Contact Dr Ali Mehmanparast
- Tel: +44 (0) 1234 758331
- Email: a.mehmanparast@cranfield.ac.uk
- ORCID
Areas of expertise
- Computing, Simulation & Modelling
- Energy Asset Management
- Instrumentation, Sensors and Measurement Science
- Renewable Energy
- Structures and Materials
Background
Dr Ali Mehmanparast (PhD, MBA, CEng, CMgr) received his MEng degree in 2008 and PhD degree in 2012, both from the Mechanical Engineering Department at Imperial College London. Prior to joining Cranfield University in 2014, he was a Post-Doctoral Research Associate at Imperial College London where he conducted research on life extension and structural integrity assessment of service aged components operating at high temperatures.
Academic Background:
- - Master of Business Administration (MBA), School of Management, Cranfield University, 2018-2019
- - Doctor of Philosophy (PhD & DIC), Mechanical Engineering Department, Imperial College London, 2008-2012
- - Master of Engineering (MEng & ACGI), Mechanical Engineering Department, Imperial College London, 2004-2008
Career History:
- - Senior Lecturer in Structural Integrity, Cranfield University, 2018-Present
- - Structural Integrity Lab Manager, Cranfield University, 2014-Present
- - REMS CDT Manager, 2014-Present
- - Lecturer in Structural Integrity, Cranfield University, 2014-2018
- - Post-Doctoral Research Associate, Mechanical Engineering Department, Imperial College London, 2012-2014
Research opportunities
Current activities
Dr Mehmanparast is a Senior Lecturer in Structural Integrity, Manager of the Structural Integrity Laboratory and Manager of the Cranfield-Oxford-Strathclyde Universities Renewable Energy Marine Structures (REMS) Centre for Doctoral Training. He sits on the Engineering Integrity Society (EIS) Durability and Fatigue Committee and the UK Forum for Engineering Structural Integrity (FESI Council). Dr Mehmanparast is a Chartered Engineer (Institution of Mechanical Engineers-IMechE), Chartered Manager (Chartered Management Institute-CMI) and a Fellow of the Higher Education Academy. He is an Editorial Board member of two leading international journals of "Materials at High Temperatures" and "Journal of Multiscale Modelling".
His current research interests are:
- - Life Prediction and Extension of Engineering Structures
- - Numerical and Experimental Fracture Mechanics
- - Fatigue, Corrosion-Fatigue, Creep and Fracture
- - Residual Stress Measurement
- - Advanced Finite Element Modelling
- - Structural Integrity of Additive Manufactured Parts
***************************************************************
Dr Mehmanparast is currently the principal supervisor of the following PhD/EngD students:
- - Mr Alessandro Annoni: Integrity Assessment of MP-TP Connections in Offshore Wind Turbines (Sponsored by EPSRC and TWI), Started in 2020
- - Miss Anna Ermakova: Structural Integrity Assessment of Functionally Graded Components Created using Additive Manufacturing Technology for Marine Applications (Sponsored by EPSRC), Started in 2018
- - Mr Ali Hamedany: Investigating Computational Uncertainties and Their Effects on the Fatigue Life of Offshore Wind Turbine Foundations (Sponsored by KCI-Netherlands and DNV.GL), Started in 2017
***************************************************************
The following PhD/EngD student(s) have successfully completed their studies under Dr Mehmanparast's supervision:
- - Miss Jessica Taylor: Assessment of Crack Arrest Behaviour in Modern Structural Steels (Sponsored by TWI and Lloyd's Register), Completed in 2021
- - Miss Satya Anandavijayan: Material Pre-straining Effects on Fatigue and Fracture Behaviour of Offshore Wind Monopile Structures (Sponsored by EPSRC), Completed in 2021
- - Dr Abdulhakim Adeoye Shittu: Structural Reliability Assessment of Complex Offshore Structures Based on Non-Intrusive Stochastic Methods (Sponsored by PTDF), Completed in 2020
- - Dr Victor Igwemezie: Corrosion-Fatigue in Renewable Energy Marine Structures (Sponsored by TETFund), Completed in 2019
