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Integration of Building Energy Modeling (BEM) and Building Information Modeling (BIM): Workflows and Case Study

DOI

https://doi.org/10.7275/bn9j-e183

Abstract

Building Energy Modeling (BEM) intends to quantify buildings’ energy performance to help designers and architects better understand the environmental impacts of their decisions. Building Information Modeling (BIM) refers to a digital, model-based representation, where information about building design can be shared among different stakeholders and used during all stages of buildings’ lifecycle. The purpose of this research was to investigate integration of BEM and BIM, using two analysis tools. Green Building Studio (GBS) and Sefaira are two performance analysis software programs, which can be used both in the form of BIM plug-in/built-in tools, as well as web applications to analyze and quantify energy performance of buildings. To capture their level of integration with BIM, an existing Campus Recreation Building on UMass Amherst campus was used as a case study to evaluate modeling processes, requirements, and workflows. Comparative analysis between modeled and actual energy consumption data was also performed to analyze accuracy of the different simulation programs. This paper discusses each tool capabilities and drawbacks in providing accurate energy analysis procedures and results.

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