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Modification of weight function method to predict stress intensity factors of two cracks

Malaysian Technical Universities Conference on Engineering and Technology organized by Universiti Malaysia Pahang in collaboration with Universiti Tun Hussein Onn Malaysia, Universiti Teknikal Malaysia Melaka & Universiti Malaysia Perlis on June 20th - 22nd, 2009, at MS Garden Hotel, Kuantan, P...

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Main Authors: Muhamad Saifuldin, Abdul Manan, Suhaimi, Illias, Mohd Fathullah, Ghazli@Ghazali
Format: Working Paper
Language:English
Published: Universiti Malaysia Pahang 2010
Subjects:
Crack
Stress intensity factor
Weight function
Malaysian Technical Universities Conference on Engineering and Technology (MUCEET)
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/8717
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spelling my.unimap-87172010-08-17T02:31:43Z Modification of weight function method to predict stress intensity factors of two cracks Muhamad Saifuldin, Abdul Manan Suhaimi, Illias Mohd Fathullah, Ghazli@Ghazali Crack Stress intensity factor Weight function Malaysian Technical Universities Conference on Engineering and Technology (MUCEET) Malaysian Technical Universities Conference on Engineering and Technology organized by Universiti Malaysia Pahang in collaboration with Universiti Tun Hussein Onn Malaysia, Universiti Teknikal Malaysia Melaka & Universiti Malaysia Perlis on June 20th - 22nd, 2009, at MS Garden Hotel, Kuantan, Pahang, Malaysia. The stress intensity factor K is a very important parameter in fracture mechanics. For example, it is needed to calculate critical crack length and remaining strength or life for structural components which contain cracks. Many numerical and analytical methods of obtaining K solutions have been developed since 1950s. It is known that a powerful feature of a weight function approach is the ability to determine K solutions for an arbitrary applied stress. Weight function methods have been applied extensively to problems concerning a single crack. So far, no attempt has been made to use a weight function method to determine K solution for two cracks. This paper discusses the development of a novel weight function method in order to predict K values of two edge cracks in a finite body under uniform tension. The crack interaction effect was established using a non-uniform stress distribution along the potential crack plane to simulate the presence of an additional edge crack. The FE modelling technique used in this paper is also briefly discussed. Overall results obtained from the weight function approach are encouraging as they display the general expected trend and compare well to the FEA results. 2010-08-17T02:31:43Z 2010-08-17T02:31:43Z 2009-06-20 Working Paper http://hdl.handle.net/123456789/8717 en Proceedings of the Malaysian Technical Universities Conference on Engineering and Technology (MUCEET) 2009 Universiti Malaysia Pahang
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Crack
Stress intensity factor
Weight function
Malaysian Technical Universities Conference on Engineering and Technology (MUCEET)
spellingShingle Crack
Stress intensity factor
Weight function
Malaysian Technical Universities Conference on Engineering and Technology (MUCEET)
Muhamad Saifuldin, Abdul Manan
Suhaimi, Illias
Mohd Fathullah, Ghazli@Ghazali
Modification of weight function method to predict stress intensity factors of two cracks
description Malaysian Technical Universities Conference on Engineering and Technology organized by Universiti Malaysia Pahang in collaboration with Universiti Tun Hussein Onn Malaysia, Universiti Teknikal Malaysia Melaka & Universiti Malaysia Perlis on June 20th - 22nd, 2009, at MS Garden Hotel, Kuantan, Pahang, Malaysia.
format Working Paper
author Muhamad Saifuldin, Abdul Manan
Suhaimi, Illias
Mohd Fathullah, Ghazli@Ghazali
author_facet Muhamad Saifuldin, Abdul Manan
Suhaimi, Illias
Mohd Fathullah, Ghazli@Ghazali
author_sort Muhamad Saifuldin, Abdul Manan
title Modification of weight function method to predict stress intensity factors of two cracks
title_short Modification of weight function method to predict stress intensity factors of two cracks
title_full Modification of weight function method to predict stress intensity factors of two cracks
title_fullStr Modification of weight function method to predict stress intensity factors of two cracks
title_full_unstemmed Modification of weight function method to predict stress intensity factors of two cracks
title_sort modification of weight function method to predict stress intensity factors of two cracks
publisher Universiti Malaysia Pahang
publishDate 2010
url http://dspace.unimap.edu.my/xmlui/handle/123456789/8717
_version_ 1643789305909346304
score 13.209306

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