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All Stories

  1. A tribological perspective on friction and performance in Olympic snow and ice sports

    Article • Sport Sciences for Health, August 2025, Springer Science + Business Media

    Professor Andreas Almqvist

  2. Quantifying cross-country ski–snow friction using real-time kinematic positioning

    Article • Friction, April 2025, Tsinghua University Press

    Professor Andreas Almqvist

  3. Computational domain optimization for circular EHL contacts

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, August 2024, SAGE Publications

    Professor Andreas Almqvist, Dr Marcus Björling

  4. Characterisation of the Contact between Cross-Country Skis and Snow: On the Multi-Scale Interaction between Ski Geometry and Ski-Base Texture

    Article • Lubricants, October 2023, MDPI AG

    Professor Andreas Almqvist

  5. On flow of power-law fluids between adjacent surfaces: Why is it possible to derive a Reynolds-type equation for pressure-driven flow, but not for shear-driven flow?

    Article • Applications in Engineering Science, September 2023, Elsevier

    Professor Andreas Almqvist

  6. Characterisation of the Contact between Cross-Country Skis and Snow: On the Multi-Scale Interaction between Ski Geometry and Ski-Base~Texture

    Article • July 2023, MDPI AG

    Professor Andreas Almqvist

  7. Machine Learning Composite-Nanoparticle-Enriched Lubricant Oil Development for Improved Frictional Performance—An Experiment

    Article • Lubricants, June 2023, MDPI AG

    Professor Andreas Almqvist

  8. Characterisation of the Contact between Cross-Country Skis and Snow: A Micro-Scale Study Considering the Ski-Base Texture

    Article • Lubricants, May 2023, MDPI AG

    Professor Andreas Almqvist

  9. Characterisation of the Contact between Cross-Country Skis and Snow: A Micro-Scale Study Considering the Ski-Base Texture

    Article • April 2023, MDPI AG

    Professor Andreas Almqvist

  10. The impact of cross-country skiers’ tucking position on ski-camber profile, apparent contact area and load partitioning

    Article • Proceedings of the Institution of Mechanical Engineers Part P Journal of Sports Engineering and Technology, January 2023, SAGE Publications

    Professor Andreas Almqvist

  11. On lower-dimensional models of thin film flow, Part C: Derivation of a Reynolds type of equation for fluids with temperature and pressure dependent viscosity

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, December 2022, SAGE Publications

    Professor Andreas Almqvist

  12. Characterisation of the Contact between Cross-Country Skis and Snow: A Macro-Scale Investigation of the Apparent Contact

    Article • Lubricants, October 2022, MDPI AG

    Professor Andreas Almqvist

  13. A Stress-State-Dependent Thermo-Mechanical Wear Model for Micro-Scale Contacts

    Article • Lubricants, September 2022, MDPI AG

    Professor Andreas Almqvist

  14. Snow contact characterisation of cross-country skis: A macro-scale study of the apparent contact

    Article • August 2022, MDPI AG

    Professor Andreas Almqvist

  15. Validation of a Multi-Scale Contact Temperature Model for Dry Sliding Rough Surfaces

    Article • Lubricants, March 2022, MDPI AG

    Professor Andreas Almqvist

  16. Fundamentals of Physics-Informed Neural Networks Applied to Solve the Reynolds Boundary Value Problem

    Article • Lubricants, August 2021, MDPI AG

    Professor Andreas Almqvist

  17. Fundamentals of Physics-Informed Neural Networks Applied to Solve the Reynolds Boundary Value Problem

    Article • August 2021, MDPI AG

    Professor Andreas Almqvist

  18. Numerical Simulation of Static Seal Contact Mechanics Including Hydrostatic Load at the Contacting Interface

    Article • Lubricants, December 2020, MDPI AG

    Professor Andreas Almqvist

  19. On lower-dimensional models in lubrication, Part A: Common misinterpretations and incorrect usage of the Reynolds equation

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, December 2020, SAGE Publications

    Professor Andreas Almqvist

  20. On lower-dimensional models in lubrication, Part B: Derivation of a Reynolds type of equation for incompressible piezo-viscous fluids

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, December 2020, SAGE Publications

    Professor Andreas Almqvist

  21. Application of topological optimisation methodology to hydrodynamic thrust bearings

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, November 2020, SAGE Publications

    Professor Andreas Almqvist

  22. Application of topological optimisation methodology to finitely wide slider bearings operating under incompressible flow

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, May 2020, SAGE Publications

    Professor Andreas Almqvist

  23. How to optimise bearing geometry

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, February 2020, SAGE Publications

    Professor Andreas Almqvist

  24. Thermal Turbulent Flow in Leading Edge Grooved and Conventional Tilting Pad Journal Bearing Segments—A Comparative Study

    Article • Lubricants, November 2018, MDPI AG

    Professor Andreas Almqvist

  25. An Enhanced Stochastic Two-Scale Model for Metal-to-Metal Seals

    Article • Lubricants, October 2018, MDPI AG

    Professor Andreas Almqvist

  26. On the Two-Scale Modelling of Elastohydrodynamic Lubrication in Tilted-Pad Bearings

    Article • Lubricants, September 2018, MDPI AG

    Professor Andreas Almqvist

  27. Modeling and simulation in tribology across scales: An overview

    Article • Tribology International, September 2018, Elsevier

    Professor Marco Paggi, Professor Andreas Almqvist, Professor Giuseppe Carbone, Dr. Antonio Cammarata

