A hierarchical reference-based know-why model for design support of sustainable building envelopes

Marco Scherz, Endrit Hoxha, Helmuth Kreiner, Alexander Passer*, Amin Vafadarnikjoo


Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

3 Citationer (Scopus)
13 Downloads (Pure)


In current complex building designs, sustainability assessments are often performed after project completion, with limited impact on building performance which results in missed goals in terms of quality, cost, and time. We address this problem by proposing a hierarchical reference-based know-why model to answer the research question “what is a suitable decision support model to successfully integrate the sustainability requirements in the early design phase of buildings?”. The model presents a process that incorporates a life-cycle perspective and calculates design alternatives based on a defined reference and the DGNB building certification system. The results show that criteria synergies and trade-offs can be identified, leading to improved design by engineers and better building performance. Our findings pave the way for full integration of the model into building information modeling, combined with artificial intelligence. This can help manage the complexity of the sustainable design process on the path to carbon-neutral buildings.
TidsskriftAutomation in Construction
StatusUdgivet - jul. 2022

Bibliografisk note

© 2022 The Authors.


  • Building certification system
  • Building design
  • Building envelope
  • Decision-making
  • Sustainability Assessment
  • Sustainable construction


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