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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ningning Chen Ho, S.L. Fu, W.N. |
| Copyright Year | 1965 |
| Abstract | A two-grid finite-element method to reduce the computing time of nonlinear magnetic problems is presented. It is shown that the initial solution of the nonlinear iteration on the fine grid can be derived from the solutions of the coarse grid, thereby saving the computation time for iterations on the fine grid. A numerical technique based on the nonlinear functional is proposed to reduce the complexity of the discretization of the nonlinear term. The interpolation method from coarse grid to fine grid is discussed in this paper. A method to optimize the relaxation factor of Newton-Raphson iteration is also reported. The proposed method is applied to TEAM Workshop problem 13, and the results obtained by using the proposed algorithm are compared with those by using conventional methods. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 4797 |
| Ending Page | 4800 |
| Page Count | 4 |
| File Size | 349766 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 45 |
| Issue Number | 10 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-10-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Finite element methods Nonlinear equations Maxwell equations Magnetic flux Magnetostatics Magnetic fields Magnetic materials Magnetic domains Nonlinear magnetics Interpolation two-grid method Finite-element method (FEM) magnetic field nonlinear |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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