Towards a fusion component digital twin-virtual test and monitoring of components in CHIMERA by systems simulation

•Systems simulation used for fast-running multiphysics models of fusion components.•CHIMERA provides a platform to validate different simulation approaches.•Thermal, fluid and EM loads of a CHIMERA sample have been coupled together.•In future models’ additional physics will be added, and ran probabilistically.Critical to the successful design of fusion reactor components is the development of coupled simulation models, capable of conducting efficient whole system design optimisation and virtual component qualification, under conditions which cannot be readily tested. Additionally, successful lifetime monitoring and predictive maintenance of fusion components through diagnostic measurements will be limited due to restricted accessibility and operation in a harsh environment. There is therefore a need for a component digital twin, which combines data from the physical instrumentation with simulation to provide abundant virtual diagnostics in real-time.