By Biswajit Banerjee
Requiring no complicated wisdom of wave propagation, An advent to Metamaterials and Waves in Composites specializes in theoretical features of metamaterials, periodic composites, and layered composites. The publication supplies newbies a platform from which they could commence exploring the topic in additional detail.
After introducing innovations on the topic of elasticity, acoustics, and electrodynamics in media, the textual content offers airplane wave options to the equations that describe elastic, acoustic, and electromagnetic waves. It examines the airplane wave enlargement of resources in addition to scattering from curved interfaces, in particular spheres and cylinders. the writer then covers electrodynamic, acoustic, and elastodynamic metamaterials. He additionally describes examples of differences, features of acoustic cloaking, and purposes of pentamode fabrics to acoustic cloaking. With a spotlight on periodic composites, the textual content makes use of the Bloch-Floquet theorem to discover the powerful habit of composites within the quasistatic restrict, offers the quasistatic equations of elastodynamic and electromagnetic waves, and investigates Brillouin zones and band gaps in periodic constructions. the ultimate bankruptcy discusses wave propagation in easily various layered media, anisotropic density of a periodic layered medium, and quasistatic homogenization of laminates.
This booklet offers a release pad for examine into elastic and acoustic metamaterials. a few of the principles offered haven't begun to be discovered experimentally―the ebook encourages readers to discover those principles and convey them to technological maturity.
Read or Download An Introduction to Metamaterials and Waves in Composites PDF
Similar microwaves books
A part of the second one variation of the best-selling RF and Microwave guide, this handy and sharply concentrated advisor specializes in RF and microwave circuits, measurements, CAD, simulation, and modeling. the expansion of instant expertise during the last decade has been huge, immense, and this rigorously edited ebook discusses the newest advancements and applied sciences impacting the instant box.
No microwave engineer's library is whole with no this accomplished 1100 web page quantity - generally thought of to be the main precious microwave layout reference ever released. The booklet info primary ideas, concepts, and information of basic use within the layout of quite a lot of constructions. moreover, really expert info is featured which makes it effortless to determine sensible, particular designs.
The e-book covers protocols and different major problems with the subsequent iteration optical community for undergraduate and graduate scholars, researchers, and executives within the undefined. issues are mentioned with no advanced math, yet with citations to references for these drawn to a sophisticated math point.
Requiring no complex wisdom of wave propagation, An creation to Metamaterials and Waves in Composites specializes in theoretical features of metamaterials, periodic composites, and layered composites. The ebook supplies rookies a platform from which they could commence exploring the topic in additional aspect.
- RF and Microwave Radiation Safety
- Free-Space Laser Communications: Principles and Advances
- Electricity and Magnetism
- VLSI for Wireless Communication
Additional resources for An Introduction to Metamaterials and Waves in Composites
3 Πe ∂Π + µ ∇ × Πm . ∂t Cartesian and curvilinear coordinates Recall that the curl of a vector expressed in components with respect to a Cartesian basis is given by ∂v j ∇ × v = ei jk ek = eki j v j,i ek ∂xi where ei jk = eki j = e jki = −ek ji = −e jik = −eik j = 1(i = j = k) is the permutation symbol. 69) for media can be expressed as ∂Bk ; ∂t Bi,i = 0 ; eki j E j,i = − ∂Dk + Jk ∂t Di,i = ρ . 77) Di = εi j E j . 70) are Hi = µ−1 ij Bj ; The expression for the curl of the curl of a vector in Cartesian coordinates is ∇ × ∇ × v = empq eqi j v j,ip em .
63) and the conservation of charge. 67) gives ∂ ∇ · D) + ∇ · J = 0 (∇ ∂t =⇒ ∇ · J+ ∂D ∂t =0. 29 Elastodynamics, Acoustics, and Electrodynamics The above equation is analogous to ∇ · J = 0 but with an addition component to the current density from the bound charges. 65) leads to ∂D . 68) ∇ ×H = J+ ∂t We now have the time-dependent Maxwell’s equations in media in the absence of any internal sources of magnetic induction in the region Ω. 69) where E(x,t) is electric field, B(x,t) is the magnetic induction, H(x,t) is the magnetic field intensity, D(x,t) is the electric displacement field due to the movement of bound charges, J f (x,t) is the free current density, and ρ f (x,t) is the free charge density.
In magnetism, the quantity that is analogous to the electrical charge is the magnetic dipole. The orientation of the magnetic dipole is given by the direction of the magnetic flux density (B), also called the magnetic induction. Let us now consider the magnetic flux density produced by a current. A current is a motion of charges and is described by a current density (J). Consider an element of length dl carrying a current J. The Biot-Savart law relates the elemental magnetic flux density (dB) produced at a point x due to the current in the element located at point y and can be expressed as dB = k J dl × (x − y) x−y 3 where k is a constant.
An Introduction to Metamaterials and Waves in Composites by Biswajit Banerjee