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Multi-Objective Optimization Methodology for Net Zero Energy Buildings

Abstract : The challenge in Net Zero Energy Building (NZEB) design is to find the best combination of design strategies that will face the energy performance problems of a particular building. This paper presents a methodology for the simulation-based multi-criteria optimization of NZEBs. Its main features include four steps: building simulation, optimization process, multi-criteria decision making (MCDM) and testing solution's robustness. The methodology is applied to investigate the cost-effectiveness potential for optimizing the design of NZEBs in different case studies taken as diverse climatic zones in Lebanon and France. The investigated design parameters include: external walls and roof insulation thickness, windows glazing type, cooling and heating set points, and window to wall ratio. Furthermore, the inspected RE systems include: solar domestic hot water (SDHW) and photovoltaic (PV) array. The proposed methodology is a useful tool to enhance NZEBs design and to facilitate decision making in early phases of building design. Specifically, the non-dominated sorting genetic algorithm (NSGA-II) is chosen in order to minimize thermal, electrical demands and life cycle cost (LCC) while reaching the net zero energy balance; thus getting the Pareto-front. A ranking decision making technique Elimination and Choice Expressing the Reality (ELECTRE III) is applied to the Pareto-front so as to obtain one optimal solution.
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https://hal.uca.fr/hal-01668846
Contributor : Pascal Biwole <>
Submitted on : Wednesday, December 20, 2017 - 12:07:47 PM
Last modification on : Monday, October 12, 2020 - 2:28:06 PM

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Fatima Harkouss, Farouk Fardoun, Pascal Henry Biwole. Multi-Objective Optimization Methodology for Net Zero Energy Buildings. Journal of Building Engineering, Elsevier, 2018, 16, pp. 57-71. ⟨10.1016/j.jobe.2017.12.003⟩. ⟨hal-01668846⟩

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