Stress, Damage & Failure Mechanisms Research Group

Principal Investigator

Dr. Feizal Yusof My research interests are centered within computational and experimental solid mechanics and specifically into fracture mechanics. Selected Publications F.Yusof (2019) "Three-dimensional assessments of crack tip constraint", Theoretical and Applied Fracture Mechanics vol.101, pp. 1-16. Yusof, F., Withers, P.J.W., Lopez-Crespo, P., (2013) "Effect of overload on crack closure in thick and thin specimens via digital image correlation" International Journal of Fatigue, 56, pp. 17-24. Yusof, F., Withers, P.J.W., (2009) "Real-time acquisition of fatigue crack images for monitoring crack-tip stress intensity variations within fatigue cycles" Journal of Strain Analysis for Engineering Design. Yusof, F., Hancock, J.W., (2005) "In-plane and Out-of-plane constraint effects in three-dimensional elastic perfectly-plastic crack tip field" International Conference on Fracture (ICF 11), Turin, Italy

Dr. Feizal Yusof

My research interests are centered within computational and experimental solid mechanics and specifically into fracture mechanics.

Selected Publications

F.Yusof (2019) "Three-dimensional assessments of crack tip constraint", Theoretical and Applied Fracture Mechanics vol.101, pp. 1-16.

Yusof, F., Withers, P.J.W., Lopez-Crespo, P., (2013) "Effect of overload on crack closure in thick and thin specimens via digital image correlation" International Journal of Fatigue, 56, pp. 17-24.

Yusof, F., Withers, P.J.W., (2009) "Real-time acquisition of fatigue crack images for monitoring crack-tip stress intensity variations within fatigue cycles" Journal of Strain Analysis for Engineering Design.

Yusof, F., Hancock, J.W., (2005) "In-plane and Out-of-plane constraint effects in three-dimensional elastic perfectly-plastic crack tip field" International Conference on Fracture (ICF 11), Turin, Italy

Active Co-investigator

Dr. Norwahida Yusoff Selected Publications N. Yusoff and F.Yusof (2019) "Characterization of elastic-plastic corner deformation and stress fields", International Journal of Structural Integrity DOI:10.1108/IJSI-03-2019-0023"

Current Postgraduate Students

Ms.Wong Siew Kuen Sponsor: Self sponsored My project is concerned with modelling plasticity induce crack closure over a typical fatigue crack growth pertubed by an overload in metallic materials using finite element technique.

Ms.Sana Zulfiqar Sponsor: HEC Pakistan Co-supervised with Dr Abdullah Aziz Saad.

Graduated PhD/MSc Students

Mr.Leong Karh Heng Sponsored: MOHE Thesis title: Constraint estimation schemes of deep and shallow cracks. Publications F.Yusof and K.H. Leong (2019) "Elastic-plastic J-Tz dominance in bending and tension", International Journal of Structural Integrity (accepted in press) F.Yusof and K.H. Leong (2018) "Quantification of constraint loss in three-dimensional non-hardening crack-tip fields", Jurnal Kejuruteraan, pp. 1-7 K.H. Leong and F.Yusof (2017) "Validity of J-Q-Tz parameter for three dimensional asymptotic crack-tip fields in non-hardening materials", AIP Conf. Proc., 1865, pp. 030004-1-030004-6 K.H. Leong, F.Yusof (2016) "An improved algorithm of finite element mesh generation for fracture mechanics analysis" ARPN Journal of Engineering and Applied Sciences, vol 11, no. 1, pp. 210-215. Completed: August 2017; Now pursuing Ph.D at NUS

Mr.Leong Karh Heng
Sponsored: MOHE
Thesis title: Constraint estimation schemes of deep and shallow cracks.

Publications

F.Yusof and K.H. Leong (2019) "Elastic-plastic J-Tz dominance in bending and tension", International Journal of Structural Integrity (accepted in press)

F.Yusof and K.H. Leong (2018) "Quantification of constraint loss in three-dimensional non-hardening crack-tip fields", Jurnal Kejuruteraan, pp. 1-7

K.H. Leong and F.Yusof (2017) "Validity of J-Q-Tz parameter for three dimensional asymptotic crack-tip fields in non-hardening materials", AIP Conf. Proc., 1865, pp. 030004-1-030004-6

K.H. Leong, F.Yusof (2016) "An improved algorithm of finite element mesh generation for fracture mechanics analysis" ARPN Journal of Engineering and Applied Sciences, vol 11, no. 1, pp. 210-215.

