Professor Hui Long

BEng, MSc, PhD, CEng, FIMechE, SFHEA.

School of Mechanical, Aerospace and Civil Engineering

Professor of Mechanics of Materials

Departmental Director of Research and Innovation

Photo of Hui Long
Profile picture of Photo of Hui Long
h.long@sheffield.ac.uk
+44 114 222 7759

Full contact details

Professor Hui Long
School of Mechanical, Aerospace and Civil Engineering
Sir Frederick Mappin Building
Mappin Street
Sheffield
S1 3JD
Profile

Hui Long is Professor of Mechanics of Materials in the Department of Mechanical Engineering. She joined the Department as a Reader in 2012. Prior to this from 2003 to 2012, she was a Senior Lecturer and a Lecturer in the School of Engineering, Durham University. From 1996 to 2003, she worked as a research associate / fellow in the University of Strathclyde, Swansea University and Brunel University London. Before moving to the UK, she was an Associate Professor in the State Key Laboratory of Mechanical Transmissions, Chongqing University, China. She received her BEng, MSc and PhD degrees in Mechanical Engineering from Chongqing University in China.

Professor Hui Long is a Chartered Engineer, a Fellow of the Institution of Mechanical Engineers, and a Senior Fellow of Higher Education Academy. She acts as an Associate Editor of ASME Journal of Tribology and IMechE Proceedings Part B: Journal of Engineering Manufacture. She is a member of EPSRC Peer Review College and an expert reviewer of EU research proposals.

Professor Hui Long leads the Flexible Forming Research Group. She is also a member of the Leonardo Tribology Centre and the Structural Integrity Research Team.

Research interests

Professor Hui Long specialises in mechanics of materials, plasticity, contact mechanics and engineering failures and her current research activities centre on two broad fields of applications, in wind energy and manufacturing technology.

In wind energy, the current research areas include:

  • Wind turbine blade pitching bearing failures due to false Brinelling and fretting corrosion
  • Wind turbine gearbox bearing premature failures due to white etching cracking
  • Wind turbine drivetrain system dynamic load modelling under transient loading
  • Failure analysis and prediction using SCADA (Supervisory Control & Data Acquisition) data

In manufacturing, the research activities centre on flexible metal forming technologies:

  • Metal spinning process development and optimisation for material processing failure prevention
  • Incremental sheet forming process development for improved formability and precision
  • Non-linear finite element analysis and damage modelling of metal forming processes
Publications