- - Dr Waseem Khodabux: Improvement of SHM Performance for Offshore Wind Turbines Subjected to Fatigue and Pitting Corrosion (Sponsored by ORE Catapult), Completed in 2019
- - Dr Anais Jacob: The Influence of Residual Stresses on Structural Integrity of Renewable Energy Marine Structures (Sponsored by STFC), Completed in 2019
- - Dr Ali Alturaihi: The Influence of Partial Peening on Fatigue Crack Growth, Completed in 2017
***************************************************************
Dr Mehmanparast is currently the supervisor of the following Post-Doctoral Research Fellow(s):
- - Dr Muhammad Shamir
***************************************************************
The following Post-Doctoral Research Fellow(s) have successfully completed their research under Dr Mehmanparast's supervision:
- - Dr Romali Biswal (currently working at Cranfield University)
- - Dr Behrooz Tafazzoli (currently working at the Open University)
- - Dr Vipin Sukumara Pillai (currently working at TWI)
Clients
- Science and Technology Facilities Council (STFC)
- Engineering and Physical Sciences Research Council (EPSRC)
- Carbon Trust
- Supergen Wind Hub
- Supergen ORE Hub
- TWI
- Lloyd's Register
- DNV.GL
- KCI
Publications
Articles In Journals
- Al Mamun A, Biswal R & Mehmanparast A (2021) On the performance of monopile weldments under service loading conditions and fatigue damage prediction, Fatigue and Fracture of Engineering Materials and Structures, Available online 1 March 2021.
- Jacob A & Mehmanparast A (2021) Crack growth direction effects on corrosion-fatigue behaviour of offshore wind turbine steel weldments, Marine Structures, 75 (January) Article No. 102881.
- Zhou H, Mehmanparast A & Nikbin K (2021) Determination of long-term creep properties for 316H steel using short-term tests on pre-strained material, Experimental Techniques, Available online 7 January 2021.
- Shittu AA, Kolios A & Mehmanparast A (2020) A systematic review of structural reliability methods for deformation and fatigue analysis of offshore jacket structures, Metals, 11 (1) Article No. 50.
- Redondo R & Mehmanparast A (2020) Numerical analysis of stress distribution in offshore wind turbine M72 bolted connections, Metals, 10 (5) Article No. 689.
- Mehmanparast A, Lotfian S & Vipin SP (2020) A review of challenges and opportunities associated with bolted flange connections in the offshore wind industry, Metals, 10 (6) Article No. 732.
- Igwemezie V & Mehmanparast A (2020) Waveform and frequency effects on corrosion-fatigue crack growth behaviour in modern marine steels, International Journal of Fatigue, 134 (May) Article No. 105484.
- Raschioni F, Longo R, Mehmanparast A & Rizzo CM (2020) Mooring system design and verification for a floating vertical axis wind turbine, Journal of Multiscale Modeling, 11 (3) Article No. 2050003.
- Igwemezie V, Mehmanparast A & Brennan F (2020) The role of microstructure in the corrosion-fatigue crack growth behaviour in structural steels, Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, Available online 29 October 2020, Article No. 140470.
- Zhou H, Mehmanparast A & Nikbin K (2020) Near-weld creep crack growth behaviour in Type 316H steel ex-service components, Materials at High Temperatures, 37 (6) 488-489.
- Braithwaite J, Goenaga IG, Tafazzolimoghaddam B & Mehmanparast A (2020) Sensitivity analysis of friction and creep deformation effects on preload relaxation in offshore wind turbine bolted connections, Applied Ocean Research, 101 (August) Article No. 102225.
- Shittu AA, Mehmanparast A, Shafiee M, Kolios A, Hart P & Pilario K (2020) Structural reliability assessment of offshore wind turbine support structures subjected to pitting corrosion‐fatigue: A damage tolerance modelling approach, Wind Energy, 23 (November 2020) 2004-2026.
- Ermakova A, Mehmanparast A, Ganguly S, Razavi J & Berto F (2020) Investigation of mechanical and fracture properties of wire and arc additively manufactured low carbon steel components, Theoretical and Applied Fracture Mechanics, 109 (October) Article No. 102685.
