Research

Journal Papers

• An optimized hybrid finite element analyses-Artificial neural networks technique for estimating in-plane orthotropic mechanical properties of printed circuit boards; Sameer Al-Dahidi, Mohammad Gharaibeh, Mohammad Alrbai, Bilal Rinchi, Ala Hijazi; Results in Engineering; Vol. 23, September 2024. (DOI 10.1016/j.rineng.2024.102725) [Q1 Engineering, 2024] 

• On the Use of Rigid-Body-Translations for Determining Surface Tilt Angles in Two-dimensional Digital Image Correlation Experiments: A Generalized Approach; Ala Hijazi; Jordan Journal of Mechanical and Industrial Engineering, Vol.15, No.5, December 2021. [Q3 Mechanical Engineering, 2021]

• A Novel Assisted Artificial Neural Network Modeling Approach for Improved Accuracy Using Small Datasets: Application in Residual Strength Evaluation of Panels with Multiple Site Damage Cracks; Ala Hijazi, Sameer Al-Dahidi, Safwan Altarazi; Applied Sciences; Vol. 10, November 2020. (DOI 10.3390/app10228255) [Q2 Engineering, 2020] 

• Residual Strength Prediction of Aluminum Panels with Multiple Site Damage Using Artificial Neural Networks; Ala Hijazi, Sameer Al-Dahidi, Safwan Altarazi; Materials; Vol. 13, November 2020. (DOI 10.3390/ma13225216) [Q2 Materials Science, 2020] 

• A Novel Approach for the Determination of Surface Tilt Angles in Two-dimensional Digital Image Correlation Experiments; Ala Hijazi; Experimental Mechanics; Vol. 60, March 2020. (DOI 10.1007/s11340-019-00554-8) [Q1 Mechanical Engineering, 2020]

• Artificial Neural Network Modeling to Evaluate the Polyvinylchloride Composites’ Properties; Safwan Altarazi, Maysa Ammouri, Ala Hijazi; Computational Materials Science; Vol.153, October 2018. (DOI 10.1016/j.commatsci.2018.06.003) [Q2 Materials Science, 2018]

• High-Speed Imaging using 3CCD Camera and Multi-Color LED Flashes; Ala Hijazi, Alexander Friedl, Christian Cierpka, Christian Kähler, Vis Madhavan; Measurement Science and Technology; Vol.28, No.11, November 2017. (DOI 10.1088/1361-6501/aa892a) [Q1 Engineering, 2017]

• Contribution of the Imaging System Components in the Overall Error of the Two-Dimensional Digital Image Correlation Technique; Ala Hijazi and Christian Kähler; ASTM - Journal of Testing Evaluation, Vol.45, No.2, Mach 2017. (DOI 10.1520/JTE20150437) [Q2 Mechanical Engineering, 2016]

• Nondestructive Evaluation of Welded Joints Using Digital Image Correlation; Mohanna Eshtayeh, Ala Hijazi and Miftah Hrairi; Journal of Nondestructive Evaluation, Vol.34, No.4, November 2015. (DOI 10.1007/s10921-015-0310-z) [Q1 Mechanical Engineering, 2015]

• Influence of Camera’s Optical Axis Non-perpendicularity on Measurement Accuracy of Two-Dimensional Digital Image Correlation; Ala Hijazi, Alex Friedl and Christian Kähler; Jordan Journal of Mechanical and Industrial Engineering, Vol.5, No.4, August 2011. [Q2 Mechanical Engineering, 2011]

• A Calibrated Dual-Wavelength Infrared Thermometry Approach with Non-greybody Compensation for Machining Temperature Measurements; Ala Hijazi, Sandeep Sachidanandan, Rajesh Singh, Vis Madhavan; Measurement Science and Technology, Vol.22, No.2, February 2011. (DOI 10.1088/0957-0233/22/2/025106) [Q1 Engineering, 2011]

• A Novel Ultra-High Speed Camera for Digital Image Processing Applications; Ala Hijazi, Vis Madhavan; Measurement Science and Technology, Vol.19, No.8, August 2008. (DOI 10.1088/0957-0233/19/8/085503) [Q1 Engineering, 2008]

• Natural Convection Heat Transfer Enhancement in Horizontal Concentric Annuli using Nanofluids; Eyad Abu-Nada, Ziyad Masoud, Ala Hijazi; International Communications in Heat and Mass Transfer, Vol.35, No.5, May 2008. (DOI 10.1016/j.icheatmasstransfer.2007.11.004) [Q1 Chemical Engineering, 2008]

• Link-up Strength of 2524-T3 and 2024-T3 Aluminum Panels with Multiple Site Damage; Bert Smith, Tanya Flores, Ala Hijazi; AIAA - Journal of Aircraft, Vol.42, No.2, March 2005. (DOI 10.2514/1.4211) [Q1 Aerospace Engineering, 2005]

• Comparison of Residual Strength Estimates for Bolted Lap Joint Panels; Ala Hijazi, Bert Smith, Thomas Lacy; AIAA - Journal of Aircraft, Vol.41, No.3, May 2004. (DOI 10.2514/1.446) [Q1 Aerospace Engineering, 2004]

• Linkup Strength of 2024-T3 Bolted Lap Joint Panels with Multiple Site Damage; Ala Hijazi, Bert Smith, Thomas Lacy; AIAA - Journal of Aircraft, Vol.41, No.2, March 2004. (DOI 10.2514/1.9331) [Q1 Aerospace Engineering, 2004]

• Strength of 7075-T6 and 2024-T3 Aluminum Panels with Multiple Site Damage; Bert Smith, Ala Hijazi, Roy Myose; AIAA - Journal of Aircraft, Vol.39, No.2, March 2002. (DOI 10.2514/2.2933) [Q1 Aerospace Engineering, 2002]

