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Simulation-time reduction techniques for a retrofit planning tool

Giannakis, G; Kontes, G; Korolija, I; Rovas, DV; (2017) Simulation-time reduction techniques for a retrofit planning tool. In: Barnaby, Charles S. and Wetter, Michael, (eds.) Proceedings of the 15th IBPSA Conference 2017. (pp. pp. 2014-2023). IBPSA: CA, USA. Green open access

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Abstract

The design of retrofitted energy efficient buildings is a promising option towards achieving a cost-effective improvement of the overall building sector’s energy performance. With the aim of discovering the best design for a retrofitting project in an automatic manner, a decision making (or optimization) process is usually adopted, utilizing accurate building simulation models towards evaluating the candidate retrofitting scenarios. A major factor which affects the overall computational time of such a process is the simulation execution time. Since high complexity and prohibitive simulation execution time are predominantly due to the full-scale, detailed simulation, in this work, the following simulation-time reduction methodologies are evaluated with respect to accuracy and computational effort in a test building: Hierarchical clustering; Koopman modes; and Meta-models. The simplified model that would be the outcome of these approaches, can be utilized by any optimization approach to discover the best retrofitting option.

Type: Proceedings paper
Title: Simulation-time reduction techniques for a retrofit planning tool
Event: 15th International Conference of IBPSA
Location: San Francisco, USA
Dates: 07 August 2017 - 09 August 2017
Open access status: An open access version is available from UCL Discovery
DOI: 10.26868/25222708.2017.554
Publisher version: http://www.ibpsa.org/proceedings/BS2017/BS2017_554...
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: http://discovery.ucl.ac.uk/id/eprint/10063056
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