Wengang Mao

Docent at Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics

Wengang Mao holds an MSc in Naval Architecture and Ocean Engineering and got his PhD in Mathematical Statistics in 2010. He has been working in China Classification Society (CCS) for about 2 years as a ship structure engineer. His current research focuses on the fatigue and reliability analysis of ship structures, Statistical modeling of ocean waves, wind & wave loads, computation of ship structural dynamics and seakeeping analysis.Wengang Mao’s research contributes to Chalmers Areas of Advance in Transportation and Energy. He is also a member of The International Ship and Offshore Structures Committee (ISSC): the Technical Committee III.2 (Fatigue and Fracture).

Source: chalmers.se

Projects

2015–2016

Study on the analysis of market potentials and market barriers for wind propulsion technologies for ships

Wengang Mao Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
European Commission (EC)

2014–2019

ShipCLEAN - Energy efficient marine transport through optimization of coupled transportation logistics and energy systems analyses

Jonas Ringsberg Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Bengt J Ramne Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Fabian Tillig Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Wengang Mao Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Lighthouse - maritime competence centre

2012–2017

Modeling environmental loads and structural responses

Igor Rychlik Department of Mathematical Sciences, Mathematical Statistics
Wengang Mao Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Jonas Ringsberg Department of Shipping and Marine Technology, Marine Structures and Hydrodynamics
Swedish Research Council (VR)

3 publications exist
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Publications

2016

Machine Learning to predict a ship's fuel consumption in seaways

Wengang Mao, Peter Lanaers, Hans Salomonsson et al
Proceeding of PRADS 2016, 4-8, September, Copenhagen, Denmark
Conference paper - peer reviewed
2016

Uncertainties of crack propagation analysis in ship structures

Wengang Mao, Jingxia Yue, Da Wu et al
Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2016) in Busan, Korea, June 19-24, 2016. Vol. 3
Conference paper - peer reviewed
2016

Influence of different wave load sequence models on fatigue life prediction of ship structures based on fracture mechanics approach

Luis De Gracia, Naoki Osawa, Wengang Mao et al
Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2016) in Busan, Korea, June 19-24, 2016. Vol. 3
Conference paper - peer reviewed
2016

A generic energy systems model for efficient ship design and operation

Fabian Tillig, Jonas Ringsberg, Wengang Mao et al
Journal of Engineering for the Maritime Environment, p. 10
Scientific journal article - peer reviewed
2016

Estimation of Weibull distribution for wind speeds along ship routes

Wengang Mao, Igor Rychlik,
Journal of Engineering for the Maritime Environment
Scientific journal article - peer reviewed
2016

Statistical models for the speed prediction of a container ship

Wengang Mao, Igor Rychlik, Jonas Wallin et al
Ocean Engineering. Vol. 126, p. 152-162
Scientific journal article - peer reviewed
2015

ISSC committee III.2 - Fatigue and Fracture

Brennan F.P., K. Branner, J.H. den Besten et al
Proceedings of the Nineteenth International Ship and Offshore Structures Congress (ISSC 2015) in Cascais, Portugal, September 7-10, 2015
Chapter in monograph, book
2015

DIRECT optimization algorithm in weather routing of ships

Erik Larsson, Martin Hjorth Simonsen, Wengang Mao et al
25th International Ocean and Polar Engineering Conference, ISOPE 2015, Kona, Big Island, United States, 21-26 June 2015. Vol. 2015-January, p. 1207
Conference paper - peer reviewed
2015

Holistic ship energy systems modelling for efficient ship design and operation

Fabian Tillig, Jonas Ringsberg, Wengang Mao et al
Proceedings of the RINA International Conference on Energy Efficient Ships, Rotterdam, The Netherlands, November 4, p. 7-16
Conference paper - peer reviewed
2015

DIRECT Optimization Algorithm for Ship Routing Plan

Erik Larsson, Martin Hjorth Simonsen, Wengang Mao et al
Proceedings of the International Offshore and Polar Engineering Conference. 25th International Offshore and Polar Engineering Conference, ISOPE-2015, Hawaii, 21-26 June 2015.
Conference paper - peer reviewed
2015

State-of-the-art within ship weather routing

Martin Hjorth Simonsen, Erik Larsson, Wengang Mao et al
Proceedings of the ASME Thirty-fourth International Conference on Ocean, Offshore and Arctic Engineering (OMAE2015) in St John's, Newfoundland and Labrador, Canada, May 31-June 5, 2015., p. 11(pp.)
Conference paper - peer reviewed
2015

A regression and beam theory based approach for fatigue assessment of containership structures including bending and torsion contributions

Wengang Mao, Zhiyuan Li, Viktor Ogeman et al
Marine Structures. Vol. 41 (1), p. 244-266
Scientific journal article - peer reviewed
2015

