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**Harvard**

Olsson, P. och Wall, D. (2011) *Partial elastodynamic cloaking by means of fiber-reinforced composites*.

** BibTeX **

@article{

Olsson2011,

author={Olsson, Peter and Wall, D. J. N.},

title={Partial elastodynamic cloaking by means of fiber-reinforced composites},

journal={Inverse Problems},

issn={0266-5611},

volume={27},

issue={4},

abstract={In this paper, we show that if inextensible fibers are embedded in an elastic material (or the material is by some other means made considerably stiffer in a particular but possibly variable direction), one may obtain equations of motion which are form invariant under certain diffeomorphism, allowing for partial cloaking (or 'illusion optics') schemes in both 2D and 3D. The schemes are valid at all frequencies without requiring any active material properties, and will thus work in the time domain without requiring active materials. While being mathematically exact at all frequencies, the applicability is of course limited to where the continuum approximation holds. Additional limits, set by idealization in the modeling of fibers and core material, are also present. However, contrary to some other approaches, the solution does not require metamaterials with non-scalar mass densities, nor does it require the breaking of the supersymmetry of the elasticity tensor.},

year={2011},

keywords={elastic medium },

}

** RefWorks **

RT Journal Article

SR Electronic

ID 139654

A1 Olsson, Peter

A1 Wall, D. J. N.

T1 Partial elastodynamic cloaking by means of fiber-reinforced composites

YR 2011

JF Inverse Problems

SN 0266-5611

VO 27

IS 4

AB In this paper, we show that if inextensible fibers are embedded in an elastic material (or the material is by some other means made considerably stiffer in a particular but possibly variable direction), one may obtain equations of motion which are form invariant under certain diffeomorphism, allowing for partial cloaking (or 'illusion optics') schemes in both 2D and 3D. The schemes are valid at all frequencies without requiring any active material properties, and will thus work in the time domain without requiring active materials. While being mathematically exact at all frequencies, the applicability is of course limited to where the continuum approximation holds. Additional limits, set by idealization in the modeling of fibers and core material, are also present. However, contrary to some other approaches, the solution does not require metamaterials with non-scalar mass densities, nor does it require the breaking of the supersymmetry of the elasticity tensor.

LA eng

DO 10.1088/0266-5611/27/4/045010

LK http://dx.doi.org/10.1088/0266-5611/27/4/045010

OL 30