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Acoustical scattering by multilayer spherical elastic scatterer containing electrorheological layer
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10.1121/1.3500687
/content/asa/journal/jasa/129/1/10.1121/1.3500687
http://aip.metastore.ingenta.com/content/asa/journal/jasa/129/1/10.1121/1.3500687

Figures

Image of FIG. 1.
FIG. 1.

Schematics of a concentric multilayer scatterer.

Image of FIG. 2.
FIG. 2.

Two canonical problems in a multilayer scatterer. (a) First canonical problem and (b) second canonical problem.

Image of FIG. 3.
FIG. 3.

Schematics of a concentric multilayer spherical scatterer with ER fluid sandwiched between the steel shell and the steel core.

Image of FIG. 4.
FIG. 4.

(Color online) Normalized scattering cross-section for scatterer encasing ERF1 with shell thickness held at b = 0.85a while core size is varied: From top to bottom, c/a = 0.5, 0.6, 0.7, and 0.8. (Solid curve: 0 kV/mm; dashed curve: 1.5 kV/mm.)

Image of FIG. 5.
FIG. 5.

(Color online) Normalized scattering cross-section for scatterer encasing ERF2 with shell thickness held at b = 0.85a while core size is varied: From top to bottom, c/a = 0.5, 0.6, 0.7, and 0.8. (Solid curve: 0 kV/mm; dashed curve: 1.5 kV/mm.)

Image of FIG. 6.
FIG. 6.

(Color online) Normalized scattering cross-section for scatterer encasing ERF1 with constant core radius of c = 0.5a while shell thickness is varied: From top to bottom, b/a = 0.9, 0.8, 0.7, and 0.6. (Solid curve: 0 kV/mm; dashed curve: 1.5 kV/mm.)

Image of FIG. 7.
FIG. 7.

(Color online) Normalized scattering cross-section for scatterer encasing ERF2 with constant core radius of c = 0.5a while shell thickness is varied: From top to bottom, b/a = 0.9, 0.8, 0.7, and 0.6. (Solid curve: 0 kV/mm; dashed curve: 1.5 kV/mm.)

Tables

Generic image for table
TABLE I.

Measured shear wave speed and shear modulus of ER fluids (Bellin et al., 1992).

Generic image for table
TABLE II.

Calculated Lamé’s first constant and longitudinal wave speed based on percentage of wave speed changes.

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/content/asa/journal/jasa/129/1/10.1121/1.3500687
2011-02-02
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Acoustical scattering by multilayer spherical elastic scatterer containing electrorheological layer
http://aip.metastore.ingenta.com/content/asa/journal/jasa/129/1/10.1121/1.3500687
10.1121/1.3500687
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