- Igwemezie V, Mehmanparast A & Brennan F (2020) The influence of microstructure on the fatigue crack growth rate in marine steels in the Paris Region, Fatigue and Fracture of Engineering Materials and Structures, 43 (10) 2416-2440.
- Bikdeloo R, Farrahi GH, Mehmanparast A & Mahdavi SM (2020) Multiple laser shock peening effects on residual stress distribution and fatigue crack growth behaviour of 316L stainless steel, Theoretical and Applied Fracture Mechanics, 105 (February) Article No. 102429.
- Tangestani R, Farrahi GH, Shishegar M, Aghchehkandi BP, Ganguly S & Mehmanparast A (2020) Effects of vertical and pinch rolling on residual stress distributions in wire and arc additively manufactured components, Journal of Materials Engineering and Performance, 29 (April) 2084-2073.
- Moghaddam BT, Hamedany AM, Taylor J, Mehmanparast A, Brennan F, Davies CM & Nikbin K (2020) Structural integrity assessment of floating offshore wind turbine support structures, Ocean Engineering, 208 (July) Article No. 107487.
- Shittu AA, Mehmanparast A, Wang L, Salonitis K & Kolios A (2020) Comparative study of structural reliability assessment methods for offshore wind turbine jacket support structures, Applied Sciences, 2020 (10) Article No. 860.
- Zhou H, Mehmanparast A & Nikbin K (2020) Prediction of reheat cracking behaviour in a service exposed 316H steam header, Journal of Multiscale Modeling, Available online 29 December 2020 (1).
- Taylor J, Mehmanparast A, Kulka R, Moore P, Xu L & Farrahi GH (2020) Experimental study of the relationship between fracture initiation toughness and brittle crack arrest toughness predicted from small-scale testing, Theoretical and Applied Fracture Mechanics, 110 (December) Article No. 102799.
- Mehmanparast A, Yatomi M, Biglari F, Maleki S & Nikbin K (2020) Experimental and numerical investigation of the weld geometry effects on Type IV cracking behaviour in P91 steel, Engineering Failure Analysis, 117 (November) Article No. 104826.
- Dirisu P, Ganguly S, Mehmanparast A, Martina F & Williams S (2019) Analysis of fracture toughness properties of wire + arc additive manufactured high strength low alloy structural steel components, Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, 765 (September) Article No. 138285.
- Biswal R & Mehmanparast A (2019) Fatigue damage analysis of offshore wind turbine monopile weldments, Procedia Structural Integrity, 17 643-650.
- Braithwaite J & Mehmanparast A (2019) Analysis of tightening sequence effects on preload behaviour of offshore wind turbine M72 bolted connections, Energies, 12 (23) Article No. 4406.
- Igwemezie V, Mehmanparast A & Kolios A (2019) Current trend in offshore wind energy sector and material requirements for fatigue resistance improvement in large wind turbine support structures – A review, Renewable and Sustainable Energy Reviews, 101 (March) 181-196.
- Lochan S, Mehmanparast A & Wintle J (2019) A review of fatigue performance of bolted connections in offshore wind turbines, Procedia Structural Integrity, 17 276-283.
- Jacob A, Mehmanparast A, D'Urzo R & Kelleher J (2019) Experimental and numerical investigation of residual stress effects on fatigue crack growth behaviour of S355 steel weldments, International Journal of Fatigue, 128 (November) Article No. 105196.
- Al‐Turaihi A, Mehmanparast A, Brennan F & Soyama H (2019) Cavitation shotless peening effects on fatigue crack growth behaviour under bending loads, Material Design and Processing Communications, Early online.
- Khajeian A, Mahmoudi AH & Mehmanparast A (2019) Shot peening effects on residual stresses redistribution of offshore wind monopile multi-pass weldments, Marine Structures, 66 (July) 106-120.
- Igwemezie V, Dirisu P & Mehmanparast A (2019) Critical assessment of the fatigue crack growth rate sensitivity to material microstructure in ferrite-pearlite steels in air and marine environment, Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, 754 (April) 750-765.
