window+only+by+rental+restriction.+No+direct+performance+data%2C+e.g.+monitoring+data%2C+was+available+for+analysing+potential+discomfort+issues.+Such+case+presented+a+challenge+for+a+balanced+optimal+solution+for+undefined+but+potentially+compilated+causes+for+problems.%0D%0A%0D%0AThis+essay+developed+a+practical+and+systematic+framework+to+identify+key+comfort+issues+with+occupancy+survey+and+generate+an+optimized+design+option+with+multi-objective+optimization+with+genetic+algorithm+for+the+case+office.+Benchmarking%2C+correlation+and+ANOVA+study+were+cross-referred+and+integrated+with+non-linear+satisfaction+theory+to+determine+the+key+comfort+factors.+In+this+case%2C+the+key+comfort+factors+were+identified+as+direct+sunlight+glare%2C+temperature+and+stability+in+winter+and+summer%2C+and+noise+from+colleagues.%0D%0A%0D%0AThese+key+comfort+factors+were+parameterized+with+building+simulation+programs+and+set+as+objectives+in+optimization+program+thus+integrating+the+qualitative+survey+into+quantitate+optimization+algorithm+for+design+options+optimization.+Glazing+ratio%2C+shading+device+length%2C+and+secondary+glazing+were+set+as+changeable+parameters+(genes)+controlling+the+fa%C3%A7ade+characteristics.%0D%0A%0D%0AThe+optimization+program+generated+and+compared+480+distinctive+design+options+through+8+generations+and+discovered+101+Pareto+front+options.+Filtered+with+a+criteria-based+filtering+method+from+all+pareto+front%2C+an+optimal+solution+was+recognized+as+fully+opaque+insulation+for+South+and+West+fa%C3%A7ade%2C+high+glazing+ratio+on+North+and+East+fa%C3%A7ade%2C+no+extra+shading+device%2C+and+with+secondary+glazing.+This+optimal+option+effectively+reduced+glare+under+acceptable+threshold+while+keeping+large+view+out+but+only+slightly+improve+summer+thermal+condition.+Further+improvements+in+ventilation+system+and+building+envelope+performance+was+demonstrated+essential+for+significant+thermal+comfort+improvement.&rft.subject=Multi-objectives+optimization%2C+Occupancy+comfort%2C+Post-occupancy+survey%2C+Fa%C3%A7ade+retrofit%2C+Building%0D%0Aperformance+simulation&rft.publisher=MC2019+Masters+Conference+People+and+Buildings&rft.date=2019-09-20&rft.type=Proceedings+paper&rft.publisher=NCEUB+Conferences%2C+MC2019+Masters+Conference+People+and+Buildings&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+MC2019+Masters+Conference+People+and+Buildings.++++MC2019+Masters+Conference+People+and+Buildings%3A+London%2C+UK.+(2019)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10111638%2F1%2FMC2019_Yu_Chuanrui_v2.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10111638%2F&rft.rights=open