Systems modelling for energy-efficient shipping

Fabian Tillig, Wengang Mao, Jonas Ringsberg et al
Report
2014

Probabilistic Model for Wind Speed Variability Encountered by a Vessel

Igor Rychlik, Wengang Mao,
Natural Resources. Vol. 5 (13), p. 837-855
Scientific journal article - peer reviewed
2014

The contribution of horizontal bending and warping stress to the total fatigue accumulation of containerships

Wengang Mao,
Proceedings of the ICTWS 2014 7th International Conference on Thin-Walled Structures, 28 September – 2 October 2014, Busan, Korea, p. p8
Conference paper - peer reviewed
2014

Crack growth analysis in ship structures using spectral methods

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Proceedings of the 7th International Conference on Thin-Walled Structures (ICTWS2014) in Busan, Korea, 28th September - 2nd October, 2014, p. 9
Conference paper - peer reviewed
2014

Study of potential benefits of ship route planning considering fuel consumption, ETA and fatigue damage accumulation

Jonas Ringsberg, Wengang Mao,
Proceedings of the 7th International Conference on Thin-Walled Structures (ICTWS2014) in Busan, Korea, 28th September - 2nd October, 2014, p. 10
Conference paper - peer reviewed
2014

Development of a Spectral Method and a Statistical Wave Model for Crack Propagation Prediction in Ship Structures

Wengang Mao,
Journal of Ship Research. Vol. 58 (2), p. 106-116
Scientific journal article - peer reviewed
2014

Uncertainty in stress concentration factor computation for ship fatigue design

Viktor Ogeman, Wengang Mao, Jonas Ringsberg et al
Proceedings of the ASME Thirty-third International Conference on Ocean, Offshore and Arctic Engineering (OMAE2014) in San Francisco, California, USA, June 8-13, 2014. Vol. 4A
Conference paper - peer reviewed
2014

An efficient direct calculation approach for fatigue assessment of container ships concerning bending and warping stresses

Zhiyuan Li, Jonas Ringsberg, Wengang Mao et al
Proceedings of the ASME Thirty-third International Conference on Ocean, Offshore and Arctic Engineering (OMAE2014) in San Francisco, California, USA, June 8-13, 2014. Vol. 4A
Conference paper - peer reviewed
2014

A comparative study of fatigue assessments of container ship structures using various direct calculation approaches

Zhiyuan Li, Wengang Mao, Jonas Ringsberg et al
Ocean Engineering. Vol. 82 (1), p. 65-74
Scientific journal article - peer reviewed
2013

Analysis of crack retardation effects and crack path in ship structure members on different routes

Fredhi Agung Prasetyo, Wengang Mao, Tomohei Kobayashi et al
Proceedings of the Thirteenth International Conference on Fracture (ICF13) in Beijing, China, June 16-21, 2013, p. 9
Conference paper - peer reviewed
2013

Analysis of fatigue crack initiation and propagation in ship structures

Wengang Mao, Jonas Ringsberg,
Proceedings of the Thirteenth International Conference on Fracture (ICF13) in Beijing, China, June 16-21, 2013, p. 10
Conference paper - peer reviewed
2013

A comparison of two wave models and their influence on fatigue damage in ship structures

Wengang Mao, Fredhi Agung Prasetyo, Jonas Ringsberg et al
Proceedings of the ASME Thirty-second International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2013) in Nantes, France, June 9-13, 2013. Vol. 2 A
Conference paper - peer reviewed
2013

Comparison of computational methods for evaluation of wave-load-induced fatigue damage accumulation in a containership structure detail

Viktor Ogeman, Wengang Mao, Jonas Ringsberg et al
Proceedings of the Fifth International Conference on Computational Methods in Marine Engineering (MARINE 2013) in Hamburg, Germany, May 29-31, 2013 (Editors B. Brinkmann and P. Wriggers), International Center for Numerical Methods in Engineering (CIMNE), Barcelona, Spain, p. 342-353
Conference paper - peer reviewed
2013

Notes on the Prediction of Extreme Ship Response

Wengang Mao, Igor Rychlik,
Journal of Offshore Mechanics and Arctic Engineering. Vol. 135 (2)
Scientific journal article - peer reviewed
2012

Estimation of rainflow damages in container ships

Wengang Mao, Igor Rychlik,
Proceedings of the International Offshore and Polar Engineering Conference. 22nd International Offshore and Polar Engineering Conference, ISOPE-2012, Rhodes, 17-22 June 2012. Vol. 4, p. 688-694
Conference paper - peer reviewed
2012

A comparative study of fatigue assessment of a container ship structure using various direct calculation approaches

Zhiyuan Li, Wengang Mao, Jonas Ringsberg et al
Proceedings of the International Conference on Maritime Technology (ICMT2012) in Harbin, Heilongjiang, P. R. China, June 25-28, 2012, p. 405-409 (No. H95)
Conference paper - peer reviewed
2012

