Verification and Time Performance Analysis of COMSOL v3.5a for Solving the Electromagnetic Problem in a Superconductor SlabJ. Lloberas, J. López, E. Bartolomé, and X. Granados
Universitat Politècnica de Catalunya, Barcelona, Spain
Escola Universitària Salesiana de Sarrià, Barcelona, Spain
Institut de Ciència de Materials de Barcelona, Barcelona, Spain
Numerical analysis based on finite element method (FEM) represents a powerful approach to solve electromagnetic problems. For instance, FEM methods have been broadly used to calculate the critical state current distribution in high temperature superconductors of various geometries. In the near future, we intend to develop a tool in COMSOL v3.5a for the analysis of power applications, such as motors and generators. To get an insight into the problem, we have first used COMSOL to obtain the electromagnetic solution for a simple superconducting geometry, a rectangular infinite slab, for which analytical and numerical solutions are documented. We discuss the verification of the method, and computing times obtained using different mesh densities and element polynomial shape functions.
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