Development of a Reference Building Information Model (BIM) for Thermal Model Compliance Testing-Part II: Test Cases and Analysis
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2019 Amer. Soc. Heating, Ref. Air-Conditoning Eng. Inc.. All rights reserved. This paper is the second of two papers that report on the results of ASHRAE Research Project RP-1468. Accurate building performance analysis is necessary for designing high-performance sustainable buildings. This paper discusses the analysis of selected test cases conducted to arrive at mapping rules. The test cases presented include alternative modeling of curved facades; alternative modeling of an arched window with shades; and the analysis of the alternative location of thermal surfaces with respect to the outside face, centerline, and inside face of an exterior wall. The test cases were modeled using Building Information Models (BIMs) and building energy simulation (BES) tools, and simulations were performed. A Rapid Analysis of Energy Simulation Results (RAESR) spreadsheet tool was developed to support the comparison of simulation results. The development process and tools used to conduct the analyses are provided in thefinal three-volume report so they may be ofuse to other researchers.
