AMPLE: A Material Point Learning Environment
(2019)
Presentation / Conference Contribution
Coombs, W., Augarde, C., Bing, Y., Charlton, T., Cortis, M., Ghaffari Motlagh, Y., & Wang, L. (2019, December). AMPLE: A Material Point Learning Environment. Paper presented at Second International Conference on the Material Point Method for Modelling Soil-Water-Structure Interaction, Cambridge, UK
Outputs (13)
On Lagrangian mechanics and the implicit material point method for large deformation elasto-plasticity (2019)
Journal Article
Coombs, W., Augarde, C., Brennan, A., Brown, M., Charlton, T., Knappett, J., Ghaffari Motlagh, Y., & Wang, L. (2020). On Lagrangian mechanics and the implicit material point method for large deformation elasto-plasticity. Computer Methods in Applied Mechanics and Engineering, 358, Article 112622. https://doi.org/10.1016/j.cma.2019.112622The material point method is ideally suited to modelling problems involving large deformations where conventional mesh-based methods would struggle. However, total and updated Lagrangian approaches are unsuitable and non-ideal, respectively, in terms... Read More about On Lagrangian mechanics and the implicit material point method for large deformation elasto-plasticity.
On the use of domain-based material point methods for problems involving large distortion (2019)
Journal Article
Wang, L., Coombs, W., Augarde, C., Cortis, M., Charlton, T., Brown, M., Knappett, J., Brennan, A., Davidson, C., Richards, D., & Blake, A. (2019). On the use of domain-based material point methods for problems involving large distortion. Computer Methods in Applied Mechanics and Engineering, 355, 1003-1025. https://doi.org/10.1016/j.cma.2019.07.011Challenging solid mechanics problems exist in areas such as geotechnical and biomedical engineering which require numerical methods that can cope with very large deformations, both stretches and torsion. One candidate for these problems is the Materi... Read More about On the use of domain-based material point methods for problems involving large distortion.
On the issues associated with applying traditional Lagrangian mechanics to the material point method (2019)
Presentation / Conference Contribution
Coombs, W., Augarde, C., Brennan, A., Brown, M., Charlton, T., Knappett, J., Ghaffari Motlagh, Y., & Wang, L. (2019, December). On the issues associated with applying traditional Lagrangian mechanics to the material point method. Presented at Second International Conference on the Material Point Method for Modelling Soil-Water-Structure Interaction, Cambridge, United Kingdom
On Implementation Aspects of Implicit MPM for 3D Analysis (2019)
Presentation / Conference Contribution
Wang, L., Cortis, M., Coombs, W., Augarde, C., Brown, M., Knappett, J., Brennan, A., Davidson, C., Richards, D., & Blake, A. (2019, December). On Implementation Aspects of Implicit MPM for 3D Analysis. Presented at Second International Conference on the Material Point Method for Modelling Soil-Water-Structure Interaction, Cambridge, United Kingdom
On the Use of Advanced Material Point Methods for Problems Involving Large Rotational Deformation (2018)
Presentation / Conference Contribution
Wang, L., Coombs, W., & Augarde, C. (2018, July). On the Use of Advanced Material Point Methods for Problems Involving Large Rotational Deformation. Paper presented at 13th World Congress on Computational Mechanics / 2nd Pan American Congress on Computational Mechanics (WCCM 2018), New York, USAThe Material Point Method (MPM) is a quasi Eulerian-Lagrangian approach to solve solid mechanics problems involving large deformations. The standard MPM discretises the physical domain using material points which are advected through a standard finit... Read More about On the Use of Advanced Material Point Methods for Problems Involving Large Rotational Deformation.
Centrifuge modelling of screw piles for offshore wind energy foundations (2018)
Presentation / Conference Contribution
Davidson, C., Al-Baghdadi, T., Brown, M., Knappett, J., Brennan, A., Augarde, C., Wang, L., Coombs, W., Richards, D., Blake, A., & Ball, J. (2018, July). Centrifuge modelling of screw piles for offshore wind energy foundations. Presented at 9th International Conference on Physical Modelling in Geotechnics (ICPMG 2018), London, UKScrew piles (helical piles) can provide a viable, cost-effective and low-noise installation alternative to increasing the size of existing foundation solutions (e.g. monopiles) to meet the demand for the advancement of offshore wind energy into deepe... Read More about Centrifuge modelling of screw piles for offshore wind energy foundations.
On the use of the material point method to model problems involving large rotational deformation (2018)
Presentation / Conference Contribution
Wang, L., Coombs, W. M., Augarde, C. E., Brown, M. J., Knappett, J., Brennan, A., Davidson, C., Richards, D., & Blake, A. (2018, June). On the use of the material point method to model problems involving large rotational deformation. Presented at NUMGE 2018: 9th European Conference on Numerical Methods in Geotechnical Engineering, Porto, Portugal
A modified CPT based installation torque prediction for large screw piles in sand (2018)
Presentation / Conference Contribution
Davidson, C., Al-Baghdadi, T., Brown, M., Knappett, J., Brennan, A., Augarde, C., Coombs, W., Wang, L., Richards, D., Blake, A., & Ball, J. (2018, June). A modified CPT based installation torque prediction for large screw piles in sand. Presented at Cone Penetration Testing 2018, Delft, NetherlandsScrew piles have been suggested as an alternative foundation solution to straight-shafted piles for jacket supported offshore wind turbines in deep water. The significant environmental loads in the marine environment will require substantially larger... Read More about A modified CPT based installation torque prediction for large screw piles in sand.
On the use of advanced material point methods for problems involving large rotational deformation (2018)
Presentation / Conference Contribution
Wang, L., Coombs, W., & Augarde, C. (2018, June). On the use of advanced material point methods for problems involving large rotational deformation. Paper presented at 6th European Conference on Computational Mechanics and 7th European Conference on Computational Fluid Dynamics, Glasgow, UKThe Material Point Method (MPM) is a quasi Eulerian-Lagrangian approach to solve solid mechanics problems involving large deformations. The standard MPM [1] discretises the physical domain using material points which are advected through a standard f... Read More about On the use of advanced material point methods for problems involving large rotational deformation.
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., Coombs, W., Augarde, C., Richards, D., & Blake, A. (2017, September). CPT-based design procedure for installation torque prediction for screw piles installed in sand. Presented at 8th International Conference on Offshore Site Investigation & Geotechnics (SUT OSIG), LondonScrew 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.
Implicit MPM with second-order convected particle domain interpolation (2017)
Presentation / Conference Contribution
Wang, L., Coombs, W., Augarde, C., & Brown, M. (2017, April). Implicit MPM with second-order convected particle domain interpolation. Presented at 25th Conference on Computational Mechanics UKACM 2017., Birmingham, UKAn 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.
Modelling screwpile installation using the MPM (2017)
Presentation / Conference Contribution
Wang, L., Coombs, W., Augarde, C., Brown, M., Knappett, J., Brennan, A., Richards, D., & Blake, A. Modelling screwpile installation using the MPM. Presented at 1st International Conference on the Material Point Method (MPM 2017), Delft, NetherlandsScrewpiles 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.