NDLI: Analytical Adjoint Sensitivity Formula for the Scattering Parameters of Metallic Structures

Content Provider	IEEE Xplore Digital Library
Author	Dadash, M.S. Nikolova, N.K. Bandler, J.W.
Copyright Year	1963
Abstract	A novel sensitivity-analysis method is proposed to compute the S-parameter Jacobian with respect to metallic shape parameters. The formulation is analytical and is derived from Maxwell's equations directly. It is independent of the field solution method and the respective system matrix. It requires only the field solution on the object surface. The computation is a post-process and its overhead is negligible in comparison with a full-wave simulation. The method provides exact sensitivities. It is validated by the sensitivity analysis of microwave structures where the field solution is provided by commercial solvers based on the finite-element method, the method of moments, and the finite-difference time-domain method.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	2713
Ending Page	2722
Page Count	10
File Size	2127200
File Format	PDF
ISSN	00189480
Volume Number	60
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sensitivity Shape Transmission line matrix methods Permittivity Dielectrics Vectors Mathematical model sensitivity analysis Adjoint-variable method computer-aided design (CAD) finite-difference method finite-difference time-domain (FDTD) method finite-element method (FEM) method of moments (MoM) response Jacobians
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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