IFC BIM-Based Methodology for Semi-Automated Building Energy Performance Simulation

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Building energy performance (BEP) simulation is still rarely used in building design, commissioning and operations. The process is too costly and too labor intensive, and it takes too long to deliver results. Its quantitative results are not reproducible due to arbitrary decisions and assumptions made in simulation model definition, and can be trusted only under special circumstances. A methodology to semi-automate BEP simulation preparation and execution makes this process much more effective. It incorporates principles of information science and aims to eliminate inappropriate human intervention that results in subjective and arbitrary decisions. This is achieved by automating every part of ... continued below

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Bazjanac, Vladimir July 1, 2008.

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Building energy performance (BEP) simulation is still rarely used in building design, commissioning and operations. The process is too costly and too labor intensive, and it takes too long to deliver results. Its quantitative results are not reproducible due to arbitrary decisions and assumptions made in simulation model definition, and can be trusted only under special circumstances. A methodology to semi-automate BEP simulation preparation and execution makes this process much more effective. It incorporates principles of information science and aims to eliminate inappropriate human intervention that results in subjective and arbitrary decisions. This is achieved by automating every part of the BEP modeling and simulation process that can be automated, by relying on data from original sources, and by making any necessary data transformation rule-based and automated. This paper describes the new methodology and its relationship to IFC-based BIM and software interoperability. It identifies five steps that are critical to its implementation, and shows what part of the methodology can be applied today. The paper concludes with a discussion of application to simulation with EnergyPlus, and describes data transformation rules embedded in the new Geometry Simplification Tool (GST).

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  • CIB-W78 25th International Conference on Information Technology in Construction, Santiago, Chile, July 15-17, 2008

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  • Report No.: LBNL-919E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 938422
  • Archival Resource Key: ark:/67531/metadc897563

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  • July 1, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Jan. 4, 2017, 5:51 p.m.

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Bazjanac, Vladimir. IFC BIM-Based Methodology for Semi-Automated Building Energy Performance Simulation, article, July 1, 2008; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc897563/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.