2019
DOI: 10.3390/en12122448
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An Iterative Methodology for Model Complexity Reduction in Residential Building Simulation

Abstract: The present paper introduces an iterative methodology to progressively reduce building simulation model complexity with the aim of identifying potential trade-offs between computational requirements (i.e., model complexity) and energy estimation accuracy. Different levels of model complexity are analysed, from commercial building energy simulation tools to low order calibrated thermal networks models. Experimental data from a residential building in Germany were collected and used to validate two detailed whit… Show more

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Cited by 23 publications
(10 citation statements)
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“…Despite the extensive research carried out over the last decades, the identification of proper methodologies capable of detecting a trade-o↵ between accuracy and computational cost, which depends on the specific application the model is intended for, is still an open challenge. As for instance, De Rosa et al [107] introduced a top-down methodology to detect a reduced-order model capable of simulating the building energy consumption in a shortterm horizon, compatible with the implementation of demand response measures, and with a reasonable computational cost. The methodology is based on the progressively reduction of the complexity of building models, calibrated against experimental data, while retaining the model structure.…”
Section: Grey Box Modelsmentioning
confidence: 99%
See 1 more Smart Citation
“…Despite the extensive research carried out over the last decades, the identification of proper methodologies capable of detecting a trade-o↵ between accuracy and computational cost, which depends on the specific application the model is intended for, is still an open challenge. As for instance, De Rosa et al [107] introduced a top-down methodology to detect a reduced-order model capable of simulating the building energy consumption in a shortterm horizon, compatible with the implementation of demand response measures, and with a reasonable computational cost. The methodology is based on the progressively reduction of the complexity of building models, calibrated against experimental data, while retaining the model structure.…”
Section: Grey Box Modelsmentioning
confidence: 99%
“…5, which provides the best thermal response of the system, as for instance, measured by the room temperature T r,0 . Calibration procedures correlate the variation in thermal performance (i.e., T r ) with the variation in parameters ( p ), which can be inferred from the semi-physical modelling [113].…”
Section: Grey Box Modelsmentioning
confidence: 99%
“…In the literature, physical-based techniques mainly use numerical models based on finite element, finite difference and finite volume approaches for the simulation of thermal energy demand in various buildings [16]- [23]. In [16], the author developed a finite-difference method to improve the conduction heat transfer through walls when implementing it in TRNSYS.…”
Section: A White-box Techniquesmentioning
confidence: 99%
“…Hourly values for energy demand and indoor temperature are computed with respect to hourly weather data. Authors in [23] analyze different levels of model complexity, from commercial building energy simulation tools to low order calibrated thermal network models. Experimental data from a residential building in Germany were collected and used to validate two detailed white-box models and a simplified white-box model.…”
Section: A White-box Techniquesmentioning
confidence: 99%
“…All the individual parts are described further below. A more detailed description and assessment of the model is also given in [36].…”
Section: Building Demand and Productionmentioning
confidence: 99%