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Chris has a long-standing interest in the development of efficient computational methods for solving plastic collapse problems in geotechnical engineering (e.g. bearing capacity of foundations; stability of excavations and slopes). He has particular expertise in finite element limit analysis (FELA), and has developed a FELA package called OxLim that leverages the power of specialist conic optimization software (MOSEK) and open-source mesh generation codes (Triangle, TetGen) to obtain accurate plastic collapse loads at a fraction of the cost of conventional incrementaliterative finite element analysis. This work has been supported by EPSRC and by industrial sponsors including Subsea 7 (offshore mudmat and suction caisson foundations under complex 3D loading) and Atkins (monopile foundations for offshore wind turbines). Through a recent collaboration with TU Wien, he has also been involved in the application of FELA to wood at various scales of observation.
He has a strong interest in pipeline geotechnics, particularly pipe/soil interaction (PSI), for both buried and surface-laid pipelines. As a consultant for the SAFEBUCK Joint Industry Project (2006-2013), Chris developed and implemented efficient new models for simulating PSI during thermally-induced lateral buckling of subsea pipelines. A current project, sponsored by EPSRC and Crondall Energy Subsea, is exploring the use of numerical tools such as large-deformation finite element analysis (with Abaqus CEL) and sequential limit analysis (with OxLim) to achieve realistic modelling of PSI during cyclic lateral buckling, incorporating the
complex 3D effects that arise from buckle initiation devices such as sleepers and buoyancy modules. He has also been involved in laboratory-based studies of buried pipeline behaviour for industrial partners including KW Limited and Technip.
He has a strong interest in pipeline geotechnics, particularly pipe/soil interaction (PSI), for both buried and surface-laid pipelines. As a consultant for the SAFEBUCK Joint Industry Project (2006-2013), Chris developed and implemented efficient new models for simulating PSI during thermally-induced lateral buckling of subsea pipelines. A current project, sponsored by EPSRC and Crondall Energy Subsea, is exploring the use of numerical tools such as large-deformation finite element analysis (with Abaqus CEL) and sequential limit analysis (with OxLim) to achieve realistic modelling of PSI during cyclic lateral buckling, incorporating the
complex 3D effects that arise from buckle initiation devices such as sleepers and buoyancy modules. He has also been involved in laboratory-based studies of buried pipeline behaviour for industrial partners including KW Limited and Technip.
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Challenges and Innovations in GeomechanicsLecture Notes in Civil Engineeringpp.156-163, (2021)
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