Journal articles

Conference proceedings papers

  • Dai R & Long H (2024) Investigating Bearing Subsurface Microstructural Damage of White Etching Areas and Butterfly Wing Cracks. The 18th International Conference on Advances in Experimental Mechanics RIS download Bibtex download
  • Wu ZZ, Perez Cervantes V, Hurtado E, Song WY, Lee HJ, Ng C & Long H (2024) Small-scale test of ball-on-curved surface contact to study fretting wear of wind turbine blade pitch bearings. The 18th International Conference on Advances in Experimental Mechanics. https://www.bssm.org/events/conference/18th-conference-liverpool/programme-and-abstracts/, 3 September 2024 - 3 September 2024. RIS download Bibtex download
  • Zhu H, Peng W & Long H (2024) Effect of vibration frequency and amplitude on formability in rotational vibration-assisted incremental sheet forming (RV-ISF). Materials Research Proceedings, Vol. 41 (pp 1559-1568) RIS download Bibtex download
  • Peng WX, Hurtado Molina E, Solum FA, Booth J & Long H (2024) Surface and Friction Characterisation of Rotational Vibration-Assisted Incremental Sheet Forming. Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity (pp 756-765) RIS download Bibtex download
  • Chang Z, Booth J & Long H (2024) Vibrating Tool Path Design for New Multi-axial Vibration Assisted Incremental Sheet Forming. Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity (pp 603-612) RIS download Bibtex download
  • Hart E, Raby K, Keller J, Sheng S, Long H, Carroll J, Brasseur J & Tough F (2023) Main Bearing Replacement and Damage - A Field Data Study on 15 Gigawatts of Wind Energy Capacity RIS download Bibtex download
  • Ai S & Long H (2022) Biaxial tension under bending and compression - development of a new formability test for incremental sheet forming. IOP Conference Series: Materials Science and Engineering, Vol. 1270(1). Online, 11 September 2022 - 14 September 2022. RIS download Bibtex download
  • Long H, Ai S, Tian F, Lu B, Chen J & Ou H (2021) A new test method for sheet metal deformation subject to tension under cyclic bending and compression (TCBC). Forming the Future : Proceedings of the 13th International Conference on the Technology of Plasticity (pp 441-455). Virtual conference, 25 July 2021 - 30 July 2021. RIS download Bibtex download
  • Ai S & Long H (2019) Finite element modelling of material deformation and damage by tension under cyclic bending and compression test. Proceedings of the 22nd International Esaform Conference on Material Forming: Esaform 2019, Vol. 22. Vitoria-Gasteiz, Spain, 8 May 2019 - 10 May 2019. View this article in WRRO RIS download Bibtex download
  • Al-Bedhany JH & Long H (2018) Microscopic investigation of subsurface initiated damage of wind turbine gearbox bearings. Journal of Physics: Conference Series, Vol. 1106(1), 2 July 2018 - 4 July 2018. View this article in WRRO RIS download Bibtex download
  • Al-Tameemi HA, Long H & Dwyer-Joyce R (2018) The effects of tribological factors and load sequence on surface pitting and cracks in bearing steel. Journal of Physics: Conference Series, Vol. 1106(1) View this article in WRRO RIS download Bibtex download
  • Al-Hamadani H, Long H & Cartmell M (2016) Effects of model complexity on torsional dynamic responses of NREL 750 kw wind turbine drivetrain (pp 203-212) RIS download Bibtex download
  • Al-Tameemi H, Long H & Dwyer-Joyce RS (2016) Investigation of wind turbine gearbox bearing subsurface damage considering transient loading. WindEurope Summit 2016, 27 September 2016 - 29 September 2016. View this article in WRRO RIS download Bibtex download
  • Xiao G, Xia Q, Cheng X & Long H (2015) Investigation on dimensional accuracy and mechanical properties of cylindrical parts by flow forming. MATEC Web of Conferences, Vol. 21 (pp 03007-03007) RIS download Bibtex download
  • Ai S, Lu B, Long H, Chen J & Ou H (2015) Investigation of the deformation stability in the incremental sheet forming process. MATEC Web of Conferences, Vol. 21 (pp 04012-04012) RIS download Bibtex download
  • Cao T, Lu B, Chen J & Long H (2015) Comparative Study of Efficient Thickness Prediction Approaches for Multi-pass Incremental Forming Process. The International Deep Drawing Group Conference ((IDDRG 2015) (pp 767-779), 31 May 2015 - 3 June 2015. RIS download Bibtex download
  • Xia Q, Huang X, Cheng X & Long H (2015) Development of constitutive model of Haynes230 at high temperature based on Johnson-Cook model. The International Deep Drawing Group 2015 (IDDRG2015) (pp 794-802), 31 May 2015 - 3 June 2015. RIS download Bibtex download
  • Chen F, Lu B, Liu R, Ou H, Long H & Xu D (2015) Correlation between formability and initial grain size in incremental sheet metal forming of pure titanium parts. International Deep Drawing Group Conference (IDDRG 2015) (pp 376-381), 31 May 2015 - 3 June 2015. RIS download Bibtex download
  • Bruce T, Long H & Dwyer-Joyce R (2015) White etching crack initiation at manganese sulphide (MnS) inclusions in a wind turbine gearbox bearing. ESIA13: Engineering Structural Integrity Assessment (pp 219-228), 19 May 2015 - 20 May 2015. RIS download Bibtex download
