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The isoparametric finite element method is used to calculate the three-dimensional electric field of a tank-type circuit breaker and the large sparse matrix equation is solved using the ICCG (incomplete Cholesky-conjugate gradient) algorithm. The pointer addressing of the coefficient matrix is studied and a new data structure is adopted. The calculations show that the ICCG method can solve large sparse matrix equations effectively. Graph processing techniques on the display of three-dimensional meshes are also studied and a rapid hidden eliminating algorithm is taken to display the mesh graph of the nozzle and chamber. The effects of the nozzle on the electric field are studied.
Power System Technology, 2002. Proceedings. PowerCon 2002. International Conference on (Volume:4 )
Date of Conference: 2002