- Mehmanparast A & Davies C (2018) The influence of inelastic pre-straining on fracture toughness behaviour of Type 316H stainless steel, Engineering Fracture Mechanics, 188 (February) 112-125.
- Dagry F, Mehmanparast A, Muller P & Pantke K (2018) Fracture mechanics assessment of large diameter wind turbine bearings, Journal of Multiscale Modeling, 10 (4) Article No. 1850010.
- Anandavijayan S, Mehmanparast A & Brennan F (2018) A numerical analysis of the effects of manufacturing processes on material pre-strain in offshore wind monopiles, Procedia Structural Integrity, 13 953-958.
- Mehmanparast A, Taylor J, Brennan F & Tavares I (2018) Experimental investigation of mechanical and fracture properties of offshore wind monopile weldments: SLIC interlaboratory test results, Fatigue and Fracture of Engineering Materials and Structures, 41 (12) 2485-2501.
- Jacob A, Mehmanparast A, Kelleher J & Burca G (2018) Neutron diffraction and neutron imaging residual strain measurements on offshore wind monopole weldments, Procedia Structural Integrity, 13 517-522.
- Mehmanparast A, Albani P & Igwemezie V (2018) Crack growth monitoring in corrosion-fatigue tests using back face strain measurement technique, Procedia Structural Integrity, 13 261-266.
- Bocher M, Mehmanparast A, Braithwaite J & Shafiee M (2018) New shape function solutions for fracture mechanics analysis of offshore wind turbine monopile foundations, Ocean Engineering, 160 (July) 264-275.
- Al‐Turaihi A, Mehmanparast A & Brennan F (2018) The influence of partial surface shot peening on fatigue crack growth behaviour of a high‐strength ferritic steel, Fatigue and Fracture of Engineering Materials and Structures, 41 (3) 663-674.
- Jacob A, Oliveira J, Mehmanparast A, Hosseinzadeh F, Kelleher J & Berto F (2018) Residual stress measurements in offshore wind monopile weldments using neutron diffraction technique and contour method, Theoretical and Applied Fracture Mechanics, 96 (August) 418-427.
- Igwemezie V, Mehmanparast A & Kolios A (2018) Materials selection for XL wind turbine support structures: A corrosion-fatigue perspective, Marine Structures, 61 (September) 381-397.
- Vojdani A, Farrahi G, Mehmanparast A & Wang B (2018) Probabilistic assessment of creep-fatigue crack propagation in austenitic stainless steel cracked plates, Engineering Fracture Mechanics, 200 (September) 50-63.
- Moulas D, Shafiee M & Mehmanparast A (2017) Damage analysis of ship collisions with offshore wind turbine foundations, Ocean Engineering, 143 (October) 149-162.
- Mehmanparast A, Brennan F & Tavares I (2017) Fatigue crack growth rates for offshore wind monopile weldments in air and seawater: SLIC inter-laboratory test results, Materials and Design, 114 (January) 494-504.
- Adedipe O, Brennan F, Mehmanparast A, Kolios A & Tavares I (2017) Corrosion fatigue crack growth mechanisms in offshore monopile steel weldments, Fatigue and Fracture of Engineering Materials and Structures, 40 (11) 1868-1881.
- Mehmanparast A, Davies M C, Dean W D & Nikbin K (2016) Effects of plastic pre-straining level on the creep deformation, crack initiation and growth behaviour of 316H stainless steel, International Journal of Pressure Vessels and Piping, 141 (May) 1-10.
- Chahardehi A. & Mehmanparast A. (2016) Fatigue crack growth under remote and local compression–a state-of-the-art review, Frattura e Integrita Strutturale, 10 (35) 41-49.
- Mehmanparast A, Davies CM & Nikbin K (2016) Creep-fatigue crack growth testing and analysis of pre-strained 316H stainless steel, Procedia Structural Integrity, 2 785-792.
- Jacob A & Mehmanparast A (2016) Sensitivity analysis of material microstructure effects on predicted crack paths using finite element simulations, Journal of Multiscale Modeling, 7 (2) Article No. 1650003.
