Field Feedback Computation of Scattering by 2-D Penetrable Objects
Morgan, Michael A.
Welch, Thaddeus B.
MetadataShow full item record
The field feedback formulation is applied to the solution of time-harmonic plane wave scattering by 2-D penetrable objects of arbitrary shape and composition. A conformal mesh, finite element algorithm is employed in the forward operator construction while a near-field Green’s function integration is used in forming the feedback operator. Scattering validations for midresonance sized objects include a circular cylinder, a two-region bisected cylinder, a half-circular cylinder, a semicircular shell and a thin lossy planar strip.
Showing items related by title, author, creator and subject.
Baynes, Alexander B. (Monterey, CA; Naval Postgraduate School, 2018-06);This dissertation considers the two-dimensional problem of the scattering of a monochromatic cylindrical wave by an infinite cylinder embedded in a homogeneous fluid. The exact solution is expressed as an infinite series ...
Baynes, Alexander B.; Godin, Oleg A. (2017);Rayleigh scattering, in which the wavelength is large compared to the scattering object, is usually studied assuming plane incident waves. However, full Green?? functions are required in a number of problems, e.g., when a ...
Baynes, Alexander B.; Godin, Oleg A. (2018);Wave scattering by obstacles is typically studied assuming plane wave incidence. However, full Green?? functions are necessary for problems where the separation of the scatterer from sources, interfaces, or other scatterers ...