Completed: August 2017;
Now pursuing Ph.D at NUS

Mr.Rizman Hariz Abdul Latif Sponsor: MOHE Thesis title: Constraint estimation schemes of semi-elliptical surface cracks. Publications R.H.A. Latif and F.Yusof (2017) "Asymptotic crack tip fields of surface cracked panels under non-hardening bending loads", AIP Conf. Proc., 1865, pp. 030002-1-030002-6 R.H.A. Latiff, F.Yusof (2016) "An improved method to model semi-elliptical surface cracks using element mismatch in ABAQUS" ARPN Journal of Engineering and Applied Sciences, vol 11, no. 1, pp. 222-228. Completed: August 2017; Now in Sandisk Penang

Mr.Rizman Hariz Abdul Latif
Sponsor: MOHE
Thesis title: Constraint estimation schemes of semi-elliptical surface cracks.

Publications

R.H.A. Latif and F.Yusof (2017) "Asymptotic crack tip fields of surface cracked panels under non-hardening bending loads", AIP Conf. Proc., 1865, pp. 030002-1-030002-6

R.H.A. Latiff, F.Yusof (2016) "An improved method to model semi-elliptical surface cracks using element mismatch in ABAQUS" ARPN Journal of Engineering and Applied Sciences, vol 11, no. 1, pp. 222-228.

Completed: August 2017;
Now in Sandisk Penang

Graduated B.Eng Students

Name	Year	Title
Muhammad Dhirar As Suhaimi Bin Ismail	2019	Three-dimensional fatigue crack growth using Ansys failure mechanism technique
Muzhaffar Bin Mustaffa Kamal	2018	Development of a gas launcher for tension SHPB testing
Muhammad Shafeeq Bin Abdul Hannan	2018	Development of an X-Fem fatigue crack growth model
Siti Nuraimi Abdul Hamid	2017	Development of a crack mouth displacement gauge for fracture mechanics specimens
Syafazirah Shuhaimi	2016	Mechanical Simulation of tensile properties of heat affected zone of aluminium alloy welded joint
M. Fareez Jaafar	2016	Effect of thickness on toughness of thin and thick specimen
Sim Mun Chun	2015	Modelling non-hardening mixed mode asymptotic crack-tip fields
Ali Akhbar Idris	2015	Modelling residual stress effect on crack tip constraint
M. Faezazren Asmadi	2015	A study on the effect of residual stress on electrical wire cables
Tan Ek Kun	2015	A study on four-point-bending deformation mapping using digital image correlation
Rizman Hariz Abdul Latiff	2014	A study on the mechanics of intermittent contact in cable assembly: Experimental Analysis
Leong Karh Heng	2014	A study on the mechanics of intermittent contact in cable assembly: Numerical Analysis
M.Shazelee Simon	2014	Strain analysis of piping system due to internal pressure
Ng Wai Lun	2013	Determination of plane strain fracture toughness of AISI 316L steel using digital image correlation
Ang Yen Kai	2013	Determination of the hardness of nano thickness plating of gold
Wong Kah Peng	2013	Effect of grain orientation of metallic materials to mechanical properties using digital image correlation
Alex Yeo Siang Chew	2012	Determination of residual stress in a cable jacket of a RSM module
Mohammad Kamaruddin Khalid	2012	Failure analysis of RSM cable: Materials characterisation and failure load analysis
Ang Wei Keat	2012	Design and development of a split hopkinson pressure bar for tension loading
Chew Zhi Yang	2012	Development and characterisation of a small scale pressurised system for stress-strain analysis
Teoh Kong Yi	2011	A study on the nature of three-dimensional mixed modes elastic-plastic crack tip fields
Ruzainy Musa	2011	An experimental study of fracture of thin microcracked glass
Prakash Sogamaur	2011	A computational study of fracture of thin microcracked glass