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All Outputs (13)

Overcoming volumetric locking in material point methods (2018)
Journal Article
Coombs, W., Charlton, T., Cortis, M., & Augarde, C. (2018). Overcoming volumetric locking in material point methods. Computer Methods in Applied Mechanics and Engineering, 333, 1-21. https://doi.org/10.1016/j.cma.2018.01.010

Material point methods suffer from volumetric locking when modelling near incompressible materials due to the combination of a low-order computational mesh and large numbers of material points per element. Large numbers of material points per element... Read More about Overcoming volumetric locking in material point methods.

Improvement of seabed cable plough tow force prediction models (2017)
Presentation / Conference Contribution
Robinson, S., Brown, M., Brennan, A., Cortis, M., Augarde, C., & Coombs, W. (2017). Improvement of seabed cable plough tow force prediction models. In Offshore site investigation and geotechnics : integrated geotechnologies - present and future. Proceedings of the 8th international conference, held 12–14 September 2017 at the Royal Geographical Society, London (914-921)

As the use of offshore renewable energy sources such as wind and wave energy systems expands, they represent an increasing portion of the energy mix. Subsea cables connecting these resources are subject to many hazards, making cable burial using cabl... Read More about Improvement of seabed cable plough tow force prediction models.

Imposition of essential boundary conditions in the material point method (2017)
Journal Article
Cortis, M., Coombs, W., Augarde, C., Brown, M., Brennan, A., & Robinson, S. (2018). Imposition of essential boundary conditions in the material point method. International Journal for Numerical Methods in Engineering, 113(1), 130-152. https://doi.org/10.1002/nme.5606

There is increasing interest in the Material Point Method (MPM) as a means of modelling solid mechanics problems in which very large deformations occur, e.g. in the study of landslides and metal forming, however some aspects vital to wider use of the... Read More about Imposition of essential boundary conditions in the material point method.

The modelling of soil-tool interaction using the material point method (2017)
Presentation / Conference Contribution
Cortis, M., Coombs, W. M., Augarde, C. E., Robinson, S., Brennan, A., & Brown, M. (2017). The modelling of soil-tool interaction using the material point method. In A. Faramarzi, & S. Dirar (Eds.), Proceedings of the 25th Conference on Computational Mechanics (UKACM 2017) : 11th – 13th April 2017, School of Engineering, University of Birmingham, Birmingham, UK (211-214)

The material point method (MPM) is a numerical tool able to model very large deformations in solid mechanics such as geotechnical problems. To date, soil-tool interaction modelling in the MPM is somewhat difficult, especially when the tool position i... Read More about The modelling of soil-tool interaction using the material point method.

Modelling seabed ploughing using the material point method (2017)
Presentation / Conference Contribution
Cortis, M., Coombs, W., Augarde, C., Robinson, S., Brown, M., & Brennan, A. (2017). Modelling seabed ploughing using the material point method. In A. Rohe, K. Soga, H. Teunissen, & B. Z. Coelho (Eds.), . https://doi.org/10.1016/j.proeng.2017.01.002

Ploughing of the seabed is needed for the installation of cables and pipelines and is an area of construction likely to increase given plans in the UK and elsewhere for offshore marine energy (wind and tidal). Seabed ploughing is an expensive and som... Read More about Modelling seabed ploughing using the material point method.

Improving seabed cable plough performance for offshore renewable energy (2016)
Presentation / Conference Contribution
Robinson, S., Brown, M., Brennan, A., Cortis, M., Augarde, C., & Coombs, W. (2016). Improving seabed cable plough performance for offshore renewable energy. In C. Guedes Soares, (Ed.), Progress in renewable energies offshore : proceedings of the 2nd International Conference on Renewable Energies Offshore (RENEW2016), Lisbon, Portugal, 24-26 October 2016 (1-7). https://doi.org/10.1201/9781315229256

Seabed ploughing plays an important part in providing protection to subsea cables that connect offshore renewables, and the process represents a significant portion of the overall installation cost. Current models for predicting the required tow forc... Read More about Improving seabed cable plough performance for offshore renewable energy.

Implicit essential boundaries in the Material Point Method (2016)
Presentation / Conference Contribution
Cortis, M., Coombs, W., & Augarde, C. (2016). Implicit essential boundaries in the Material Point Method. In Proceedings of the 24th UK Conference of the Association for Computational Mechanics in Engineering, 31 March - 01 April 2016, Cardiff University, Cardiff (116-119)

The Material Point Method (MPM) is a numerical boundary value problem (BVP) solver developed from particle- in-cell (PIC) methods that discretises the continuum into a set of material points. Information at these material points is mapped to a backgr... Read More about Implicit essential boundaries in the Material Point Method.

Finite element modelling of braided fibres subject to large deformations (2015)
Presentation / Conference Contribution
Cortis, M., Kaczmarczyk, L., Pearce, C., Gil, A. J., & Sevilla, R. (2015). Finite element modelling of braided fibres subject to large deformations. In Proceedings of the 23rd Conference on Computational Mechanics, ACME-UK 2015, 8th-10th April 2015, College of Engineering, Swansea University, Wales, UK (405-408)

This paper presents a numerical methodology to model elastic braided fibres. Elastic transversely isotropic material was used due to the anisotropy of the strands. Large deformation finite analysis based on large rotations / small strains total Lagra... Read More about Finite element modelling of braided fibres subject to large deformations.

Computational Modelling of Braided Fibre for Concrete Reinforcement (2014)
Presentation / Conference Contribution
Cortis, M., Kaczmarczyk, L., Pearce, C., Javadi, A., & Hussain, M. S. (2014). Computational Modelling of Braided Fibre for Concrete Reinforcement. In Proceedings of the 22nd UK National Conference of the Association for Computational Mechanics in Engineering, 2nd - 4th April 2014, College of Engineering, Mathematics and Physical Sciences, University of Exeter, UK (189-192)

This paper presents numerical modelling of braided fibre, to be used as concrete reinforcement. Ultimately, a corrosive and fire resistant concrete will be produced. A Cubit script (geometry and mesh software) was created to mesh braided yarns under... Read More about Computational Modelling of Braided Fibre for Concrete Reinforcement.

Multiscale modelling of the textile composite materials (2014)
Presentation / Conference Contribution
Ullah, Z., Kaczmarczyk, Ł., Cortis, M., Pearce, C., Javadi, A., & Hussain, M. S. (2014). Multiscale modelling of the textile composite materials. In Proceedings of the 22nd UK National Conference of the Association for Computational Mechanics in Engineering, 2nd - 4th April 2014, College of Engineering, Mathematics and Physical Sciences, University of Exeter, UK (214-217)

This paper presents an initial computational multiscale modelling of the fibre-reinforced composite materials. This study will constitute an initial building block of the computational framework, developed for the DURCOMP (providing confidence in dur... Read More about Multiscale modelling of the textile composite materials.

Computational modelling and experimental investigation of the bond behaviour between concrete and braided fibre ropes (2013)
Presentation / Conference Contribution
Cortis, M., Kaczmarczyk, L., Pearce, C., & Osman, A. (2013). Computational modelling and experimental investigation of the bond behaviour between concrete and braided fibre ropes. In CM13 : proceedings of the International Conference on Computational Mechanics, 25-27 March 2013, Durham, UK

Achieving a good bond between fibre and concrete is vitally important. This paper describes an initial investigation of the bond behaviour between concrete and braided fibre ropes as a substitute for steel reinforcing bars. Experiments were performed... Read More about Computational modelling and experimental investigation of the bond behaviour between concrete and braided fibre ropes.