- Quintero H & Mehmanparast A (2016) Prediction of creep crack initiation behaviour in 316H stainless steel using stress dependent creep ductility, International Journal of Solids and Structures, 97-98 (October) 101-115.
- Mehmanparast A, Adedipe O, Brennan F & Chahardehi A (2015) Welding sequence effects on residual stress distribution in offshore wind monopile structures, Frattura e Integrita Strutturale, 10 (35) 125-131.
- Mehmanparast A, Davies CM, Dean DW & Nikbin KM (2014) Plastic pre-compression and creep damage effects on the fracture toughness behaviour of Type 316H stainless steel, Engineering Fracture Mechanics, 131 26-37.
- Mehmanparast A, Davies CM & Nikbin KM (2014) Quantification and Prediction of Residual Stresses in Creep Crack Growth Specimens, Materials Science Forum, 777 25-30.
- Mehmanparast A & Nikbin KM (2014) Numerical Prediction of the Long Term Creep Crack Growth Behaviour in Type 316H Stainless Steel, Key Engineering Materials, 577-578 153-156.
- Kim N-H, Kim Y-J, Dean DW, Davies CM, Nikbin K & Mehmanparast A (2014) Elastic and inelastic responses of C(T) specimens with discontinuous cracks, Journal of Pressure Vessel Technology, 137 (1) Article No. 014501.
- Mehmanparast A, Davies CM, Webster GA & Nikbin KM (2014) Creep crack growth rate predictions in 316H steel using stress dependent creep ductility, Materials at High Temperatures, 31 (1) 84-94.
- Mehmanparast A (2014) Prediction of creep crack growth behaviour in 316H stainless steel for a range of specimen geometries, International Journal of Pressure Vessels and Piping, 120-121 (Aug-Sept) 55-65.
- Zhou H, Biglari F, Davies CM, Mehmanparast A & Nikbin KM (2014) Evaluation of fracture mechanics parameters for a range of weldment geometries with different mismatch ratios, Engineering Fracture Mechanics, 124-125 (July) 30-51.
- Zhou H, Mehmanparast A, Davies CM & Nikbin KM (2013) Evaluation of fracture mechanics parameters for bimaterial compact tension specimens, Materials Research Innovations, 17 (5) 318-322.
- Mehmanparast A, Davies CM, Dean DW & Nikbin K (2013) Material pre-conditioning effects on the creep behaviour of 316H stainless steel, International Journal of Pressure Vessels and Piping, 108-109 (Aug-Sept) 88-93.
- Mehmanparast A, Davies CM, Dean DW & Nikbin KM (2013) The influence of pre-compression on the creep deformation and failure behaviour of Type 316H stainless steel, Engineering Fracture Mechanics, 110 52-67.
- Mehmanparast A, Biglari F, Davies CM & Nikbin KM (2012) An investigation of irregular crack path effects on fracture mechanics parameters using a grain microstructure meshing technique, Journal of Multiscale Modeling, 4 (1) Article No. 1250001.
- Mehmanparast A, Davies CM & Nikbin KM (2011) Evaluation of the testing and analysis methods in ASTM E2760-10 creep-fatigue crack growth testing standard for a range of steels, Journal of ASTM International, 8 (10).
Conference Papers
- Jacob A, de Oliveira JA, Mehmanparast A, Hosseinzadeh F & Berto F (2018) Should residual stresses be taken into account in structural integrity assessment of offshore monopiles?. In: ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2018), Madrid, 17-22 June 2018.
- Mehmanparast A & Nikbin K (2015) The importance of micro-crack evolution under oxidation/creep conditions in component failure life predictions. In: 18th International Symposium on Ceramics in Medicine, 2005, Kyoto, 5-8 December 2005.
- Yatomi M, Mehmanparast A, Maleki S & Nikbin KM (2014) The weld depth and angle acuity effects on the crack growth behaviour of P91 feature test specimens. In: ASME 2014 Pressure Vessels and Piping Conference (PVP 2014), Anaheim, CA, 20-24 July 2014.
- Kim NH, Kim YJ, Davies CM, Mehmanparast A & Nikbin KM (2013) The effect of discontinuous crack in creep crack growth tests. In: ASME 2013 Pressure Vessels and Piping Conference (PVP 2013), Paris, 14-18 July 2013.