  • Long H & Al-Tubi I (2013) Effects of Operational Conditions on Wind Turbine Gear Micropitting. The European Wind Energy Conference (EWEC), Vol. 3 (pp 1923-1929). Vienna, Austria, 4 February 2013 - 7 February 2013. RIS download Bibtex download
  • Long H, Wu J & Tavner PJ (2012) Analysis of Statistical Loading Conditions of Wind Turbine Gearbox based on SCADA Data. The European Wind Energy Association Conference 2012, Vol. 2 (pp 868-874). Copenhagen, Denmark, 16 April 2012 - 19 April 2012. RIS download Bibtex download
  • Long H, Wang L & Jagger P (2011) Tool Force Analysis in Multi-pass Conventional Spinning by Finite Element Simulation and Experimental Measurement. Proceedings of the 10th International Conference on Technology of Plasticity, Vol. 2011 (pp 547-553). Aachen Germany, 25 September 2011 - 30 September 2011. RIS download Bibtex download
  • Wang L & Long H (2011) Investigation of Effects of Roller Path Profiles on Wrinkling in Conventional Spinning. Proceedings of the 10th International Conference on Technology of Plasticity, Vol. 2011 (pp 554-559). Aachen Germany, 25 September 2011 - 30 September 2011. RIS download Bibtex download
  • Feng Y, Qiu Y, Crabtree CJ, Long H & Tavner PJ (2011) Use of SCADA and CMS signals for failure detection and diagnosis of a wind turbine gearbox. European Wind Energy Conference and Exhibition 2011, EWEC 2011 (pp 17-19) View this article in WRRO RIS download Bibtex download
  • Long H, Wu J, Matthew F & Tavner P (2011) Fatigue analysis of wind turbine gearbox bearings using SCADA data and miner's rule. European Wind Energy Conference and Exhibition 2011, EWEC 2011 (pp 334-337) View this article in WRRO RIS download Bibtex download
  • Wang L & Long H (2010) Stress analysis of multi-pass conventional spinning. Proceedings of the 8th International Conference on Manufacturing Research, Vol. 2010 (pp 186-191). Durham United Kingdom, 12 September 2010 - 15 September 2010. RIS download Bibtex download
  • Tavner PJ, Higgins A, Arabian H, Long H & Feng Y (2010) Using an FMEA method to compare prospective wind turbine design reliabilities. European Wind Energy Conference and Exhibition 2010, EWEC 2010, Vol. 4 (pp 2501-2537) View this article in WRRO RIS download Bibtex download
  • Wilkinson M, Hendriks B, Spinato F, Harman K, Gomez E, Bulacio H, Roca J, Tavner P, Feng Y & Long H (2010) Methodology and results of the reliawind reliability field study. European Wind Energy Conference and Exhibition 2010, EWEC 2010, Vol. 3 (pp 1984-2004) View this article in WRRO RIS download Bibtex download
  • Smolders K, Long H, Feng Y & Tavner P (2010) Reliability analysis and prediction of wind turbine gearboxes. European Wind Energy Conference and Exhibition 2010, EWEC 2010, Vol. 4 (pp 2660-2682) View this article in WRRO RIS download Bibtex download
  • Firth A & Long H (2010) A design software tool for conceptual design of wind turbine gearboxes. European Wind Energy Conference and Exhibition 2010, EWEC 2010, Vol. 5 (pp 3568-3578) View this article in WRRO RIS download Bibtex download
  • Feng Y, Tavner PJ, Long H & Bialek JW (2010) Review of early operation of UK round 1 offshore wind farms. IEEE PES General Meeting, PES 2010 RIS download Bibtex download
  • Long H, Fanourakis A & Oliver P (2008) Case study in design: Generation of design knowledge for vehicle sub-frames based on finite element simulation (pp 447-462) RIS download Bibtex download
  • Long H & Hamilton S (2008) Simulation of effects of material deformation on thickness variation in conventional spinning. 9th International Conference on Technology of Plasticity, ICTP 2008 (pp 735-740) View this article in WRRO RIS download Bibtex download
  • Dai Y, Long H & Vogt O (2007) A cost model for early design of supply chain information systems. Proceedings of the 11th International Conference on Human Aspects of Advanced Manufacturing Agility and Hybrid Automation, Vol. 2007 (pp 194-208). Poland, 9 July 2007 - 12 September 2007. RIS download Bibtex download
  • Long H, Gery D & Maropoulos PG (2007) Welding temperature simulation using a moving distributed heat source model. Proceedings of the 4th Inter. Conf. on Digital Enterprise Technology, Vol. 2007 (pp 287-296). Bath, United Kingdom, 19 September 2007 - 21 September 2007. RIS download Bibtex download
  • Long H & Maropoulos PG (2004) Dimensional error prediction of cold formed components in backward extrusion using finite element analysis. Proceedings of the IASTED International Conference on Applied Simulation and Modelling (pp 259-264) View this article in WRRO RIS download Bibtex download
  • Long H, Mynors DJ, Holland & Standring P (2003) Knowledge based process selection for cold forming components. Proceedings of the International Conference on Advances in Materials and Processing Technologies, Vol. 2003 (pp 511-514). Dublin, Ireland RIS download Bibtex download
  • Holland P, Standring P, Long H & Mynors DJ (2002) The development of shape simulation software (SSS) for metal forming process optimization. Proceedings of the 7th International Conference for Technology of Plasticity, Vol. 2002, Vol. 1 (pp 151-156). Yokohama, Japan, 27 October 2002 - 1 November 2002. RIS download Bibtex download
