A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking

Building solar protection regulations is essential to save energy in hot climates. The protection performance is assessed using a shading factor computation that models the sky irradiance and the geometry of shadow obstructing the surface of interest. While Building Information Modeling is nowadays...
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Gespeichert in:

Autor*in:	Charles Voivret [verfasserIn] Dimitri Bigot [verfasserIn] Garry Rivière [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	shading factor building information modeling solar protection shadow geometry regulation checking automation

Übergeordnetes Werk:	In: Buildings - MDPI AG, 2012, 13(2023), 12, p 3120
Übergeordnetes Werk:	volume:13 ; year:2023 ; number:12, p 3120

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/buildings13123120

Katalog-ID:	DOAJ098899449

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language	English
source	In Buildings 13(2023), 12, p 3120 volume:13 year:2023 number:12, p 3120
sourceStr	In Buildings 13(2023), 12, p 3120 volume:13 year:2023 number:12, p 3120
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	shading factor building information modeling solar protection shadow geometry regulation checking automation Building construction
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container_title	Buildings
authorswithroles_txt_mv	Charles Voivret @@aut@@ Dimitri Bigot @@aut@@ Garry Rivière @@aut@@
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callnumber-first	T - Technology
author	Charles Voivret
spellingShingle	Charles Voivret misc TH1-9745 misc shading factor misc building information modeling misc solar protection misc shadow geometry misc regulation checking misc automation misc Building construction A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking
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topic_title	TH1-9745 A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking shading factor building information modeling solar protection shadow geometry regulation checking automation
topic	misc TH1-9745 misc shading factor misc building information modeling misc solar protection misc shadow geometry misc regulation checking misc automation misc Building construction
topic_unstemmed	misc TH1-9745 misc shading factor misc building information modeling misc solar protection misc shadow geometry misc regulation checking misc automation misc Building construction
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title	A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking
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title_full	A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking
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title_sort	method to compute shadow geometry in open building information modeling authoring tools: automation of solar regulation checking
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title_auth	A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking
abstract	Building solar protection regulations is essential to save energy in hot climates. The protection performance is assessed using a shading factor computation that models the sky irradiance and the geometry of shadow obstructing the surface of interest. While Building Information Modeling is nowadays a standard approach for practitioners, computing shadow geometry in BIM authoring tools is natively impossible. Methods to compute shadow geometry exist but are out of reach for the usual BIM authoring tool user because of algorithm complexity and non-friendly BIM implementation platform. This study presents a novel approach, dubbed solid clipping, to calculate shadow geometry accurately in a BIM authoring tool. The aim is to enhance project delivery by enabling solar control verification. This method is based on typical Computer Aided Design (CAD) in BIM authoring tools. The method is generic enough to be implemented using any BIM authoring tool’s visual and textual API. This work demonstrates that a thermal regulation, here the French overseas one, can be checked concerning solar protection, thanks to a BIM model. Beyond automation, this paper shows that, by directly leveraging the BIM model, designs presently not feasible by the usual process can be studied and checked.
abstractGer	Building solar protection regulations is essential to save energy in hot climates. The protection performance is assessed using a shading factor computation that models the sky irradiance and the geometry of shadow obstructing the surface of interest. While Building Information Modeling is nowadays a standard approach for practitioners, computing shadow geometry in BIM authoring tools is natively impossible. Methods to compute shadow geometry exist but are out of reach for the usual BIM authoring tool user because of algorithm complexity and non-friendly BIM implementation platform. This study presents a novel approach, dubbed solid clipping, to calculate shadow geometry accurately in a BIM authoring tool. The aim is to enhance project delivery by enabling solar control verification. This method is based on typical Computer Aided Design (CAD) in BIM authoring tools. The method is generic enough to be implemented using any BIM authoring tool’s visual and textual API. This work demonstrates that a thermal regulation, here the French overseas one, can be checked concerning solar protection, thanks to a BIM model. Beyond automation, this paper shows that, by directly leveraging the BIM model, designs presently not feasible by the usual process can be studied and checked.
abstract_unstemmed	Building solar protection regulations is essential to save energy in hot climates. The protection performance is assessed using a shading factor computation that models the sky irradiance and the geometry of shadow obstructing the surface of interest. While Building Information Modeling is nowadays a standard approach for practitioners, computing shadow geometry in BIM authoring tools is natively impossible. Methods to compute shadow geometry exist but are out of reach for the usual BIM authoring tool user because of algorithm complexity and non-friendly BIM implementation platform. This study presents a novel approach, dubbed solid clipping, to calculate shadow geometry accurately in a BIM authoring tool. The aim is to enhance project delivery by enabling solar control verification. This method is based on typical Computer Aided Design (CAD) in BIM authoring tools. The method is generic enough to be implemented using any BIM authoring tool’s visual and textual API. This work demonstrates that a thermal regulation, here the French overseas one, can be checked concerning solar protection, thanks to a BIM model. Beyond automation, this paper shows that, by directly leveraging the BIM model, designs presently not feasible by the usual process can be studied and checked.
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title_short	A Method to Compute Shadow Geometry in Open Building Information Modeling Authoring Tools: Automation of Solar Regulation Checking
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