Coursebooks

Summer School on Numerical Modelling for Applied Superconductivity

CS-803

Lecturer(s) :

Dutoit Bertrand

Language:

English

Frequency

Only this year

Remark

Next time: June 7th - 11th 2021 - Registration via https://www.epfl.ch/labs/appliedsc/school/ only

Summary

The program of the School aims al providing the students with the main concepts and methodologies for developing a numerical model of superconducting devices. The students will learn numerical modelling techniques for different physical aspects of superconducting applications and have practice.

Content

Day 1 Mark Ainslie (University of Cambridge, UK) -From materials to applications
-Numerical modelling of applications: state of the art and open challenges
Day 1 Bernardo Bordini (CERN, Switzerland) -Introduction to superconductor modelling ·

-    Critical state model, power law and other E-J laws
Computer exercise
-    Identification of parameters of a Jc(B, T, ) parameterization starting from experimental data.

Day 1 Students -Flash presentation of their posters

Day 2 Cristophe Geuzaine (University of Liège, Belgium, TBC) -Numerical methods Computer exercise

-    Mesh, basis functions for FEM (nodal, edge).
-    Solving 1-D problems with FEM.

Day 2 Satoshi Awaji (Tohoku University, Japan) -Introduction to high field magnets
Computer exercise
-Design of a high field magne! with prescribed field intensity, bore diameter and field quality

Day 3 Luca Bottura (CERN, Geneva, Switzerland) -Electrothermal studies of L TS: conductors, stability, quench protection Computer exercise

-    Calculation of stability margin of a cable.
-    Calculation of quench initiation and propagation.
-    Calculation of magnet dump.

Day 3 Marco Breschi (University of Bologna, ltaly) -Electrothermal studies of HTS: local dissipation issues, quench in HTS Computer exercise

-    Calculation of minimum quench energy of an HTS tape.
-    Calculation of quench propagation in a coil.
-    Comparison between analytical formulae and numerical results.

Day 4 Thierry Schild (ITER 1/0, Cadarache, France, TBC) -Design principles for high field MRI magnets
Computer exercise
-Example of design of a high field magne! for MRI.
Day 4 Francesco Grilli (Karlsruhe lnstitute of Technology, Germany) -AC losses and field homogeneity in HTS coils: shielding currents Computer exercise

-    Calculation of the current/field distributions of a coil through an excitation cycle.
-    Calculation of the AC loss of an HTS tape and comparison with analytical results.
-    Comparison of the AC loss between non-striated and striated 2G tapes.

Day 5 Daniela Boso (University of Padova, ltaly, TBC) -Mechanics generalities (elasticity, stress-strain in composite, thermal
shrinking, ... )
Day 5 Thibault Lecrevisse (Atomic Energy and Alternative Energies Commission, France, Saclay, TBC) Specificities of mechanics in high field magnets
Computer exercise
-Example of calculation of stress and strain in a high field magne!.

 

Note

Mark Ainslie; Bernardo Bordini; Cristophe Geuzaine; Satoshi Awaji; Luca Bottura; Marco Breschi; Thierry Schild; Frë

Keywords

Applied Superconductivity, Numerical modelling, High magnetic field, Hybrid magnet

Resources

Bibliography

https://www.epfl.ch/labs/appliedsc/schooV