Staff profile

Conference Paper

• Bird, R., Pretti, G., Coombs, W. M., Augarde, C. E., Sharif, Y., Brown, M., Carter, G., & Johnson, K. (2023, April). Cone penetration tests (CPTs) in bi-phase soils: A material point approach with rigid body interaction. Paper presented at UK Association for Computational Mechanics 2023 (UKACM 2023), University of Warwick, UK
• Bird, R., Pretti, G., Coombs, W., Augarde, C., Sharif, Y., Brown, M., Carter, G., Macdonald, C., & Johnson, K. (2024, April). Dynamic three-dimensional rigid body interaction with highly deformable solids, a material point approach. Presented at UK Association for Computational Mechanics Conference 2024, Durham, UK
• Sims, B., Bird, R. E., Coombs, W. M., & Giani, S. (2024, April). Immersed traction boundary conditions in phase field fracture modelling. Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK
• Sharif, Y. U., Brown, M. J., Coombs, W. M., Augarde, C. E., Bird, R. E., Carter, G., Macdonald, C., & Johnson, K. R. (2023, September). Characterisation of anchor penetration behaviour for Cable burial risk assessment. Presented at 9th Int. SUT OSIG Conference “Innovative Geotechnologies for Energy Transition”, London, UK
• Sims, B., Bird, R., Giani, S., & Coombs, W. (2023, April). An investigation into the methods for modelling pre-existing cracks in phase field problems. Presented at UKACM 2023, Warwick, UK
• Macdonald, C., Carter, G. D. O., Johnson, K. R., Augarde, C. E., Coombs, W. M., Bird, R. E., Brown, M. J., & Sharif, Y. U. (2023, September). Depth of lowering and layered soils; a case study from across the North Sea. Paper presented at 9th Int. SUT OSIG Conference “Innovative Geotechnologies for Energy Transition”, London, UK
• Gavin, N., Bird, R. E., Coombs, W. M., & Augarde, C. E. (2023, June). An open-source Julia code for geotechnical MPM. Presented at 10th European Conference on Numerical Methods in Geotechnical Engineering, London
• Bird, R., Coombs, W., Augarde, C., Brown, M., Sharif, Y., Carter, G., Johnson, K., & Macdonald, C. (2023, June). Cone Penetration Tests (CPTs) in layered soils: a Material Point approach. Presented at 10th European Conference on Numerical Methods in Geotechnical Engineering, London
• Bird, R., Coombs, W., & Giani, S. (2017, December). A discontinuous Galerkin hp-adaptive finite element method for brittlecrack propagation. Presented at 25th UKACM Conference on Computational Mechanics, Birmingham, UK
• Bird, R., Coombs, W., & Giani, S. (2023, March). Two dimensional configurational-force-driven crack propagation using the discontinuous Galerkin method with rp-adaptivity. Presented at ACME - UK 2016 24th Conference of the Association for Computational Mechanics in Engineering., Cardiff, UK

Conference Proceeding

• (2024, April). UKACM Proceedings 2024. Presented at 2024 UK Association for Computational Mechanics Conference, Durham, UK

Journal Article

• Pretti, G., Bird, R., Gavin, N., Coombs, W., & Augarde, C. (in press). A stable poro-mechanical formulation for Material Point Methods leveraging overlapping meshes and multi-field ghost penalisation. International Journal for Numerical Methods in Engineering,
• Sharif, Y., Brown, M. J., Knappett, J., Davidson, C., Bird, R., Coombs, W., Augarde, C., Carter, G., Macdonald, C., & Johnson, K. (in press). Comparison of 1g and centrifuge modelling of drag embedment anchors with subsurface wireless tracking. International Journal of Physical Modelling in Geotechnics,
• Bird, R., Pretti, G., Coombs, W., Augarde, C., Sharif, Y., Brown, M., Carter, G., Macdonald, C., & Johnson, K. (2024). An implicit material point-to-rigid body contact approach for large deformation soil-structure interaction. Computers and Geotechnics, 174, Article 106646. https://doi.org/10.1016/j.compgeo.2024.106646
• Bird, R. E., Augarde, C. E., Coombs, W. M., Duddu, R., Giani, S., Huynh, P. T., & Sims, B. (2023). An hp-adaptive discontinuous Galerkin method for phase field fracture. Computer Methods in Applied Mechanics and Engineering, 416, Article 116336. https://doi.org/10.1016/j.cma.2023.116336
• Wiltshire, T., Bird, R. E., Coombs, W. M., & Giani, S. (2022). An open source hp-adaptive discontinuous Galerkin finite element solver for linear elasticity. Advances in Engineering Software, 171, https://doi.org/10.1016/j.advengsoft.2022.103147
• Ai, W., Bird, R., Coombs, W., & Augarde, C. (2019). A configurational force driven cracking particle method for modelling crack propagation in 2D. Engineering Analysis with Boundary Elements, 104, 197-208. https://doi.org/10.1016/j.enganabound.2019.03.008
• Bird, R., Coombs, W., & Giani, S. (2019). Accurate Configuration Force Evaluation via hp-adaptive Discontinuous Galerkin Finite Element Analysis. Engineering Fracture Mechanics, 216, Article 106370. https://doi.org/10.1016/j.engfracmech.2019.02.029
• Bird, R., Coombs, W., & Giani, S. (2019). A posteriori discontinuous Galerkin error estimator for linear elasticity. Applied Mathematics and Computation, 344-345, 78-96. https://doi.org/10.1016/j.amc.2018.08.039
• O'Sullivan, S., Bird, R., Coombs, W., & Giani, S. (2019). Rapid non-linear finite element analysis of continuous and discontinuous Galerkin methods in MATLAB. Computers and Mathematics with Applications, 78(9), 3007-3026. https://doi.org/10.1016/j.camwa.2019.03.012
• Bird, R., Coombs, W., & Giani, S. (2018). A quasi-static discontinuous Galerkin configurational force crack propagation method for brittle materials. International Journal for Numerical Methods in Engineering, 113(7), 1061-1080. https://doi.org/10.1002/nme.5699
• Guérin‐Marthe, S., Nielsen, S., Bird, R., Giani, S., & Di Toro, G. (2018). Earthquake Nucleation Size: Evidence of Loading Rate Dependence in Laboratory Faults. Journal of Geophysical Research. Solid Earth, 124(1), 689-708. https://doi.org/10.1029/2018jb016803
• Bird, R., Coombs, W., & Giani, S. (2017). Fast native-MATLAB stiffness assembly for SIPG linear elasticity. Computers and Mathematics with Applications, 74(12), 3209-3230. https://doi.org/10.1016/j.camwa.2017.08.022

Report

• Johnson, K. R., Carter, G., & Macdonald, C. (2024). Layered soils in the shallow subsurface (