In our joint work with University of Rome “Tor Vergata” Reshaping the Tokamak TF Coil of DEMO with high fidelity multi physics CAE and advanced mesh morphing Corrado Groth researcher in Machine Design will show the optimisation strategy adopted for the TF coils of the ADCs, searching for the best compromise between electromagnetic (EM) and structural compliances based on mesh morphing enabled by the tool RBF Morph.

Energy Session Information: Wednesday, November 17, 2021: Reshaping the Tokamak TF Coil of DEMO with high fidelity multi physics CAE and advanced mesh morphing with C. Groth.

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Abstract

The DEMO Tokamak represents a major challenge under the technical and technological points of view. It is evident that such a race can be won only with an effort up to the challenge at each step of the roadmap, starting with the design stage. This entails the deployment of the most effective design tools available in the CAE environment. This paper shows the optimisation strategy adopted for the TF coils of the ADCs, searching for the best compromise between electromagnetic (EM) and structural compliances. A continuous transformation, based on mesh morphing enabled by the tool RBFMorph, turns the baseline FE model into its bending-free counterpart, with a series of intermediate configurations available for EM and structural investigations as output. A candidate coil is determined for each configuration as the one experiencing an acceptable stress level. Static membrane stress levels during magnetization could be reduced significantly from more than 700 MPa to below 450 MPa.

This work is now available on EnginSoft Newsletter Year 18 n 3°Autumn 2021.

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