Associate Professor Winston Sweatman staff profile picture

Contact details +64 (09) 414 0800  ext. 43601

Associate Professor Winston Sweatman

Associate Professor

Institute of Natural and Mathematical Sciences

Winston works in a various areas of mathematics, in particular applying mathematical modelling.  In  stellar dynamics and celestial mechanics, he studies problems relating to a number of gravitationally attracting masses. He  is director of the Centre for Mathematics in Industry at Massey University, and has been a moderator  for  the last twelve Australia/New Zealand mathematics-in-industry study groups, further contributing to  study groups in China, Canada and Ireland. He is a former President of the New Zealand Mathematical Society  (2013-2015). He is keen on sport and  won a Commonwealth Games silver medal at judo at Auckland 1990,  competing  for Scotland

Professional

Prizes and Awards

  • Best Poster ECMI 2008 (European Consortium for Mathematics in Industry 2008 conference), University College, London. The poster, 'A model for crop spray adhesion, bounce and shatter at a leaf', concerned maths-in-industry research and was joint work with G.N.Mercer of University of New South Wales and W.A.Forster of Plant Protection Chemistry NZ. A paper based on the poster was published in the conference proceedings. - (2008)
  • 00 - (1900)

Research Expertise

Research Interests

Mathematics: stellar dynamics, mathematics-in-industry, celestial mechanics, mathematical modelling, mathematical astronomy

Thematics

21st Century Citizenship

Area of Expertise

Field of research codes
Applied Mathematics (010200): Mathematical Aspects of Classical Mechanics, Quantum Mechanics and Quantum Information Theory (010503): Mathematical Physics (010500): Mathematical Sciences (010000): Numerical and Computational Mathematics (010300)

Research Projects

Summary of Research Projects

Position Current Completed
Team Member 0 2

Research Outputs

Journal

Senaratne, GG., Keam, RB., Sweatman, WL., & Wake, GC. (2007). Solutions to the inverse problem in a two-dimensional model for microwave breast tumour detection. International Journal of Intelligent Systems Technologies and Applications. 3(1-2), 133-148
[Journal article]Authored by: Sweatman, W., Wake, G.
Sweatman, WL., Psaltis, S., Dargaville, S., Fitt, A., Gibb, T., Lawson, B., . . . Marion, K. (2014). The mathematical modelling of cheese ripening. ANZIAM Journal. 55, M1-M38
[Journal article]Authored by: Sweatman, W.
Sweatman, WL. (2014). Orbits near central configurations for four equal masses. Celestial Mechanics and Dynamical Astronomy. 119(3-4), 379-395
[Journal article]Authored by: Sweatman, W.
Zhao, Y., Bond, IA., & Sweatman, WL. (2014). An Android application for receiving notifications of astrophysical transient events. Astronomy and Computing. 6, 19-27
[Journal article]Authored by: Bond, I., Sweatman, W.
Pritchard, G., Sweatman, WL., Mohammadian, G., & Kilby, P. (2012). A simplified financial transmission rights auction in the context of the New Zealand electricity grid. ANZIAM Journal. 54(SUPPL)
[Journal article]Authored by: Sweatman, W.
Ali, A., McKibbin, R., & Sweatman, WL. (2012). Simplified modelling of pollutant transport in stratified groundwater aquifers. iEMSs 2012 - Managing Resources of a Limited Planet: Proceedings of the 6th Biennial Meeting of the International Environmental Modelling and Software Society. , 2739-2746
[Journal article]Authored by: McKibbin, R., Sweatman, W.
Hocking, GC., Sweatman, WL., Fitt, AD., & Breward, C. (2011). Deformations during jet-stripping in the galvanizing process. Journal of Engineering Mathematics. 70(1-3), 297-306
[Journal article]Authored by: Sweatman, W.
Sweatman, WL., Wake, GC., & Cooper, H. (2010). Using influence diagrams as a tool for decision making. ANZIAM Journal. 52
[Journal article]Authored by: Sweatman, W., Wake, G.
Sivasankaran, A., Steves, BA., & Sweatman, WL. (2010). A global regularisation for integrating the Caledonian symmetric four-body problem. Celestial Mechanics and Dynamical Astronomy. 107(1), 157-168
[Journal article]Authored by: Sweatman, W.
Barry, SI., & Sweatman, WL. (2008). Modelling heat transfer in steel coils. ANZIAM Journal. 50(SUPPL.)
[Journal article]Authored by: Sweatman, W.
Senaratne, GG., Keam, RB., Sweatman, WL., Wake, GC., & Simpkin, RA. (2009). Inverse method for the detection of a foreign object using microwave measurements. IET Science, Measurement and Technology. 3(2), 148-158
[Journal article]Authored by: Sweatman, W., Wake, G.
Pimpunchat, B., Sweatman, WL., Wake, GC., Triampo, W., & Parshotam, A. (2009). A mathematical model for pollution in a river and its remediation by aeration. Applied Mathematics Letters. 22(3), 304-308
[Journal article]Authored by: Sweatman, W., Wake, G.
Lim, LL., Sweatman, WL., & McKibbin, R. (2008). A simple deterministic model for volcanic ashfall deposition. ANZIAM Journal. 49(3), 325-336
[Journal article]Authored by: McKibbin, R., Sweatman, W.
Lim, LL., Sweatman, WL., McKibbin, R., & Connor, CB. (2008). Tephra fallout models: The effect of different source shapes on isomass maps. Mathematical Geosciences. 40(2), 147-157
[Journal article]Authored by: McKibbin, R., Sweatman, W.
Senaratne, GG., Keam, RB., Sweatman, WL., & Wake, GC. (2007). Solutions of inverse problems with potential application for breast tumour detection using microwave measurements. Computational and Mathematical Methods in Medicine. 8(4), 245-261
[Journal article]Authored by: Sweatman, W., Wake, G.
Sweatman, WL. (2007). Full ionization in binary-binary encounters of equal masses with a small positive total energy. Monthly Notices of the Royal Astronomical Society. 377(1), 459-464
[Journal article]Authored by: Sweatman, W.
Senaratne, GG., Keam, RB., Sweatman, WL., & Wake, GC. (2007). Solutions to the inverse problem in a two-dimensional model for microwave breast tumour detection. International Journal of Intelligent Systems Technologies and Applications. 3(1/2), 133-148 Retrieved from http://www.inderscience.com/info/inarticle.php?artid=14131
[Journal article]Authored by: Sweatman, W., Wake, G.
Sweatman, WL. (2006). A family of symmetrical schubart-like interplay orbits and their stability in the one-dimensional four-body problem. Celestial Mechanics and Dynamical Astronomy. 94(1), 37-65
[Journal article]Authored by: Sweatman, W.

