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A BIM-integrated Thailand building energy code framework for building envelope thermal requirements in a conceptual design stage.

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Title: A BIM-integrated Thailand building energy code framework for building envelope thermal requirements in a conceptual design stage.
Authors: Changnawa, Thanasarn1,2 (AUTHOR) thanasarnc@nu.ac.th, Baltazar, Juan Carlos2 (AUTHOR)
Source: International Journal of Architectural Computing. Mar2025, Vol. 23 Issue 1, p239-260. 22p.
Subjects: Visual programming languages (Computer science), Building information modeling, Heat transfer, Conceptual design, Building envelopes
Abstract: This work presents the development of a building energy code (BEC) of Thailand compliance framework during conceptual design stages (CDS) using building information modeling (BIM) through visual programming language (VPL). The proposed method included five steps: (i) establish a commercial building reference; (ii) develop a BIM base model; (iii) create a BIM overall thermal transfer value (OTTV) and roof thermal transfer value (RTTV) calculation model with VPL scripts; (iv) test the BIM framework with various scenarios; and (v) verify the results with Thailand BEC software. The findings revealed an insignificant difference between the results from the BIM calculation model and those estimated by the Thailand BEC software. This study demonstrated that using BIM with VPL for OTTV and RTTV calculations during the CDS may be implemented automatically, which could help designers make timely decisions to comply with Thailand's BEC, considering building design, materials, and fenestration ratios. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Architectural Computing is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A BIM-integrated Thailand building energy code framework for building envelope thermal requirements in a conceptual design stage.
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  Data: <searchLink fieldCode="AR" term="%22Changnawa%2C+Thanasarn%22">Changnawa, Thanasarn</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> thanasarnc@nu.ac.th</i><br /><searchLink fieldCode="AR" term="%22Baltazar%2C+Juan+Carlos%22">Baltazar, Juan Carlos</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Architectural+Computing%22">International Journal of Architectural Computing</searchLink>. Mar2025, Vol. 23 Issue 1, p239-260. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Visual+programming+languages+%28Computer+science%29%22">Visual programming languages (Computer science)</searchLink><br /><searchLink fieldCode="DE" term="%22Building+information+modeling%22">Building information modeling</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+transfer%22">Heat transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Conceptual+design%22">Conceptual design</searchLink><br /><searchLink fieldCode="DE" term="%22Building+envelopes%22">Building envelopes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work presents the development of a building energy code (BEC) of Thailand compliance framework during conceptual design stages (CDS) using building information modeling (BIM) through visual programming language (VPL). The proposed method included five steps: (i) establish a commercial building reference; (ii) develop a BIM base model; (iii) create a BIM overall thermal transfer value (OTTV) and roof thermal transfer value (RTTV) calculation model with VPL scripts; (iv) test the BIM framework with various scenarios; and (v) verify the results with Thailand BEC software. The findings revealed an insignificant difference between the results from the BIM calculation model and those estimated by the Thailand BEC software. This study demonstrated that using BIM with VPL for OTTV and RTTV calculations during the CDS may be implemented automatically, which could help designers make timely decisions to comply with Thailand's BEC, considering building design, materials, and fenestration ratios. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Architectural Computing is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/14780771241296260
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      – Code: eng
        Text: English
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        PageCount: 22
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        Type: general
      – SubjectFull: Building information modeling
        Type: general
      – SubjectFull: Heat transfer
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      – SubjectFull: Conceptual design
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      – SubjectFull: Building envelopes
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              Text: Mar2025
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              Y: 2025
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