A comparison of direct calculation approaches applied on the fatigue strength assessment of a Panamax container ship

Zhiyuan Li, Jonas Ringsberg, Wengang Mao et al
Proceedings of the ASME Thirty-first International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2012) in Rio de Janeiro, Brazil, July 1-6, 2012. Vol. 2, p. 185-192 (OMAE2012-83332)
Conference paper - peer reviewed
2012

Fatigue variation in ships due to the variability of environmental loads

Wengang Mao, Zhiyuan Li, Jonas Ringsberg et al
Proceedings of the ASME Thirty-first International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2012) in Rio de Janeiro, Brazil, July 1-6, 2012. Vol. 2, p. 145-154 (OMAE2012-83293)
Conference paper - peer reviewed
2012

Application of a ship-routeing fatigue model to case studies of 2800 TEU and 4400 TEU container vessels

Wengang Mao, Zhiyuan Li, Jonas Ringsberg et al
Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment. Vol. 226 (3), p. 222-234
Scientific journal article - peer reviewed
2012

What is the potential of using ship fatigue routing in terms of fatigue life extension?

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Proceedings of the Twentysecond International Offshore and Polar Engineering Conference (ISOPE2012) on Rhodes, Greece, June 17-22, 2012. Vol. 4, p. 681-687
Conference paper - peer reviewed
2012

Estimation of Extreme Ship Response

Wengang Mao, Igor Rychlik,
Journal of Ship Research. Vol. 56 (1), p. 23-34
Scientific journal article - peer reviewed
2012

Theoretical development and validation of a fatigue model for ship routing

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Ships and Offshore Structures. Vol. 7 (4), p. 399-415
Scientific journal article - peer reviewed
2011

Development of a fatigue model useful in ship routing design

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
The Society of Naval Architects and Marine Engineers (SNAME) - TRANSACTIONS. Vol. 118 (1), p. 497-511
Scientific journal article - peer reviewed
2011

On estimation of extreme ship response using upcrossing spectrum

Wengang Mao, Igor Rychlik,
Advances in Marine Structures - Proceedings of the 3rd International Conference on Marine Structures, MARSTRUCT 2011, Hamburg, 28 - 30 March 2011, p. 49-58
Conference paper - peer reviewed
2011

Assessment of full-scale measurements with regard to extreme hogging and sagging condition of container ships

Wengang Mao, Jonas Ringsberg, Zhiyuan Li et al
Proceedings of the ASME Thirtieth International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2011) in Rotterdam, the Netherlands, June 19-24, 2011. Vol. 2, p. 325-333 (OMAE2011-49456)
Conference paper - peer reviewed
2010

Safety Index of Fatigue Failure for Ship Structure Details

Wengang Mao, Igor Rychlik, Gaute Storhaug et al
Journal of Ship Research. Vol. Vol. 54 (No, 3), p. pp. 197-208
Scientific journal article - peer reviewed
2010

Development of a fatigue model useful in ship routing design

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Journal of Ship Research. Vol. 54 (4), p. 281-293
Scientific journal article - peer reviewed
2010

Estimation of wave loading induced fatigue accumulation and extreme response of a container ship in severe seas

Wengang Mao, Zhiyuan Li, Thomas Galtier et al
Proceedings of the ASME 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) in Shanghai, China, June 6-11, 2010. Vol. 2, p. 133-141 (OMAE2010-20125)
Conference paper - peer reviewed
2010

The effect of whipping/springing on fatigue damage and extreme response of ship structures

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Proceedings of the ASME 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) in Shanghai, China, June 6-11, 2010. Vol. 2, p. 123-131 (OMAE2010-20124)
Conference paper - peer reviewed
2010

Fatigue damage assessment of container ships concerning wave-induced torsion

Zhiyuan Li, Jonas Ringsberg, Wengang Mao et al
Proceedings of the ASME 29th International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2010) in Shanghai, China, June 6-11, 2010. Vol. 2, p. 151-158 (OMAE2010-20140)
Conference paper - peer reviewed
2010

Estimation of extreme ship responses

Wengang Mao, Igor Rychlik,
Preprint
2009

Comparison between a fatigue model for voyage planning and measurements of a container vessel

Wengang Mao, Jonas Ringsberg, Igor Rychlik et al
Proceedings of the ASME Twenty-eighth International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2009) on Hawaii, USA, May 31 - June 5, 2009. Vol. 2, p. 173-180 (OMAE2009-79235)
Conference paper - peer reviewed
2009

Random Fatigue Analysis of Container Ship Structures

Wengang Mao,
Licentiate thesis
2008

Safety Index of Fatigue Failure for Ship Structure Details

Wengang Mao, Igor Rychlik, G. Storhaug et al
Preprint