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UK funding (£349,005): MCSIMus: Monte Carlo Simulation with Inline Multiphysics Ukri1 Apr 2023 UK Research and Innovation, United Kingdom
Overview
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MCSIMus: Monte Carlo Simulation with Inline Multiphysics
| Abstract | Nuclear reactors in various forms are increasingly prominent in the context of net zero. However, stringent safety standards and advanced reactor designs necessitate ever-greater certainty and understanding in reactor physics and operation. As physical experimentation becomes more expensive, nuclear engineering relies increasingly on high-fidelity simulation of reactors. Traditionally, resolving different physical phenomena in a reactor (such as neutron transport or thermal-hydraulics) proceeded by assuming only a weak dependence upon other phenomena due to limits on computational power. Such approximations were allowable when additional conservatisms were included in reactor designs. However, more economical or sophisticated reactor designs render such approximations invalid, and reactor designers must be able to resolve the interplay between each physical phenomenon. This poses a challenge to reactor physicists due to vastly increased computational costs of multi-physics calculations, as well as the risks of numerical instabilities - these are essentially non-physical behaviours which are purely an artefact of simulation. This proposal aims to provide the basis of new computational approaches in nuclear engineering which are both substantially cheaper and more stable than present multi-physics approaches. Traditional methods tend to have one tool fully resolve one phenomenon, pass the information to another tool which resolves a second phenomenon, and then pass this updated information back to the first tool and repeat until (hopefully) the results converge. This proposal hopes to explore a slightly simpler approach, where information is exchanged between different solvers before each has fully resolved its own physics, extending this to many of the phenomena of interest to a reactor designer. Preliminary analysis suggests that this approach should be vastly more stable and computationally efficient than previous methods. The investigations will be carried out using home-grown numerical tools developed at the University of Cambridge which are designed for rapid prototyping of new ideas and algorithms. The final result is anticipated to transform the nuclear industry's approach to multi-physics calculations and greatly accelerate our ability to explore and design more advanced nuclear reactors. |
| Category | Fellowship |
| Reference | EP/W037165/1 |
| Status | Active |
| Funded period start | 01/04/2023 |
| Funded period end | 31/03/2026 |
| Funded value | £349,005.00 |
| Source | https://gtr.ukri.org/projects?ref=EP%2FW037165%2F1 |
Participating Organisations
| University of Cambridge | |
| Argonne National Laboratory | |
| University of Michigan | |
| EDF Energy Plc (UK) | |
| Georgia Institute of Technology | |
| United Kingdom Atomic Energy Authority | |
| Jacobs (UK) | |
| University of Liverpool | |
| Imperial College London | |
| AWE plc |
The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: University of Cambridge, Cambridge.
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