BIM tabanlı BEM Süreci ile Yüksek Enerji Performanslı Bina Tasarımının İlk Aşamasında Üretken Tasarım Yaklaşımı

Öz

Günümüzde yüksek enerji performansına sahip binaların tasarımı, erken tasarım aşamalarında alınan kararların önemini artırmış ve bu bağlamda Bina Bilgi Modellemesi (BIM) tabanlı Bina Enerji Modellemesi (BEM) yaklaşımlarının benimsenmesini teşvik etmiştir. Bu çalışma, yüksek enerji performanslı bina tasarımı sürecinde BIM (Bina Bilgi Modellemesi) tabanlı BEM (Bina Enerji Modellemesi) ile entegre edilen üretken tasarım yaklaşımını incelemektedir. Soğuk-kuru iklim koşullarına uygun olarak geliştirilen önerilen yöntem, erken tasarım aşamasında mimarların farklı bina formlarını üretmesini, bu formları enerji performansı açısından analiz etmesini ve optimize edilmiş çözümleri belirlemesini mümkün kılmaktadır. Revit-Dynamo ortamında geliştirilen algoritmalar aracılığıyla, öncelikle biçim faktörü ve kat alanı kriterlerine göre bina formları oluşturulmuş; ardından, cephe tasarımı özelinde pencere yerleşimleri ve WWR (Window-to-Wall Ratio) oranları parametrik olarak tanımlanmıştır. Elde edilen alternatifler, Green Building Studio ile enerji simülasyonlarına tabi tutularak EUI (Enerji Kullanım Yoğunluğu) değerlerine göre değerlendirilmiştir. Tasarım alternatifleri, mimarın hedeflerine göre sıralanabilir şekilde görselleştirilmiş ve karar verme süreci desteklenmiştir. Bulgular, düşük biçim faktörüne sahip kompakt formların ve cephe bazlı pencere optimizasyonlarının enerji verimliliği üzerinde belirleyici bir etkiye sahip olduğunu göstermektedir. Bu kapsamda, geliştirilen çerçeve, erken tasarım aşamasında sürdürülebilir ve veri odaklı bina tasarımı için etkili bir araç olarak öne çıkmaktadır.

Anahtar Kelimeler

• Üretken tasarım
• BIM
• BEM
• Erken tasarım süreci
• Yüksek enerji
• Performans

Generative Design Approach in the Early Stage of High-Energy Performance Building Design with BIM-Based BEM Process

Öz

Nowadays, the design of buildings with high energy performance has increased the importance of decisions made in the early design phases and, in this context, has encouraged the adoption of Building Information Modelling (BIM) based Building Energy Modelling (BEM) approaches. This study investigates the productive design approach integrated with BIM (Building Information Modelling) based BEM (Building Energy Modelling) in the process of high energy performance building design. The proposed method, developed for cold-dry climate conditions, enables architects to generate different building forms, analyse these forms in terms of energy performance, and identify optimised solutions in the early design phase. Using algorithms developed in the Revit-Dynamo environment, firstly, building forms are generated according to form factor and floor area criteria; then, window placements and WWR (Window-to-Wall Ratio) ratios are parametrically defined for facade design. The obtained alternatives were subjected to energy simulations with Green Building Studio and evaluated according to EUI (Energy Use Intensity) values. The design alternatives were visualised so that they could be ranked according to the architect's objectives, and the decision-making process was supported. The findings show that compact forms with low form factor and facade-based window optimisations have a decisive impact on energy efficiency. In this context, the developed framework is an effective tool for sustainable and data-driven building design in the early design phase.

Anahtar Kelimeler

• Generative Design
• BIM
• BEM
• Early Design Stage
• High Energy
• Performance

Kaynakça

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