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Hierarchical multilevel potential preconditioner for fast finite-element analysis of microwave devices

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2 Author(s)
Yu Zhu ; Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA ; Cangellaris, A.C.

A robust hierarchical multilevel preconditioning technique is presented for the fast finite-element analysis of microwave devices. The proposed preconditioner is based on a hierarchical multilevel scheme for the vector-scalar potential finite-element formulation of electromagnetic problems. Numerical experiments from the application of the new preconditioner to the finite-element analysis of microwave devices are used to demonstrate its superior numerical convergence and efficient memory usage.

Published in:

Microwave Theory and Techniques, IEEE Transactions on  (Volume:50 ,  Issue: 8 )