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Professor Charles Augarde's Outputs (15)

Mechanical properties of biopolymer-stabilised soil-based construction materials (2017)
Journal Article
Muguda, S., Booth, S. J., Hughes, P. N., Augarde, C. E., Perlot, C., Bruno, A. W., & Gallipoli, D. (2017). Mechanical properties of biopolymer-stabilised soil-based construction materials. Géotechnique Letters, 7(4), 309-314. https://doi.org/10.1680/jgele.17.00081

Soil-based construction materials are of interest as structural building materials due to their green credentials, as well as being present in many historical structures. For effective conservation of the latter, and to motivate greater uptake for ne... Read More about Mechanical properties of biopolymer-stabilised soil-based construction materials.

CPT-based design procedure for installation torque prediction for screw piles installed in sand (2017)
Presentation / Conference Contribution
Al-Baghdadi, T., Brown, M., Davidson, C., Knappett, J., Brennan, A., Wang, L., …Blake, A. (2017). CPT-based design procedure for installation torque prediction for screw piles installed in sand. 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 (346-353)

Screw piles (helical piles) have been used widely as foundations for onshore projects due to their ability to provide high compressive and tensile resistance as well as reduced noise/vibration during installation. These types of piles have been propo... Read More about CPT-based design procedure for installation torque prediction for screw piles installed in sand.

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.

iGIMP: An implicit generalised interpolation material point method for large deformations (2017)
Journal Article
Charlton, T., Coombs, W., & Augarde, C. (2017). iGIMP: An implicit generalised interpolation material point method for large deformations. Computers and Structures, 190, 108-125. https://doi.org/10.1016/j.compstruc.2017.05.004

The Material Point Method (MPM) uses a combined Eulerian-Lagrangian approach to solve problems involving large deformations. A problem domain is discretised as material points which are advected on a background grid. Problems are encountered with the... Read More about iGIMP: An implicit generalised interpolation material point method for large deformations.

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.

On the implementation of gradient plasticity with the material point method (2017)
Presentation / Conference Contribution
Charlton, T. J., Coombs, W. M., & Augarde, C. E. (2017). On the implementation of gradient plasticity with 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 (240-243)

The Material Point Method (MPM) is a computational method which allows solid mechanics problems to be modelled using material points which move through a fixed background grid. State variables are stored at these material points and tracked throughou... Read More about On the implementation of gradient plasticity with the material point method.

An implicit implementation of non-ordinary state-based peridynamics (2017)
Presentation / Conference Contribution
Hashim, N., Coombs, W., Hattori, G., & Augarde, C. (2017). An implicit implementation of non-ordinary state-based peridynamics. 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 (134-137)

Peridynamics is a non-local continuum theory that was introduced by Silling. Its key advantage is its use of integral equation forms of the underlying physics, as compared to the partial differential equations in, say the finite element method and th... Read More about An implicit implementation of non-ordinary state-based peridynamics.

Implicit MPM with second-order convected particle domain interpolation (2017)
Presentation / Conference Contribution
Wang, L., Coombs, W., Augarde, C., & Brown, M. (2017). Implicit MPM with second-order convected particle domain interpolation. 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 (264-267)

An implicit material point method (MPM) with the second-order convected particle interpolation (CPDI2) is presented in this paper. In the MPM a body is described by a number of Lagrangian material points, at which state variables are stored and track... Read More about Implicit MPM with second-order convected particle domain interpolation.

Energy dissipation in granular materials in triaxial tests (2017)
Presentation / Conference Contribution
Mukwiri, R., Ghaffari Motlagh, Y., Coombs, W., & Augarde, C. (2017). Energy dissipation in granular materials in triaxial tests. 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 (191-194)

The triaxial test is used in a laboratory to investigate the behaviour of geotechnical materials (e.g. clays and sands). The difficulty in measuring some properties of granular media such as energy changes throughout the test have motivated the curre... Read More about Energy dissipation in granular materials in triaxial tests.

Modelling screwpile installation using the MPM (2017)
Presentation / Conference Contribution
Wang, L., Coombs, W., Augarde, C., Brown, M., Knappett, J., Brennan, A., …Blake, A. (2017). Modelling screwpile installation using the MPM. Procedia engineering, 175, 124-132. https://doi.org/10.1016/j.proeng.2017.01.040

Screwpiles are, as the name suggests, piled foundations which are screwed into the ground. They provide restraint to both upwards and downward loading directions and are commonly used for light structures subject to overturning or wind loading, such... Read More about Modelling screwpile installation using the MPM.

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.

Gradient elasto-plasticity with the generalised interpolation material point method (2017)
Presentation / Conference Contribution
Charlton, T., Coombs, W., & Augarde, C. (2017). Gradient elasto-plasticity with the generalised interpolation material point method. Procedia engineering, 175, 110-115. https://doi.org/10.1016/j.proeng.2017.01.036

The modelling of geomechanics problems can require a method that allows large deformations and non-linear material behaviour, in this respect the Generalised Material Point Method (GIMPM) is ideal. A fully implicit version of GIMPM has recently been... Read More about Gradient elasto-plasticity with the generalised interpolation material point method.