Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis

Friction stir welding of aluminium alloys widely used in automotive and aerospace application due to its advanced and lightweight properties. The behaviour of FSW joints plays a significant role in the dynamic characteristic of the structure due to its complexities and uncertainties therefore the re...

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Main Authors:	Siti Norazila, Zahari, M. S. M., Sani, M., Ishak
Format:	Conference or Workshop Item
Language:	English English
Published:	EDP Sciences 2017
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/14370/ http://umpir.ump.edu.my/id/eprint/14370/ http://umpir.ump.edu.my/id/eprint/14370/1/Finite%20Element%20Modelling%20and%20Updating%20of%20Friction%20Stir%20Welding%20%28FSW%29%20Joint%20for%20Vibration%20Analysis.pdf http://umpir.ump.edu.my/id/eprint/14370/7/fkm-2017-shahrir-Finite%20element%20modelling.pdf

id	ump-14370
recordtype	eprints
spelling	ump-143702017-11-01T02:44:04Z http://umpir.ump.edu.my/id/eprint/14370/ Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis Siti Norazila, Zahari M. S. M., Sani M., Ishak TJ Mechanical engineering and machinery Friction stir welding of aluminium alloys widely used in automotive and aerospace application due to its advanced and lightweight properties. The behaviour of FSW joints plays a significant role in the dynamic characteristic of the structure due to its complexities and uncertainties therefore the representation of an accurate finite element model of these joints become a research issue. In this paper, various finite elements (FE) modelling technique for prediction of dynamic properties of sheet metal jointed by friction stir welding will be presented. Firstly, nine set of flat plate with different series of aluminium alloy; AA7075 and AA6061 joined by FSW are used. Nine set of specimen was fabricated using various types of welding parameters. In order to find the most optimum set of FSW plate, the finite element model using equivalence technique was developed and the model validated using experimental modal analysis (EMA) on nine set of specimen and finite element analysis (FEA). Three types of modelling were engaged in this study; rigid body element Type 2 (RBE2), bar element (CBAR) and spot weld element connector (CWELD). CBAR element was chosen to represent weld model for FSW joints due to its accurate prediction of mode shapes and contains an updating parameter for weld modelling compare to other weld modelling. Model updating was performed to improve correlation between EMA and FEA and before proceeds to updating, sensitivity analysis was done to select the most sensitive updating parameter. After perform model updating, total error of the natural frequencies for CBAR model is improved significantly. EDP Sciences 2017 Conference or Workshop Item PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/14370/1/Finite%20Element%20Modelling%20and%20Updating%20of%20Friction%20Stir%20Welding%20%28FSW%29%20Joint%20for%20Vibration%20Analysis.pdf application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/14370/7/fkm-2017-shahrir-Finite%20element%20modelling.pdf Siti Norazila, Zahari and M. S. M., Sani and M., Ishak (2017) Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis. In: MATEC Web of Conferences: The 2nd International Conference on Automotive Innovation and Green Vehicle (AiGEV 2016), 2-3 August 2016 , Malaysia Automotive Institute, Cyberjaya, Selangor. pp. 1-11., 90 (01021). ISSN 2261-236X http://dx.doi.org/10.1051/matecconf/20179001021
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Siti Norazila, Zahari M. S. M., Sani M., Ishak Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
description	Friction stir welding of aluminium alloys widely used in automotive and aerospace application due to its advanced and lightweight properties. The behaviour of FSW joints plays a significant role in the dynamic characteristic of the structure due to its complexities and uncertainties therefore the representation of an accurate finite element model of these joints become a research issue. In this paper, various finite elements (FE) modelling technique for prediction of dynamic properties of sheet metal jointed by friction stir welding will be presented. Firstly, nine set of flat plate with different series of aluminium alloy; AA7075 and AA6061 joined by FSW are used. Nine set of specimen was fabricated using various types of welding parameters. In order to find the most optimum set of FSW plate, the finite element model using equivalence technique was developed and the model validated using experimental modal analysis (EMA) on nine set of specimen and finite element analysis (FEA). Three types of modelling were engaged in this study; rigid body element Type 2 (RBE2), bar element (CBAR) and spot weld element connector (CWELD). CBAR element was chosen to represent weld model for FSW joints due to its accurate prediction of mode shapes and contains an updating parameter for weld modelling compare to other weld modelling. Model updating was performed to improve correlation between EMA and FEA and before proceeds to updating, sensitivity analysis was done to select the most sensitive updating parameter. After perform model updating, total error of the natural frequencies for CBAR model is improved significantly.
format	Conference or Workshop Item
author	Siti Norazila, Zahari M. S. M., Sani M., Ishak
author_facet	Siti Norazila, Zahari M. S. M., Sani M., Ishak
author_sort	Siti Norazila, Zahari
title	Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
title_short	Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
title_full	Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
title_fullStr	Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
title_full_unstemmed	Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis
title_sort	finite element modelling and updating of friction stir welding (fsw) joint for vibration analysis
publisher	EDP Sciences
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/14370/ http://umpir.ump.edu.my/id/eprint/14370/ http://umpir.ump.edu.my/id/eprint/14370/1/Finite%20Element%20Modelling%20and%20Updating%20of%20Friction%20Stir%20Welding%20%28FSW%29%20Joint%20for%20Vibration%20Analysis.pdf http://umpir.ump.edu.my/id/eprint/14370/7/fkm-2017-shahrir-Finite%20element%20modelling.pdf
first_indexed	2023-09-18T22:18:03Z
last_indexed	2023-09-18T22:18:03Z
_version_	1777415469968392192

Finite Element Modelling and Updating of Friction Stir Welding (FSW) Joint for Vibration Analysis

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