Framework for parametric assessment of operational and embodied energy impacts utilising BIM

Alwan, Zaid; Nawarathna, A.M.D.B.; Ayman, Rana; Zhu, Mingyu; Elghazi, Yomna

doi:10.1016/j.jobe.2021.102768

Cited by 31 publications

(8 citation statements)

References 35 publications

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“…De acordo com Alwan et al (2021), o setor da construção civil está enfrentando a pressão de adotar medidas globais de sustentabilidade para atender aos Objetivos do Desenvolvimento Sustentável (ODS). No entanto, um dos desafios que ainda existem é a limitação do uso do sistema BIM para melhorar a qualidade do design, aumentar a produtividade e permitir uma melhor colaboração.…”

Section: Análises Dos Resultados Ou Discussõesunclassified

Análise Sistemática Da Conexão De Eficiência Energética Em Edificações Comerciais Com Os Objetivos Do Desenvolvimento Sustentável E as Mudanças Climáticas

REBELATTO,

SALVIA,

BUENO

et al. 2023

IMPÁCT

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Buildings have a huge role in the increase of energy consumption and in the energy-related CO2 emissions. Buildings are also important to the society's transition to a low-carbon economy, with increased energy efficiency and lower environmental impacts. This research aimed to identify through a systematic review of the literature relevant existing studies on the theme of energy efficiency in commercial buildings and analyze their connection with Sustainable Development Goals (SDG) and Climate Mitigation. The databases Web of Science and Scopus were used with specific search criteria and resulted in 227 articles published in the last decade. This research illustrates a comprehensive approach related to the panorama of the relation between articles and SDGs and climate mitigation. In addition, the discussion of the literature review highlights examples with benefits and barriers forthe implementation of energy efficiency in commercial buildings, showing its relevant features.

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Section: Análises Dos Resultados Ou Discussõesunclassified

Análise Sistemática Da Conexão De Eficiência Energética Em Edificações Comerciais Com Os Objetivos Do Desenvolvimento Sustentável E as Mudanças Climáticas

REBELATTO,

SALVIA,

BUENO

et al. 2023

IMPÁCT

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“…In this way, the generated model is applicable for further purposes represented as BIM dimensions [76,77] and can be utilized in the whole life cycle of a building. Furthermore, the application of environmental assessment is not yet implemented into commercial software solutions used in BIM [78], and the interoperability between BIM and LCA tools also needs to be significantly improved [35]. The findings present a practical tool that designers can use that is integrated within the BIM workflow, thus providing a possible alternative to BIM-based environmental analysis tools.…”

Section: Advantages Of the Proposed Methodsmentioning

confidence: 99%

A Parametric BIM Framework to Conceptual Structural Design for Assessing the Embodied Environmental Impact

Károlyfi

Szép

2023

Sustainability

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Decisions made in the early design stage have a significant effect on a building’s performance and environmental impact. In practice, a conceptual design is performed by an architect, while a structural engineer begins to work in later phases when the architectural concept has already evolved. However, the geometry and form of a building directly determine the type of structure and applicable materials; therefore, the conceptual design phase gives rise to examining alternative solutions. This paper presents a method for generating alternative structural solutions in the conceptual design phase and examining their embodied environmental impact by integrating parametric design and building information modeling (BIM). Rhinoceros and Grasshopper were used to develop the parametric script, which includes the generation of geometrical variations, the automatic definition of initial cross sections for the load-bearing elements based on in-built structural design approximations, the datasets for embodied environmental impact of the used building materials, the generation of life cycle inventory (LCI), the automatic calculation of life cycle assessment (LCA) results based on the geometry, and the conversion of the parametric model into building information model. The method was demonstrated using a case study of 48 different alternative solutions for an unheated warehouse made of steel frames. Based on the results, the areas with the greatest energy impact were identified. The case study analysis also illustrated that the applied cross section may have a significant effect on the impact categories. The results draw attention to the complexity of LCA calculations even in the case of a simple structure containing a limited number of variables, where parametric design can serve as an effective tool for a comprehensive environmental impact assessment.

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“…8 Parametric tools, including Grasshopper, can highlight the impact of relevant geometric and material variables, specifically embodied energy and operational costs, while increasing awareness of the potential effects of interacting design and material decisions. 9 Nevertheless, Grasshopper-based methods may be best suited for small-scale problems with less complex models. 10 PAPER Yet, current mainstream digital tools for analyzing embodied carbon, such as Tally and OneClick LCA, 11 have significant limitations.…”

Section: Background and Relevant Literaturementioning

confidence: 99%

Embodied and Operational Carbon Analysis: A Grasshopper-Based Method for Visually Comparing Impacts of Material Choices

Christenson,

Gay,

Srivastava

2024

112th ACSA Annual Meeting Proceedings, Disruptors on the Edge

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This paper aims to describe and evaluate a parametric method for enabling embodied carbon analysis early in architectural design. The method utilizes Grasshopper, within Rhino, to convert volumes of modeled materials into equivalent volumes of carbon dioxide, providing a means to visualize and compare embodied carbon impacts. As described here, the parametric method is an extension of an earlier method developed within a graduate-level architecture design studio taught by authors Mike Christenson and Malini Srivastava, focused on renovating an existing building. The studio aimed to influence students’ awareness and consideration of embodied carbon impacts in their design processes. Author Robert Gay, a student in the studio, proposed an extension to the original method, increasing its relevance to early design decisions informed by awareness of embodied carbon impacts. The paper provides details on the extended method and its implementation, identifies limitations, and proposes specific enhancements.

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Framework for parametric assessment of operational and embodied energy impacts utilising BIM

Cited by 31 publications

References 35 publications

Análise Sistemática Da Conexão De Eficiência Energética Em Edificações Comerciais Com Os Objetivos Do Desenvolvimento Sustentável E as Mudanças Climáticas

Análise Sistemática Da Conexão De Eficiência Energética Em Edificações Comerciais Com Os Objetivos Do Desenvolvimento Sustentável E as Mudanças Climáticas

A Parametric BIM Framework to Conceptual Structural Design for Assessing the Embodied Environmental Impact

Embodied and Operational Carbon Analysis: A Grasshopper-Based Method for Visually Comparing Impacts of Material Choices

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