  • Long H, Mynors DJ, Holland P & Standring P (2002) The route to automatic metal forming process selection. Proceedings of the 7th International Conference for Technology of Plasticity, Vol. 2002, Vol. 2 (pp 1357-1362). Japan, 27 October 2002 - 1 November 2002. RIS download Bibtex download
  • Mynors DJ, Long H, Standring P & Holland P (2001) Linking process selection and component design via CAD. The 2nd International Conference and Exhibition on Design and Production of Dies and Moulds, Turkey, Vol. 2001. Kusadasi, Turkey, 21 June 2001 - 23 June 2001. RIS download Bibtex download
  • Balendra R, Long H, ENGINEERS IM & ENGINEERS IM (1998) Prediction of geometrical accuracy of back-extruded components using FE simulation. INTERNATIONAL CONFERENCE ON FORGING AND RELATED TECHNOLOGY (ICFT '98), Vol. 1998(3) (pp 183-190) RIS download Bibtex download
  • Long H & Balendra R (1997) Finite Element simulation of temperature distribution in component and die during cold metal forming. Proceedings of 13th National Conference on Manufacturing Research, United Kingdom, Vol. 1997 (pp 295-299) RIS download Bibtex download
  • Long H, Qin D & Zhang G (1997) Error effects on load and stress of meshing gears with Finite Element method. Proceedings of International Conference on Mechanical Transmission, China Machine Press, China, Vol. 1997 (pp 523-527) RIS download Bibtex download
  • Long H & Balendra R (1997) The influence of thermal and elastic effects of the accuracy of cold-formed components. Proceedings of 32nd International MATADOR Conference, Manchester, United Kingdom, Vol. 1997 (pp 361-366) RIS download Bibtex download
  • Ou H & Long H (1995) Computation simulation of static and dynamic contact stresses of meshing gear teeth with Finite Element method. Proceedings of The 9th World Congress on the Theory of Machines and Mechanisms, Italy, Vol. 1995, Vol. 4 (pp 2597-2601) RIS download Bibtex download
  • Zhang G, Xue H, Long H, Kato M & Deng G (1994) The double involute gear with ladder shape of tooth. Proceedings of 1994 International Gearing Conference, United Kingdom, Vol. 1994 (pp 507-512) RIS download Bibtex download
  • Long H & Zhang G (1994) Load and stress simulation of an involute spur gear in meshing process. Proceedings of MPT'94 Symposium on Motion and Power Transmission, Japan, Vol. 1994 (pp 189-193) RIS download Bibtex download
  • Hui L & Guanghui Z (1992) Finite Element Contact Analysis of the Cone Roller Enveloping Worm Gearing and Stress Computation (pp 225-231) RIS download Bibtex download
  • Long H & Zhang G (1992) Finite Element contact analysis of the rolling cone enveloping hourglass worm gearing. Proceedings of International Conference on Rotating Machine Dynamics, Italy, Vol. 1992 RIS download Bibtex download
  • () Power Transmissions View this article in WRRO RIS download Bibtex download
Grants
  • New Tooling for Incremental Sheet Forming, EPSRC, 2019-2021, Principal Investigator.
  • Offshore Wind Powertrain Research Hub, UK Offshore Renewable Energy Catapult, 2019-2024, Co-I, with PI Professor D Stone and Co-Is Professor ZQ Zhu and Professor RS Dwyer-Joyce.
  • Novel Flexible Sheet Forming for High Value Manufacturing (FLEXFORM). EU FP7 Marie Curie, 2014-2016, Principal Investigator, with Marie Curie Research Fellow Dr B Lu.
  • New Material Processing Technologies for Sustainable Future (MatProFuture). EU Marie Curies IRSES, 2013-2017, Principal Investigator, with Co-Is Professor R Dwyer-Joyce and Dr C Pinna.
  • Wind Turbine Gearbox Bearing Failure Analysis. Industrial Funded, 2012-2015, Principal Investigator.
  • Sensing Oil Film, Load and Damage in Wind Turbine Bearings. DECC & TSB, 2013-2015, Co-I, with PI Professor R Dwyer-Joyce and Co-I Dr M Marshall.
  • Advanced Design Methodologies for Wind Turbine Gearboxes - Visiting Fellowship of Chongqing University. Ministry of Education, China, 2010-2013, Principal Investigator.
  • Implementation and Demonstration of SCADA-based Wind Turbine Monitoring to Improve Reliability. EPSRC Impact, 2011-2012, Principal Investigator.
  • Future Reliable Renewable Energy Conversion Systems and Networks. EPSRC, 2009-2012, Co-I.
  • Lightweight Offshore Wind Turbine Gearbox Feasibility Study. Northern Wind Innovation Project, 2010-2011, Principal Investigator.
  • Wind Turbine Gearbox Stochastic Loading Prediction for Failure Detection and Prevention. One NorthEast, 2011, Principal Investigator.
  • Design Innovation for Multidisciplinary Engineering Applications. The Royal Academy of Engineering, 2010-2012, Principal Investigator.
  • Reliability Focused Research on Optimising Wind Energy Systems Design, Operation and Maintenance. EU FP7 Collaborative, 2008-2011, Co-I.
  • Effective Experimentation and Simulation Techniques for Metal Spinning. TSB KTP, 2008-2010, Principal Investigator.
Teaching activities
  • MEC316: Renewable Energy (Module Leader)
  • MEC312: Advanced Mechanics of Solids (Module Leader)
  • MEC455 & 6455: Mechanics and Applications of Advanced Manufacturing Technologies