Comparison of Simulation Results for an Office Building Between Different BES Tools: The Challenge of Getting Rid of Modeller Influence and Identifying Reasons for Deviations

Mara Magni, Fabian Ochs, Paolo Bonato, Matteo D'Antoni, David Geisler-Moroder, Samuel de Vries, Roel Loonen, Alessandro Maccarini, Alireza Afshari, Toni Calabrese

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

The model of the reference office building, reported in IEA SHC Task 56, is implemented by different experts in building simulations, with different tools (i.e. dynamics simulation tools such as EnergyPlus, TRNSYS, CarnotUIBK, ALMAbuild, DALEC, Modelica and quasi steady state calculation tool such as PHPP). The aim is to set up reference models for (virtually) testing different solar passive and solar active façade systems. Hence, identifying deviations between the resulting energy balance for heating and cooling of the used tools due to different levels of detail of their models is of great importance, while in the same time, trying to get rid of the user influence was experienced as a real challenge.
It can be concluded that even considering a relatively simple case study, it is hard to reach a good agreement between different tools and an additional calibration phase is necessary. In particular, it was found that the resolution of the window model can lead to considerable differences.
As a perspective, it seems to be a challenge if the building modelling is entrusted to non-expert users (e.g. from Building Information Modelling to Building Energy Modelling, where BIM-to-BEM interoperability issues might arise and affect the simulation results).
Original languageEnglish
Title of host publicationProceedings of Building Simulation 2019 : 16th Conference of IBPSA
PublisherIBPSA
Publication date2019
Pages1475-1482
ISBN (Electronic)978-1-7750520-1-2
DOIs
Publication statusPublished - 2019
EventBuilding Simulation: 16th international IBPSA conference and exhibition - Angelicum Congress Centre, Rome, Italy
Duration: 2 Sep 20194 Sep 2019
Conference number: 16
http://buildingsimulation2019.org/overview/

Conference

ConferenceBuilding Simulation
Number16
LocationAngelicum Congress Centre
CountryItaly
CityRome
Period02/09/201904/09/2019
Internet address
SeriesInternational Building Performance Simulation Association (IBPSA)
Volume16
ISSN2522-2708

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Magni, M., Ochs, F., Bonato, P., D'Antoni, M., Geisler-Moroder, D., de Vries, S., Loonen, R., Maccarini, A., Afshari, A., & Calabrese, T. (2019). Comparison of Simulation Results for an Office Building Between Different BES Tools: The Challenge of Getting Rid of Modeller Influence and Identifying Reasons for Deviations. In Proceedings of Building Simulation 2019: 16th Conference of IBPSA (pp. 1475-1482). IBPSA. International Building Performance Simulation Association (IBPSA), Vol.. 16 https://doi.org/10.26868/25222708.2019.210834