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Experimental and computational evaluation of a vibratory finishing process
Title
Experimental and computational evaluation of a vibratory finishing process
Author
Navare, Jayesh
Date Created
2017
Subjects--Topical
Mechanical engineering
Description
Vibratory finishing is among the widely recognized mass finishing techniques which is used for cleaning, deburring, edge rounding, polishing, and creating an isotropic surface finish on metal parts that have undergone previous machining operations...
From Nonradiating Sources to Directionally Invisible Objects
Title
From Nonradiating Sources to Directionally Invisible Objects
Author
Hurwitz, Elisa
Date Created
2017
Subjects--Topical
Optics, Physics
Description
The goal of this dissertation is to extend the understanding of invisible objects, in particular nonradiating sources and directional nonscattering scatterers. First, variations of null-field nonradiating sources are derived from Maxwell's equatio...
MID-SPATIAL FREQUENCY CHARACTERIZATION AND SPECIFICATION FOR FREEFORM SURFACES USING ZERNIKE POLYNOMIALS
Title
MID-SPATIAL FREQUENCY CHARACTERIZATION AND SPECIFICATION FOR FREEFORM SURFACES USING ZERNIKE POLYNOMIALS
Author
Hosseinimakarem, Zahra
Date Created
2017
Subjects--Topical
Optics, Engineering
Description
Mid-spatial frequency on freeform optical elements induces small-angle scatter and affects the optical performance. Fabrication techniques involved in making freeform surfaces leave tooling marks on the surface due to the sub-aperture nature of th...