Journal
ENERGY AND BUILDINGS
Volume 68, Issue -, Pages 741-750Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2012.08.048
Keywords
Energy demand; Buildings; Sensitivity analysis; Morris method; Elementary effects; Building thermal simulation
Funding
- region of Pays de la Loire (France)
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Sensitivity analysis plays an important role in the understanding of complex models. It helps to identify the influence of input parameters in relation to the outputs. It can also be a tool to understand the behavior of the model and can then facilitate its development stage. This study aims to analyze and illustrate the potential usefulness of combining first and second-order sensitivity analysis, applied to a building energy model (ESP-r). Through the example of an apartment building, a sensitivity analysis is performed using the method of elementary effects (also known as the Morris method), including an analysis of the interactions between the input parameters (second-order analysis). The usefulness of higher-order analysis is highlighted to support the results of the first-order analysis better. Several aspects are tackled to implement the multi-order sensitivity analysis efficiently: interval size of the variables, the management of non-linearity and the usefulness of various outputs. (C) 2012 Elsevier B.V. All rights reserved.
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