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Effect of elements on linear elastic stress analysis: A finite element approach

The question of “what type of elements should be used?” never fails to pop up in the minds of analysts when carrying out finite element analysis (FEA). Indeed, the selection of elements from a variety of different types of elements is part and partial of FEA. Initially, only one-dimensional (1D) ele...

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Main Authors: Wai, Chee Mun, Rivai, Ahmad, Bapokutty, Omar
Format: Article
Language:English
Published: Sun Publications 2013
Online Access:http://eprints.utem.edu.my/id/eprint/11166/1/IJRET_110210088.pdf
http://eprints.utem.edu.my/id/eprint/11166/
https://ijret.org/volumes/2013v02/i10/IJRET20130210088.pdf
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spelling my.utem.eprints.111662023-07-06T12:44:25Z http://eprints.utem.edu.my/id/eprint/11166/ Effect of elements on linear elastic stress analysis: A finite element approach Wai, Chee Mun Rivai, Ahmad Bapokutty, Omar The question of “what type of elements should be used?” never fails to pop up in the minds of analysts when carrying out finite element analysis (FEA). Indeed, the selection of elements from a variety of different types of elements is part and partial of FEA. Initially, only one-dimensional (1D) elements were developed. The introduction of two-dimensional (2D) and three dimensional (3D) elements, which came later, greatly increase the capability of finite element (FE) programs to model and solve complex engineering problems. Not only do these elements provide improvement in accuracy of the results but also brought about new challenges which include evaluation of numerical errors, validity of results, setup and execution time as well as large computer memory capacity. The outcome of the analysis is very much dependent of the type of element chosen. The aim of this paper is to investigate the factors influencing the selection of elements in FEA by considering the effects of different types of elements on the results of FEA. A simple case study of an I-beam subjected to an asymmetric load is carried out by FEA. Three different models of the I-beam were prepared and analyzed separately using 1D elements, 2D elements, and 3D elements. The results of these models were compared with the mathematical model of the I-beam. The FEA results of these models showed good agreement with the theoretical calculation despite the small and negligible errors in the analysis. Since the aim of FEA is an effective and efficient solution to engineering problems, it becomes a necessity to consider factors such as structural shape, desired analysis results, and computer capability while choosing the right element for the analysis. Sun Publications 2013-10 Article PeerReviewed application/pdf en http://eprints.utem.edu.my/id/eprint/11166/1/IJRET_110210088.pdf Wai, Chee Mun and Rivai, Ahmad and Bapokutty, Omar (2013) Effect of elements on linear elastic stress analysis: A finite element approach. International Journal of Research in Engineering and Technology (IJRET), 02 (10). pp. 561-567. ISSN eISSN: 2319-1163 | pISSN: 2321-7308 https://ijret.org/volumes/2013v02/i10/IJRET20130210088.pdf
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description The question of “what type of elements should be used?” never fails to pop up in the minds of analysts when carrying out finite element analysis (FEA). Indeed, the selection of elements from a variety of different types of elements is part and partial of FEA. Initially, only one-dimensional (1D) elements were developed. The introduction of two-dimensional (2D) and three dimensional (3D) elements, which came later, greatly increase the capability of finite element (FE) programs to model and solve complex engineering problems. Not only do these elements provide improvement in accuracy of the results but also brought about new challenges which include evaluation of numerical errors, validity of results, setup and execution time as well as large computer memory capacity. The outcome of the analysis is very much dependent of the type of element chosen. The aim of this paper is to investigate the factors influencing the selection of elements in FEA by considering the effects of different types of elements on the results of FEA. A simple case study of an I-beam subjected to an asymmetric load is carried out by FEA. Three different models of the I-beam were prepared and analyzed separately using 1D elements, 2D elements, and 3D elements. The results of these models were compared with the mathematical model of the I-beam. The FEA results of these models showed good agreement with the theoretical calculation despite the small and negligible errors in the analysis. Since the aim of FEA is an effective and efficient solution to engineering problems, it becomes a necessity to consider factors such as structural shape, desired analysis results, and computer capability while choosing the right element for the analysis.
format Article
author Wai, Chee Mun
Rivai, Ahmad
Bapokutty, Omar
spellingShingle Wai, Chee Mun
Rivai, Ahmad
Bapokutty, Omar
Effect of elements on linear elastic stress analysis: A finite element approach
author_facet Wai, Chee Mun
Rivai, Ahmad
Bapokutty, Omar
author_sort Wai, Chee Mun
title Effect of elements on linear elastic stress analysis: A finite element approach
title_short Effect of elements on linear elastic stress analysis: A finite element approach
title_full Effect of elements on linear elastic stress analysis: A finite element approach
title_fullStr Effect of elements on linear elastic stress analysis: A finite element approach
title_full_unstemmed Effect of elements on linear elastic stress analysis: A finite element approach
title_sort effect of elements on linear elastic stress analysis: a finite element approach
publisher Sun Publications
publishDate 2013
url http://eprints.utem.edu.my/id/eprint/11166/1/IJRET_110210088.pdf
http://eprints.utem.edu.my/id/eprint/11166/
https://ijret.org/volumes/2013v02/i10/IJRET20130210088.pdf
_version_ 1772815981683408896
score 13.211869

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