Conference

Sweatman, WL., Psaltis, S., Dargaville, S., & Fitt, A. (2017). A mathematical model of the ripening of cheddar cheese. In G. Russo, V. Capasso, G. Nicosia, & V. Romano (Eds.) "Progress in Industrial Mathematics at ECMI 2014", Mathematics in Industry 22, Springer International Publishing, ISBN 978-3-319-23412-0, doi: 10.1007/978-3-319-23413-7. (pp. 1021 - 1027).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Kamoda, K., Rong, Z., Ishimaru, K., Sasaki, T., Thai, LT., Meldrano, F., . . . Triadis, D. (2016). Description of hererogeneous rock pore structures using mathematical models. Mathematics-for-Industry Lecture Note Series. Vol. 71 (pp. 38 - 49).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL., McGree, J., Carstens, CJ., Foster, KJ., Liu, S., Tierney, N., . . . Zaitouny, A. (2016). Visualisation and statistical modelling techniques for the management of inventory stock levels. ANZIAM Journal : Electronic Supplement. Vol. 57 (pp. M130 - M162).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL., Mercer, G., Boland, J., Cusimano, N., Greenwood, A., Harley, K., . . . Pettet, G. (2016). Seaweed cultivation and the remediation of by-products from ethanol production: a glorious green growth. ANZIAM Journal : Electronic Supplement. Vol. 56 (pp. M1 - M29).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Fullard, L., Sweatman, W., Wilkins, M., Cater, J., Kueh, CSL., Lau, J., . . . Wang, Y. (2016). Eliminating early cut-offs and estimating cycle end time in a tumble dryer. In G. Wake, & AJ. Roberts (Eds.) ANZIAM Journal - Proceedings of the 2015 Mathematics and Statistics in Industry NZ Study Group, MISG-2015. Vol. 57 (pp. M237 - M267). : 2015 Mathematics and Statistics in Industry NZ Study Group, MISG-2015
[Conference Paper in Published Proceedings]Authored by: Fullard, L., Kueh, C., Sweatman, W.Contributed to by: Kueh, C.
Sweatman, WL. (2015). Mathematics-in-industry study group projects from Australia and New Zealand in the past decade. Springer Proceedings in Mathematics and Statistics. Vol. 117 (pp. 433 - 438).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL. (2015). Symmetric four-body problems. Springer Proceedings in Mathematics and Statistics. Vol. 117 (pp. 439 - 444).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
McKibbin, R., Ali, A., & Sweatman, WL. (2014). A simplified model for transport in aquifers. In K. Vafai, A. Began, A. Nakayama, & O. Manca (Eds.) Proceedings of the 5th International Conference on Porous Media and its Applications in Science and Engineering. (pp. 1 - 6). http://dc.engconfintl.org/porous_media_V/56: 5th International Conference on Porous Media and their Applications in Science
[Conference Paper in Published Proceedings]Authored by: McKibbin, R., Sweatman, W.
Sweatman, WL. (2014). Mathematics in industry study group (MISG) steel projects from Australia and New Zealand. In M. Wakayama, RS. Anderssen, J. Cheng, Y. Fukumoto, R. McKibbin, K. Polthier, . . . K-C. Toh (Eds.) Mathematics for Industry 1, The impact of applications on mathematics, Proceedings of the forum of Mathematics for Industry 2013. Vol. 1 (pp. 307 - 322). Tokyo, Japan
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.Edited by: McKibbin, R.
Ali, A., Sweatman, WL., & McKibbin, R. (2014). Pollution transport and its alleviation in groundwater aquifers. In M. Fontes, M. Gunther, & N. Marheineke (Eds.) Progress in Industrial Mathematics at ECMI 2012, Mathematics in Industry 19. Vol. Mathematics in Industry (pp. 53 - 58). : 17th European Conference on Mathematics for Industry, ECMI2012
[Conference Paper in Published Proceedings]Authored by: McKibbin, R., Sweatman, W.
Sweatman, WL. (2014). Symmetric Four-mass Schubart-like Systems. Proceedings of the International Astronomical Union. Vol. 9 (pp. 106 - 107).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL., Wake, GC., Fullard, L., & Bruna, M. (2011). Recovering vanadium during the production of steel from iron sand. ANZIAM Journal. Vol. 53
[Conference Paper in Published Proceedings]Authored by: Fullard, L., Sweatman, W., Wake, G.