• Strength of Stiffened 2024-T3 Aluminum Panels With Multiple Site Damage; Bert Smith, Ala Hijazi, AKM Haque, Roy Myose; AIAA - Journal of Aircraft, Vol.38, No.4, July 2001. (DOI 10.2514/2.2829) [Q1 Aerospace Engineering, 2001]

Conferences

• On the use of Bayer Sensor Color Cameras in Digital Image Correlation; Ala Hijazi, Ahmad Al-Masri, Nathir Rawashdeh; Proceedings of the 11th International Symposium on Signal, Image, Video and Communications; Morocco; May 2022. (DOI 10.1109/ISIVC54825.2022.9800739)

• Effect of Camera's Focal Plane Array Fill Factor on Digital Image Correlation Measurement Accuracy; Ala Hijazi, Nathir Rawashdeh, Christian Kähler; Proceedings of the 5th International Conference on Advances in Mechanical Engineering; Istanbul-Turkey; December 2019.

• High-Speed Image Capture using 3CCD Camera and Multi-Color High-Power Light Emitting Diodes; Ala Hijazi, Alexander Friedl, Christian Cierpka, Christian Kähler, Vis Madhavan; Proceedings the 10th International Conference on Optics-Photonics Design and Fabrication; Germany; March 2016.

• An Image-Splitting-Optic for Dual-Wavelength Imaging; Ala Hijazi, Vis Madhavan; Proceedings of the SPIE 6th International Symposium on Multi-Spectral Image Processing and Pattern Recognition; China; November 2009. (DOI 10.1117/12.833202)

• A Novel Multi-Channel Non-Intensified Ultra High Speed Camera Using Multi-Wavelength Illumination; Ala Hijazi, Vis Madhavan; Proceedings of the SPIE Optics & Photonics 2006 Conference; USA; August 2006.

• A Novel Multi-Channel Non-Intensified Ultra High Speed Camera for Use in Digital Image Correlation; Vis Madhavan, Ala Hijazi; Proceedings of the 2005 NSF DMII Grantees Conference; USA; January 2005.

• Determination of Forming Limit Curves using 3D Digital Image Correlation and In-Situ Observation; Ala Hijazi, Nikhil Yardi, Vis Madhavan; Proceedings of the 49th  International SAMPE Symposium and Exhibition; USA; May 2004.

• Use of Ultra High Speed Imaging to Study Material Deformation during High Speed Machining; Vis Madhavan, Ala Hijazi; Proceedings of the 2004 NSF Design, Service and Manufacturing Grantees and Research Conference; USA; January 2004. 

• High speed digital image correlation and finite element simulations; Vis Madhavan, Ala Hijazi, Amir Adibi-Sedeh and Vanesh Pednekar; Invited presentation at the Manufacturing Engineering Division’s Laboratory-Fresh Session on Machining Process Research at the ASME IMECE ’03; USA; November 2003.

• Summary of the Effect of Multiple site Damage on the Linkup Strength of 2024-T3 Aluminum Panels; Bert Smith, Ala Hijazi, Roy Myose; Proceedings of the SAE General Aviation Technology Conference and Exhibition (GATC); USA; April 2002; SAE Transactions 2002-01-1534.

• Critical Crack Tip Opening Angle Determination for Thin Sheet Aluminum Alloys; Tarek Boudraa, Thomas Lacy, Ala Hijazi; Proceedings of the SAE General Aviation Technology Conference and Exhibition (GATC); USA; April 2002.

• Residual Strength of Thin Sheet Aluminum Panels with Multiple Site Damage; Ala Hijazi; ASTM Committee E-08 on Fatigue and Fracture - Annual Student Forum; USA; November 2001. 

• Modified Linkup Models for Determining the Strength of Stiffened Panels with Multiple Site Damage; Bert Smith, Ala Hijazi, AKM Haque, Roy Myose; Proceedings of The 3rd Joint FAA/DoD/NASA Conference on Aging Aircraft; USA; September 1999.

• Strength of Stiffened Panels with Multiple site Damage; Bert Smith, Adil Mouak, Perry Saville, Ala Hijazi, Roy Myose; Proceedings of the SAE General Corporate and Regional Aviation Meeting and Exhibition; USA; April 1999; SAE Transactions 1999-01-1575. 

Final Reports

• Design of a Light-Weight Aluminum Fuel Semi-trailer Tanker in accordance with ADR-2011 Specifications; Ala Hijazi; Final technical report for FFF industrial consulting project, 2012. (DOI 10.13140/RG.2.2.19551.30886)

• Design of the Structure and Tailgate Mechanism for a Rear-loader Garbage Compactor Truck; Ala Hijazi; Final technical report for FFF industrial consulting project, 2007. (DOI 10.13140/RG.2.2.12840.42249)

• Material Properties Control and Defects Minimization for Casting Products; Ala Hijazi; Final technical report for FFF industrial consulting project, 2006.

• Generation of Forming Limit Curves and Friction Coefficient Data for Use in FEA of Sheet Metal Forming; Vis Madhavan, Ala Hijazi, Nikhil Yardi; Final technical report for ADMRC Project C3, 2003.

• Evaluation and Retrofit of Fail-Safety on KC-135 Fuselage Structure; Thomas Lacy, Dale Cope, Ala Hijazi, Yoshiki Yamada; Final technical report for Boeing contract JF0044 (WSU 4493), 2002.

Patents

• System and Method for Capturing Image Sequences at Ultra-High Framing Rates; Vis Madhavan and Ala Hijazi; United States Patent No. 7777199, August, 2010.