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An analytical model of slotless PM motor with segmented magnets is presented. The Ampere's approach is adopted for the modeling of permanent magnets and separation variables method is used to calculate magnetic field in all magnetic air-gap of the motor. The model considers parallel magnetized magnet segments by the introduction of volume current densities inside the magnet regions as well as surface...
The authors present a new efficient node's numbering method for minimizing the bandwidth and the profile of the stiffness matrix for Cholesky's solving of triangular finite element problems. This method is applied for renumbering the mesh nodes. It is suitable for movement consideration in electrical machines modelling using the moving band method. This method has a simple formulation and is easy...
We present a new accurate node's numbering method for minimizing the bandwidth and the skyline vector for a Cholesky's solving of triangular finite element problems
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