Integrating acoustic simulator in BIM modeling tool
This paper presents the results obtained at the first phase of the development of an application that integrates an existing auralization tool called BRASS (Brazilian Room Acoustic Simulator) into a popular BIM tool. The goal of the project is to obtain an integrated acoustical simulation tool to fa...
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Universidade Estadual de Campinas
2019
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oai:ojs.periodicos.sbu.unicamp.br:article-86539342020-03-13T17:53:51Z Integrating acoustic simulator in BIM modeling tool Integração de simulador acústico em ferramenta de modelagem BIM Menegotto, José Luis Torres, Julio Cesar Boscher BRASS Acoustic simulation Building Information Modeling Auralization. BRASS Simulação acústica Building Information Modeling Auralização. This paper presents the results obtained at the first phase of the development of an application that integrates an existing auralization tool called BRASS (Brazilian Room Acoustic Simulator) into a popular BIM tool. The goal of the project is to obtain an integrated acoustical simulation tool to facilitate the design and decision-making process for the project of room acoustics. A unified and integrated interface avoids the need of architects and engineers to switch between applications to hear the simulation results, facilitating the design decisions. Procedures implemented by BRASS were reprogrammed in Revit to perform the auralization of rooms. The application was programmed on two environments: Dynamo scripts and a set of classes and macros programmed in C# language inside the .NET environment. The results of such integration are binaural audio files that consider the sound spatiality through head-related transfer functions, as well as the visualization of the sound source location and the acoustic field defined by the sound rays, which propagate inside the simulated environment. The article also highlights issues concerning the performance required by acoustical analysis and some aspects regarding the data classification of the parameters used in the process. Este artigo apresenta os resultados obtidos na primeira fase de desenvolvimento de uma aplicação que integra a interface de um ambiente de projeto BIM (Building Information Modeling) ao simulador acústico BRASS (Brazilian Room Acoustic Simulator). O objetivo do projeto é obter um ambiente de auralização integrado à ferramenta de concepção do projeto, buscando facilitar o trabalho de simulação acústica. Uma interface de auralização unificada evita que arquitetos e engenheiros tenham que comutar entre diversas aplicações gráficas para ouvir o resultado da simulação, facilitando a tomada de decisão projetual. Para efetuar a auralização de salas, os procedimentos de cálculo utilizados pelo simulador acústico BRASS foram implementados no aplicativo de modelagem BIM Revit, testando duas implementações: scripts programados no ambiente de programação visual Dynamo e funções programadas em C# no ambiente .NET. Como resultado da integração, são obtidos arquivos de áudio biauriculares que consideram a espacialidade do som através das funções de transferência relativas à cabeça e a visualização da posição da fonte sonora e do campo acústico, definido pelo conjunto de raios sonoros que se propagam dentro do ambiente simulado. São apontados problemas referentes ao desempenho necessário para realizar este tipo de simulações e relacionados à classificação dos parâmetros utilizados. Universidade Estadual de Campinas 2019-05-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Virtual simulation; Experimental measuring Pesquisa experimental; Simulação application/pdf https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8653934 10.20396/parc.v10i0.8653934 PARC Pesquisa em Arquitetura e Construção; Vol. 10 (2019): Continuous publication; e019020 PARC Pesquisa em Arquitetura e Construção; Vol. 10 (2019): Publicação contínua; e019020 PARC Pesquisa em Arquitetura e Construção; v. 10 (2019): Publicação contínua; e019020 1980-6809 por https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8653934/20808 Worldwide; 2019 Mundial; 2019 Copyright (c) 2019 PARC Pesquisa em Arquitetura e Construção |
| institution |
Universidade Estadual de Campinas |
| collection |
OJS |
| language |
por |
| format |
Online |
| author |
Menegotto, José Luis Torres, Julio Cesar Boscher |
| spellingShingle |
Menegotto, José Luis Torres, Julio Cesar Boscher Integrating acoustic simulator in BIM modeling tool |
| author_facet |
Menegotto, José Luis Torres, Julio Cesar Boscher |
| author_sort |
Menegotto, José Luis |
| title |
Integrating acoustic simulator in BIM modeling tool |
| title_short |
Integrating acoustic simulator in BIM modeling tool |
| title_full |
Integrating acoustic simulator in BIM modeling tool |
| title_fullStr |
Integrating acoustic simulator in BIM modeling tool |
| title_full_unstemmed |
Integrating acoustic simulator in BIM modeling tool |
| title_sort |
integrating acoustic simulator in bim modeling tool |
| description |
This paper presents the results obtained at the first phase of the development of an application that integrates an existing auralization tool called BRASS (Brazilian Room Acoustic Simulator) into a popular BIM tool. The goal of the project is to obtain an integrated acoustical simulation tool to facilitate the design and decision-making process for the project of room acoustics. A unified and integrated interface avoids the need of architects and engineers to switch between applications to hear the simulation results, facilitating the design decisions. Procedures implemented by BRASS were reprogrammed in Revit to perform the auralization of rooms. The application was programmed on two environments: Dynamo scripts and a set of classes and macros programmed in C# language inside the .NET environment. The results of such integration are binaural audio files that consider the sound spatiality through head-related transfer functions, as well as the visualization of the sound source location and the acoustic field defined by the sound rays, which propagate inside the simulated environment. The article also highlights issues concerning the performance required by acoustical analysis and some aspects regarding the data classification of the parameters used in the process. |
| publisher |
Universidade Estadual de Campinas |
| publishDate |
2019 |
| url |
https://periodicos.sbu.unicamp.br/ojs/index.php/parc/article/view/8653934 |
| work_keys_str_mv |
AT menegottojoseluis integratingacousticsimulatorinbimmodelingtool AT torresjuliocesarboscher integratingacousticsimulatorinbimmodelingtool AT menegottojoseluis integracaodesimuladoracusticoemferramentademodelagembim AT torresjuliocesarboscher integracaodesimuladoracusticoemferramentademodelagembim |
| _version_ |
1709640970901913600 |