- Maleki S, Mehmanparast A & Nikbin KM (2013) Creep crack growth prediction of very long term P91 steel using extrapolated short-term uniaxial creep data. In: ASME 2013 Pressure Vessels and Piping Conference (PVP 2013), Paris, 14-18 July 2013.
- Mehmanparast A, Davies CM, Dean DW & Nikbin KM (2013) The influence of inelastic damage on tensile deformation and creep crack growth behaviour of type 316H stainless steel. In: ASME 2013 Pressure Vessels and Piping Conference (PVP 2013), Paris, 14-18 July 2013.
- Mehmanparast A, Maleki S, Yatomi M & Nikbin KM (2013) Specimen geometry and size effects on the creep crack growth behaviour of P91 weldments. In: ASME 2013 Pressure Vessels and Piping Conference (PVP 2013), Paris, 14-18 July 2013.
- Mehmanparast AN, Davies CM, Wimpory RC & Nikbin KM (2012)
Quantification of residual stresses induced by prior loading at high temperatures
. In: ASME 2011 Pressure Vessels and Piping Conference (PVP 2011), Baltimore, MA, 17-21 July 2011. - Mehmanparast A, Davies CM, Dean DW & Nikbin KM (2012)
Specimen Orientation and Constraint Effects on the Creep Crack Growth Behaviour of 316H Stainless Steel
. In: ASME 2012 Pressure Vessels and Piping Conference (PVP 2012), Toronto, Ontario, 15-19 July 2012. - Nezhad HY, O'Dowd NP, Davies CM, Mehmanparast AN & Nikbin KM (2012) Influence of Prior Deformation on Creep Crack Growth Behaviour of 316H Austenitic Steels. In: ASME 2012 Pressure Vessels and Piping Conference (PVP 2012), Toronto, Ontario, 15-19 July 2012.
- Davies CM, Dean DW & Mehmanparast A (2012)
TDFAD analysis of creep crack initiation in pre-strained and as-received type 316h stainless steel
. In: ASME 2012 Pressure Vessels and Piping Conference (PVP 2012), Toronto, Ontario, 15-19 July 2012. - Yazdani Nezhad H, O'Dowd NP, Davies CM, Mehmanparast AN & Nikbin KM (2012) Influence of prior deformation on creep crack growth behaviour of 316H austenitic steels. In: ASME 2012 Pressure Vessels and Piping Conference (PVP 2012), Toronto, 15 July 2012.
- Mehmanparast AN, Davies CM, Ardakani M & Nikbin KM (2011) A Microstructural Study of Compressive Plastic Pre-Strain Effects on Creep Damage Behaviour of Type 316H Stainless Steel. In: ASME 2011 Pressure Vessels and Piping Conference (PVP 2011), Baltimore, MA, 17-21 July 2011.
- Davies CM, Dean DW, Mehmanparast AN & Nikbin KM (2010) Compressive Pre-Strain Effects on the Creep and Crack Growth Behaviour of 316H Stainless Steel. In: ASME 2010 Pressure Vessels and Piping Conference (PVP 2010), Bellevue, WA, 18-22 July 2010.
- Mehmanparast AN, Davies CM & Nikbin KM (2010)
Validation of the k and j parameters in a compact tension specimen containing intergranular and straight crack paths
. In: ASME 2010 Pressure Vessels and Piping Conference (PVP 2010), Bellevue, WA, 18-22 July 2010. - Davies CM, Dean DW, Mehmanparast AN & Nikbin KM (2009)
The Influence of Creep-Fatigue Interaction on High Temperature Crack Growth in 316 Steel Weldments
. In: ASME 2009 Pressure Vessels and Piping Conference (PVP 2009), Prague, 26-30 July 2009.
Books
- Davies CM & Mehmanparast A (2013) Creep crack growth modelling in 316H stainless steel. In: Advanced materials modelling for structures. Holm Altenbach, Serge Kruch (ed.), Springer Berlin Heidelberg, p. 109-120.
