Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 5 of 5 for “"tree-cotree splitting"”.
-
Accurate, efficient, and stable domain decomposition methods for analysis of electromechanical problems
… the computation time significantly. Second, the tree-cotree splitting (TCS) method is adopted to deal with the low-frequency breakdown problem, which often accompanies the finite-element analysis of electromechanical problems. Third, higher-order hierarchical basis functions are implemented to …
-
Application of the time-domain finite-element method to analysis of 3D electric machine problems
… system matrix condition are analyzed. Also, the tree-cotree splitting (TCS) technique is applied to solve low-frequency problems. Several examples are simulated and corresponding results are shown to demonstrate the performance of the algorithms. Finally, the model of nonlinear machine problems …
-
Efficient Finite Element Electromagnetic Analysis for High-Frequency/High-Speed Circuits And Multiconductor Transmission Lines
… the 3-D full-wave finite element simulation. The tree-cotree splitting is combined with several other techniques to improve the matrix conditioning and extend full-wave solutions down to very low frequencies for a more robust broadband characterization of high-speed digital circuits. (4) A …
-
Finite element analysis of 3D electric machine problems
… is to regularize the singular matrix with tree-cotree splitting. An algorithm of finding the minimum spanning tree is given. The two solutions have different effects on the convergence of iterative solvers, which is important to the efficiency of the simulation tool. Besides, the …
-
Incorporation of feed-network and circuit modeling into the time-domain finite element analysis of antenna arrays and microwave circuits
… field-circuit solver include application of the tree-cotree splitting algorithm and introduction of a flexible time-stepping scheme. Various numerical examples are presented to validate the implementation and demonstrate the accuracy, efficiency, and applications of the proposed numerical …