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Optimising embodied energy and thermal performance of thermal insulation in building envelopes via an automated building information modelling (BIM) tool

Chen, Z, Hammad, AWA, Kamardeen, Imriyas and Akbarnezhad, A 2020, Optimising embodied energy and thermal performance of thermal insulation in building envelopes via an automated building information modelling (BIM) tool, Buildings, vol. 10, no. 12, pp. 1-23, doi: 10.3390/buildings10120218.

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Title Optimising embodied energy and thermal performance of thermal insulation in building envelopes via an automated building information modelling (BIM) tool
Author(s) Chen, Z
Hammad, AWA
Kamardeen, ImriyasORCID iD for Kamardeen, Imriyas orcid.org/0000-0001-7296-3605
Akbarnezhad, A
Journal name Buildings
Volume number 10
Issue number 12
Article ID 218
Start page 1
End page 23
Total pages 23
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2020-12-01
ISSN 2075-5309
Keyword(s) Science & Technology
Technology
Construction & Building Technology
Engineering, Civil
Engineering
BIM
insulation design
building envelope
multi-objective
optimisation
pareto-front
LIFE-CYCLE ASSESSMENT
OF-THE-ART
GENETIC ALGORITHM
EXTERNAL WALLS
OPTIMIZATION
THICKNESS
SIMULATION
FRAMEWORK
DESIGN
RESPECT
Summary Insulation systems for the floor, roof, and external walls play a prominent role in providing a thermal barrier for the building envelope. Design decisions made for the insulation material type and thickness can alleviate potential impacts on the embodied energy and improve the building thermal performance. This design problem is often addressed using a building information modelling (BIM)-integrated optimisation approach. However, one major weakness that lies in the current studies is that BIM is merely used as the source for design parameters input. This study proposes a BIM-based envelope insulation optimisation design tool using a common software Revit and its extension Dynamo to find the trade-off between the total embodied energy of the insulation system and the thermal performance of the envelope by considering the material type and thickness. In addition, the tool also permits data visualisation in a BIM environment, and automates subsequent material library mapping and instantiates the optimal insulation designs. The framework is tested on a case study based in Sydney, Australia. By analysing sample designs from the Pareto front, it is found that slight improvement in the thermal performance (1.3399 to 1.2112 GJ/m2) would cause the embodied energy to increase by more than 50 times.
Language eng
DOI 10.3390/buildings10120218
Indigenous content off
Field of Research 1201 Architecture
1202 Building
1203 Design Practice and Management
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30146951

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.