  28. Low degree of freedom approach for predicting friction in elastohydrodynamically lubricated contacts

    Article • Tribology International, February 2016, Elsevier

    Dr Marcus Björling, Professor Andreas Almqvist

  29. A two scale mixed lubrication wearing-in model, applied to hydraulic motors

    Article • Tribology International, October 2015, Elsevier

    Professor Andreas Almqvist

  30. Selected papers from those presented at the 3rd International Tribology Symposium of IFToMM

    Article • Lubrication Science, June 2014, Wiley

    Professor Andreas Almqvist

  31. A wear model for EHL contacts in gerotor type hydraulic motors

    Article • Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science, May 2014, SAGE Publications

    Professor Andreas Almqvist

  32. The effect of three-dimensional deformations of a cylinder liner on the tribological performance of a piston ring–cylinder liner system

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, April 2014, SAGE Publications

    Professor Andreas Almqvist

  33. Editorial

    Article • Tribology - Materials Surfaces & Interfaces, February 2014, Taylor & Francis

    Professor Andreas Almqvist

  34. A New Approach for Studying Cavitation in Lubrication

    Article • Journal of Tribology, November 2013, ASME International

    Professor Andreas Almqvist

  35. An experimental and numerical investigation of frictional losses and film thickness for four cylinder liner variants for a heavy duty diesel engine

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, June 2013, SAGE Publications

    Professor Andreas Almqvist

  36. The influence of AFM and VSI techniques on the accurate calculation of tribological surface roughness parameters

    Article • Tribology International, January 2013, Elsevier

    Professor Andreas Almqvist

  37. Experimental and numerical investigations of oil film formation and friction in a piston ring–liner contact

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, November 2012, SAGE Publications

    Professor Andreas Almqvist

  38. Homogenization of a Reynolds equation describing compressible flow

    Article • Journal of Mathematical Analysis and Applications, June 2012, Elsevier

    Professor Andreas Almqvist

  39. Semi-deterministic chemo-mechanical model of boundary lubrication

    Article • Faraday Discussions, January 2012, Royal Society of Chemistry

    Professor Andreas Almqvist

  40. Interfacial separation between elastic solids with randomly rough surfaces: Comparison between theory and numerical techniques

    Article • Journal of the Mechanics and Physics of Solids, November 2011, Elsevier

    Professor Andreas Almqvist

  41. The influence of surface roughness on friction in a flexible hybrid bearing

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, September 2011, SAGE Publications

    Professor Andreas Almqvist

  42. Numerical simulation of a wear experiment

    Article • Wear, September 2011, Elsevier

    Professor Andreas Almqvist

  43. Similarities and Differences Between the Flow Factor Method by Patir and Cheng and Homogenization

    Article • Journal of Tribology, July 2011, ASME International

    Professor Andreas Almqvist

  44. Discussion

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, June 2011, SAGE Publications

    Professor Andreas Almqvist, Enrico Ciulli

  45. A semi-deterministic texture-roughness model of the piston ring–cylinder liner contact

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, June 2011, SAGE Publications

    Professor Andreas Almqvist

  46. A numerical model to investigate the effect of honing angle on the hydrodynamic lubrication between a combustion engine piston ring and cylinder liner

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, May 2011, SAGE Publications

    Professor Andreas Almqvist

  47. Homogenization of the Reynolds Equation Governing Hydrodynamic Flow in a Rotating Device

    Article • Journal of Tribology, March 2011, ASME International

    Professor Andreas Almqvist

  48. Multiscale homogenization of a class of nonlinear equations with applications in lubrication theory and applications

    Article • Journal of Function Spaces and Applications, January 2011, Hindawi Publishing Corporation

    Professor Andreas Almqvist

  49. A mixed lubrication model incorporating measured surface topography. Part 1: Theory of flow factors

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, December 2009, SAGE Publications

    Professor Andreas Almqvist

  50. A mixed lubrication model incorporating measured surface topography. Part 2: Roughness treatment, model validation, and simulation

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, December 2009, SAGE Publications

    Professor Andreas Almqvist

  51. On the influence of surface roughness on real area of contact in normal, dry, friction free, rough contact by using a neural network

    Article • Wear, March 2009, Elsevier

    Professor Andreas Almqvist

  52. Variational bounds applied to unstationary hydrodynamic lubrication

    Article • International Journal of Engineering Science, September 2008, Elsevier

    Professor Andreas Almqvist

  53. Reiterated homogenization applied in hydrodynamic lubrication

    Article • Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, July 2008, SAGE Publications

    Professor Andreas Almqvist

  54. Homogenization of the unstationary incompressible Reynolds equation

    Article • Tribology International, September 2007, Elsevier

    Professor Andreas Almqvist

  55. A cavitation algorithm for arbitrary lubricant compressibility

    Article • Tribology International, August 2007, Elsevier

    Professor Andreas Almqvist

  56. Rough surface flow factors in full film lubrication based on a homogenization technique

    Article • Tribology International, July 2007, Elsevier

    Professor Andreas Almqvist

  57. On the dry elasto-plastic contact of nominally flat surfaces

    Article • Tribology International, April 2007, Elsevier

    Professor Andreas Almqvist

  58. New concepts of homogenization applied in rough surface hydrodynamic lubrication

    Article • International Journal of Engineering Science, January 2007, Elsevier

    Professor Andreas Almqvist

  59. The homogenization process of the Reynolds equation describing compressible liquid flow

    Article • Tribology International, September 2006, Elsevier

    Professor Andreas Almqvist

  60. A comparison between computational fluid dynamic and Reynolds approaches for simulating transient EHL line contacts

    Article • Tribology International, January 2004, Elsevier

    Professor Andreas Almqvist