On practical aspects of optimal modelling in boundary element method

The paper is concerned with application of the BEM in the environmental noise problems. The main step of the BEM is the discretization of the boundary into elements. Using too many elements is not efficient. To eliminate this drawback, in this paper two ideas are proposed. First of th...

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Main Authors: A. Brański, R. Olszewski
Format: Article
Language:English
Published: Institute of Fundamental Technological Research Polish Academy of Sciences 2001-01-01
Series:Archives of Acoustics
Online Access:https://acoustics.ippt.pan.pl/index.php/aa/article/view/391
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author A. Brański
R. Olszewski
author_facet A. Brański
R. Olszewski
author_sort A. Brański
collection DOAJ
description The paper is concerned with application of the BEM in the environmental noise problems. The main step of the BEM is the discretization of the boundary into elements. Using too many elements is not efficient. To eliminate this drawback, in this paper two ideas are proposed. First of them is the optimal discretization, and the second one is the solution of the modelling problem in rotated coordinates. Since the optimal discretization theory derived for the function of one variable, then only the 2D problem is considered. The commercial code SYSNOISE is used to solve the numerical examples. The results confirm the utility of the proposed ideas.
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id doaj-art-36c93acf045f4b7682420547aef8e173
institution DOAJ
issn 0137-5075
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language English
publishDate 2001-01-01
publisher Institute of Fundamental Technological Research Polish Academy of Sciences
record_format Article
series Archives of Acoustics
spelling doaj-art-36c93acf045f4b7682420547aef8e1732025-08-20T02:39:22ZengInstitute of Fundamental Technological Research Polish Academy of SciencesArchives of Acoustics0137-50752300-262X2001-01-01262On practical aspects of optimal modelling in boundary element methodA. Brański0R. Olszewski1Pedagogical University, Institute of TechnicsUniversity of Mining and Metallurgy, Department of Mechanics and VibroacousticsThe paper is concerned with application of the BEM in the environmental noise problems. The main step of the BEM is the discretization of the boundary into elements. Using too many elements is not efficient. To eliminate this drawback, in this paper two ideas are proposed. First of them is the optimal discretization, and the second one is the solution of the modelling problem in rotated coordinates. Since the optimal discretization theory derived for the function of one variable, then only the 2D problem is considered. The commercial code SYSNOISE is used to solve the numerical examples. The results confirm the utility of the proposed ideas. https://acoustics.ippt.pan.pl/index.php/aa/article/view/391
spellingShingle A. Brański
R. Olszewski
On practical aspects of optimal modelling in boundary element method
Archives of Acoustics
title On practical aspects of optimal modelling in boundary element method
title_full On practical aspects of optimal modelling in boundary element method
title_fullStr On practical aspects of optimal modelling in boundary element method
title_full_unstemmed On practical aspects of optimal modelling in boundary element method
title_short On practical aspects of optimal modelling in boundary element method
title_sort on practical aspects of optimal modelling in boundary element method
url https://acoustics.ippt.pan.pl/index.php/aa/article/view/391
work_keys_str_mv AT abranski onpracticalaspectsofoptimalmodellinginboundaryelementmethod
AT rolszewski onpracticalaspectsofoptimalmodellinginboundaryelementmethod