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Enhancement of the building simulation software TRNSYS by coupling to the VEPZO model programmed in Modelica

 
: Kübler, Svea; Norrefeldt, Victor

:

Tummescheit, H. ; Modelica Association, Linköping:
10th International Modelica Conference 2014. Proceedings : March 10 - 12, 2014, Lund, Sweden
Linköping: Modelica Association, 2014 (Linköping Electronic Conference Proceedings 96)
ISBN: 978-91-7519-380-9
DOI: 10.3384/ecp14096
S.107-114
International Modelica Conference <10, 2014, Lund>
Englisch
Konferenzbeitrag
Fraunhofer IBP ()

Abstract
In this study, the possibility to interface a commercial building simulation tool with Modelica models is investigated. In this application, the zonal model VEPZO - modeled in Modelica - is coupled to the software TRNSYS - mainly programmed in Fortran - to be able to perform a dynamic co-simulation. The objective of this coupling is to obtain refined airflow and air temperature prediction, while retaining computation effort low enough to allow for transient computation. In a first attempt, a coupling using FMI was tested without success due to a lack of adequate solvers for FMI export. Therefore, a script coupling was implemented. Further steps include a validation and evaluation of the programmed interface and the results of the coupled system in respect to computation time, quality of results, usability and further development.

: http://publica.fraunhofer.de/dokumente/N-328083.html