Hocking, GC., Sweatman, WL., Fitt, AD., & Breward, C. (2012). Deformations arising during air-knife stripping in the galvanisation of steel. In M. Gunther, A. Bartel, M. Brunk, S. Schops, & M. Striebel (Eds.) Progress in Industrial Mathematics at ECMI 2010, Mathematics in Industry 17. (pp. 311 - 317).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL., Barry, SI., & McGuinness, M. (2012). Heat transfer during annealing of steel coils. In M. Gunther, A. Bartel, M. Brunk, S. Schops, & M. Striebel (Eds.) Progress in Industrial Mathematics at ECMI 2010, Mathematics in Industry 17. (pp. 303 - 309). Berlin, Heidelberg: Progress in Industrial Mathematics at ECMI 2010
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Ali, A., Mckibbin, R., & Sweatman, WL. (2011). Fluid Flow and Solute Transport in Unevenly-stratified Groundwater Aquifers. AIP Conference Proceedings. Vol. 1453 (pp. 11 - 16).
[Conference Paper in Published Proceedings]Authored by: McKibbin, R., Sweatman, W.
Sweatman, WL., Barry, SI., & McGuiness, M. (2010). Heat transfer during steel coil annealing. Poster session presented at the meeting of The 16th European Conference on Mathematics for Industry. Wuppertal, Germany
[Conference Poster]Authored by: Sweatman, W.
Senaratne, G., Sweatman, WL., & Wake, GC. (2010). Inverse solutions to microwave scattering problem for breast tumor detection and size estimation. The 2nd International Conference on RF and Signal Processing Systems (RSPS - 2010). (pp. 411 - 416).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W., Wake, G.
McGuinness, M., Sweatman, WL., Baowan, D., & Barry, SI. (2009). Annealing steel coils. In T. Marchant, M. Edwards, & G. Mercer (Eds.) The 2008 Mathematics and Statistics in Industry Study Group (MISG2008). (pp. 61 - 80).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Hocking, GC., Sweatman, WL., Roberts, ME., & Fitt, A. (2010). Coating deformations in the continuous hot-dipped galvanizing process. In T. Marchant, M. Edwards, & G. Mercer (Eds.) Mathematics and Statistics in Industry Study Group (MISG2009). (pp. 75 - 89).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Hocking, GC., Sweatman, WL., & Roberts, ME. (2009). Coating deformation in the jet stripping process (bluescope steel research). In T. Marchant, & M. Edwards (Eds.) Mathematics and Statistics in Industry Study Group (MISG2009), Industry Problem Reports: Equation-free Summaries. (pp. 9 - 10).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Bond, IA., Lin, W., & Sweatman, WL. (2008). Delivering machine readable microlensing data across the internet. In E. Kerins, S. Mao, N. Rattenbury, & L. Wyrzykowski (Eds.) The Manchester Microlensing Conference: The 12th International Conference and ANGLES Microlensing Workshop. Vol. PoS(GMC8)047Online: The Manchester Microlensing Conference: The 12th International Conference and ANGLES Microlensing Workshop
[Conference Paper in Published Proceedings]Authored by: Bond, I., Sweatman, W.
Mercer, GN., Sweatman, WL., & Forster, WA. (2010). A model for spray droplet adhesion, bounce or shatter at a crop leaf surface.. In AD. Fitt, J. Norbury, H. Ockendon, & E. Wilson (Eds.)Vol. 15 (pp. 945 - 951). Berlin-Heidelberg: Progress in Industrial Mathematics at ECMI 2008
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL., Pritchard, G., Whiten, B., Camden, M., & Nan, K. (2010). Optimising for Wind Power Contributions in an Electricity Grid. In AD. Fitt, J. Norbury, H. Ockendon, & RE. Wilson (Eds.) PROGRESS IN INDUSTRIAL MATHEMATICS AT ECMI 2008. Vol. 15 (pp. 1039 - 1045). : 15th European Conference on Mathematics for Industry
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sivasankaran, A., Steves, BA., & Sweatman, WL. (2008). Close encounters in the Caledonian symmetric four-body problem. In H. Varvoglis, & Z. Knezevic (Eds.) The Astronomical Observatory of Belgrade (Special issue: Dynamics of Celestial Bodies - Proceedings of the 2008 International Conference in honor of John D. Hadjidemetriou). (pp. 177 - 180).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
