Abstract
Recently, approximate adjoint sensitivity techniques with structured-grid electromagnetic solvers have been proposed. In this letter, we propose a central adjoint sensitivity formula for response sensitivity with structured-grid solvers, whose accuracy is an order higher than that of the preceding techniques. The formula is derived from a backward problem, which is considered here for the first time, and the forward problem utilized in the previous techniques. Our technique maintains the computational efficiency typical for adjoint-based methods. We illustrate it through applications with a frequency-domain transmission line method solver.
| Original language | English |
|---|---|
| Pages (from-to) | 1969-1971 |
| Number of pages | 3 |
| Journal | IEEE Transactions on Magnetics |
| Volume | 40 |
| Issue number | 4 I |
| DOIs | |
| State | Published - Jul 2004 |
| Externally published | Yes |
Keywords
- Adjoint variable methods
- Frequency-domain analysis
- Sensitivity
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
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