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Capacitance extraction is one of the key issues in integrated circuits and also a typical electrostatic problem.The dual discrete geometric method(DGM) is investigated to provide relative solutions in two-dimensional unstructured mesh space.The energy complementary characteristic and quick field energy computation thereof based on it are emphasized.Contrastive analysis between the dual finite element methods and the dual DGMs are presented both from theoretical derivation and through case studies.The DGM,taking the scalar potential as unknown on dual interlocked meshes,with simple form and good accuracy,is expected to be one of the mainstreaming methods in associated areas.
Capacitance extraction is one of the key issues in integrated circuits and also a typical electrostatic problem. The dual discrete geometric method (DGM) is investigated to provide relative solutions in two-dimensional unstructured mesh space. The energy complementary characteristic and quick field energy computations based on it are emphasized. Constrained analysis between the dual finite element methods and the dual DGMs are presented both from theoretical derivation and through case studies. DGM, taking the scalar potential as unknown on dual interlocked meshes, with simple form and good accuracy, is expected to be one of the mainstreaming methods in associated areas.