McGuinness, M., Sweatman, WL., & Baowan, D. (2008). Cold-point determination in heat-treated steel coils (New Zealand Steel). Mathematics and Statistics in Industry Study Group - 2008, Industry Problem reports: Equation-free Summaries. (pp. 21 - 22).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Pritchard, G., Sweatman, WL., Nan, K., Camden, M., & Whiten, WJ. (2008). Maximising the contribution of wind power in an electric power grid. In T. Marchant, M. Edwards, & G. Mercer (Eds.) Proceedings of the 2007 Mathematics-in-Industry Study Group (MISG2007). (pp. 114 - 139).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL. (2008, February). Full ionisation in four-body encounters between binary stars. Presented at Australia and New Zealand Industrial and Applied Mathematics (ANZIAM) 2008 Annual Conference. Katoomba, NSW.
[Conference Oral Presentation]Authored by: Sweatman, W.
McGuinness, M., Sweatman, WL., & Baowan, Y. (2008, February). Cold-point determination in heat treated steel coils. Presented at Australia and New Zealand Industrial and Applied Mathematics (ANZIAM) 2008 Annual Conference. Katoomba, NSW.
[Conference Oral Presentation]Authored by: Sweatman, W.
Sweatman, WL. (2007). Full ionisation in binary-binary scattering. Proceedings of the International Astronomical Union. Vol. 3 (pp. 233 - 234).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Mercer, GN., Sweatman, WL., Elvin, A., Caunce, J., Fulford, G., Harper, SA., . . . Pennifold, R. (2007). Process driven models for spray retention of plants. In G. Wake (Ed.) Proceedings of the 2006 Mathematics-in-Industry Study Group. (pp. 57 - 85).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Pimpunchat, B., Sweatman, WL., Triampo, W., Wake, GC., & Parshotam, A. (2007). Modelling river pollution and removal by aeration. MODSIM07 - Land, Water and Environmental Management: Integrated Systems for Sustainability, Proceedings. (pp. 2431 - 2437).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W., Wake, G.
Sweatman, WL. (2007, December). Full ionisation in binary-binary encounters at high velocity. Presented at 1st Joint International Meeting between the American Mathematical Society and the New Zealand Mathematical Society. Victoria University of Wellington, NZ.
[Conference Oral Presentation]Authored by: Sweatman, W.
Sweatman, WL. (2007). Ionisation in binary-binary scattering. Poster session presented at the meeting of International Astronomical Union (IAU) Symposium No.246: Dynamical Evolution of Dense Stellar Systems. Capri, Italy
[Conference Poster]Authored by: Sweatman, W.
Ling, CH., Bond, IA., & Sweatman, WL. (2007). The abundance of planets by gravitational microlensing. Proceedings of the 4th Annual Post Graduate Conference of the Institute of Information and Mathematical Sciences. (pp. 161 - 163).
[Conference Paper in Published Proceedings]Authored by: Bond, I., Sweatman, W.
Lin, W., Bond, IA., & Sweatman, WL. (2007). A real-time virtual observatory: An internet application to time critical astrophysics. Proceedings of the 4th Annual Post Graduate Conference of the Institute of Information and Mathematical Sciences. (pp. 130 - 135).
[Conference Paper in Published Proceedings]Authored by: Bond, I., Sweatman, W.
Pritchard, G., Sweatman, WL., & Nan, K. (2007). Operating and planning an electricity transmission grid to maximize the contribution of wind. Mathematics and Statistics in Industry Study Group 2007 Conference. (pp. 19 - 21).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.
Sweatman, WL. (2007, January). The destruction of binary stars in low energy gravitational encounters. Presented at Australian and New Zealand Industrial and Applied Mathematics Annual Conference. Fremantle, WA.
[Conference Oral Presentation]Authored by: Sweatman, W.
Senaratne, GG., Keam, RB., Sweatman, WL., & Wake, GC. (2006). Microwave scattering at malignant tissue boundaries: A new method for breast screening. 2006 SICE-ICASE International Joint Conference. (pp. 193 - 197).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W., Wake, G.
Sweatman, WL. (2006). Full ionisation in binary-binary encounters with small positive total energy. Poster session presented at the meeting of 26th General Assembly of the International Astronomical Union (IAU). Prague, Czech Republic
[Conference Poster]Authored by: Sweatman, W.
Mercer, GN., Sweatman, WL., & Elvin, A. (2006). Process driven models for spray retention of plants. Mathematics-in-Industry Study Group 2006: Problem Reports: Equation-Free Summaries. (pp. 7 - 9).
[Conference Paper in Published Proceedings]Authored by: Sweatman, W.

