Model files / Finite element method

3-D H-formulation for superconducting wires and the Gmsh cohomology solver

This model was shared by C. Geuzaine, University of Liège.

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3D COMSOL model for CORC cables

This model was shared by Sofia Viarengo, Politecnico di Torino. The model is a full 3D CORC cable: the T-A formulation has been coupled to a thermal module. The model is time-dependent and calculates current density, field distribution, and temperature in the superconductor in presenc …

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Alternative to the H-formulation for critical state simulation in HTS materials

This model was shared by Dong Keun Oh, Korea Institute of Fusion Energy. This model is developed as an attempt of static H-formulation to substitute for the magnetic formulation (A-formulation) of “the self-consistent static critical current model” which has been recognized as an effi …

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COMSOL implementation of the H-ϕ formulation with thin cuts for modeling superconductors with transport currents

These models were shared by Alexandre Arsenault, Polytechnique Montréal, Montréal. These two models use thin cuts with the H-phi formulation in COMSOL Multiphysics 5.5 to efficiently model transport currents in superconducting materials. The magnetic scalar potential is set to be disc …

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Modeling of HTS bulks surrounded by magnetic components using the H–φ formulation

These models were shared by Alexandre Arsenault, Polytechnique Montréal, Montréal. These two models use the reduced H-phi formulation to efficiently simulate the magnetic field of a superconducting bulk surrounded by magnetic components. The magnetic field is separated into a source a …

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A-V formulation for numerical modelling of superconductor magnetization in true 3-D geometry

This model was shared by Mykola Soloviov, Institute of Electrical Engineering, Slovak Academy of Sciences. Model file of superconducting cup magnetization in the diagonally oriented external AC magnetic field. The model was saved in the Comsol v. 5.4 without generated mesh and solutio …

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Coupled A-H formulation for magneto-thermal transients in HTS magnets

These models were shared by shared by Lorenzo Bortot, CERN. The two models implement a coupled A-H field formulation in FEM, solving for H in the superconducting tapes, and for A elsewhere. The tapes are represented either by means of 2D domains or 1D thin-shells. For the second case, …

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New benchmark problem for electromagnetic modelling of superconductors: the high-Tc superconducting dynamo

The high-Tc superconducting (HTS) dynamo has recently been proposed as a new benchmark problem for the HTS modelling community. The benchmark geometry consists of a permanent magnet rotating past a stationary HTS wire in the open-circuit configuration and assumes for simplicity the 2D …

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H-ϕ formulation in COMSOL Multiphysics for simulating the magnetization of bulk superconductors and comparison with the H-formulation

These models use the H-phi formulation to efficiently calculate the magnetic field produced by a superconducting bulk magnetized by zero field cooling in a uniform magnetic field. The models are created in COMSOL Multiphysics 4.3b and COMSOL Multiphysics 5.5 in order to be more access …

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ANSYS APDL codes for modelling the critical state magnetization current in REBCO tape stacks with a large number of turns using the A-V formulation

An iterative algorithm method, based on ANSYS A–V formulation, is developed to simulate the critical state magnetization current Jc(B,θ) in ReBCO tape stacks during the field-cooling magnetization. The computation speed is quite fast because the eddy current is not computed in non-sup …

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