Journal
JOURNAL OF BUILDING PERFORMANCE SIMULATION
Volume 11, Issue 6, Pages 669-688Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/19401493.2018.1428361
Keywords
modelica; building energy simulation; library; IDEAS; computation time; verification
Categories
Funding
- Agency for Innovation by Science and Technology in Flanders (IWT) [131012]
- IWT
- WTCB
- European Union
- European Regional Development Fund ERDF
- Flanders Innovation & Entrepreneurship
- Province of Limburg
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Building and district energy systems become increasingly complex, requiring accurate simulation and optimization of systems that combine building envelope, heating ventilation and air conditioning, electrical distribution grids and advanced controllers. Hence, it becomes more challenging for existing simulation tools to provide integrated solutions for these multi-physics problems. Moreover, common building simulation frameworks tightly integrate model equations and their solvers in the program code, which affects model transparency and hampers tool extensions. This is contrasted by equation-based tools such as Modelica, for which different solvers can be used. In this context, the Integrated District Energy Assessment by Simulation (IDEAS) library is developed. After a recent development shift towards more detailed, multi-zone models, this paper presents a comprehensive, well-documented, overview of the buildings part of IDEAS. This includes new computational aspects of the library, improved usability aspects, an updated intercomparison with BESTEST and a verification based on IEA EBC Annex 58.
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