Supervision and Teaching

Summary of Doctoral Supervision

Position Current Completed
Supervisor 1 0
CoSupervisor 2 7

Current Doctoral Supervision

Supervisor of:

CoSupervisor of:

  • Shumaila Noreen - PhD
    The effect of Respiratory Sinus Arrhythmia on coronary blood flow and cardiac output
  • Khadija Khadija Tul Kubra - PhD
    Mathematical modelling of fluid flow and heat and pollutant transport in a porous medium with embedded objects

Completed Doctoral Supervision

CoSupervisor of:

  • 2016 - Saghir Ahmad - PhD
    Design and construction of software for general linear methods
  • 2015 - Yu Zhao - PhD
    Event based transient notification architecture and NoSQL solution for astronomical data management
  • 2015 - Amjad Ali - PhD
    Simplified Modelling of Pollutant Transport in Naturally-layered Aquifers
  • 2013 - Haydn Mark Cooper - PhD
    Discrete Groups and Computational Geometry
  • 2013 - Cho Hong Ling - PhD
    Simulation and Modelling of Gravitational Microlensing Events Using Graphical Processing Units
  • 2009 - Senaratne Galkadowite Gametiralalage - PhD
    Microwave Signal processing for Foreign Object Identification.
  • 2006 - Miss Leng Leng Lim - PhD
    Modelling of Volcanic Ash

Massey Contact Centre Mon - Fri 8:30am to 5:00pm 0800 MASSEY (+64 6 350 5701) TXT 5222 contact@massey.ac.nz Web chat Staff Alumni News Māori @ Massey