scholarly journals Covering the plane by a sequence of circular disks with a constraint

2020 ◽  
Vol 91 ◽  
pp. 101680
Author(s):  
Amitava Bhattacharya ◽  
Anupam Mondal
Keyword(s):  
Circular Disks

Dependence of the Frequency Spectrum of a Circular Disk on Poisson’s Ratio

1957 ◽  
Vol 24 (1) ◽  
pp. 53-54
Author(s):  
R. L. Sharma
Keyword(s):  
Frequency Spectrum ◽  
Poisson’S Ratio ◽  
Circular Disk ◽  
Intermediate Frequency ◽  
Poisson's Ratio ◽  
Axially Symmetric ◽  
Frequency Range ◽  
Flexural Vibrations ◽  
Circular Disks

Abstract The results of computations of frequencies of axially symmetric flexural vibrations of circular disks are given for an intermediate frequency range and for several values of Poisson’s ratio.

scholarly journals Study of Stacked High Tc Superconducting Circular Disk Microstrip Antenna in Multilayered Substrate Containing Isotropic and/or Uniaxial Anisotropic Materials

2019 ◽  
Vol 8 (3) ◽  
pp. 1-5 ◽  
Author(s):  
A. S. Boughrara ◽  
S. Benkouda ◽  
A. Bouraiou ◽  
T. Fortaki
Keyword(s):  
Microstrip Antenna ◽  
Layer Structure ◽  
Fluid Model ◽  
Single Layer ◽  
Circular Disk ◽  
Complex Surface ◽  
Anisotropic Materials ◽  
High Tc ◽  
Two Fluid Model ◽  
Circular Disks

In this paper, we present a rigorous full-wave analysis able to estimate exactly the resonant characteristics of stacked high Tc superconducting circular disk microstrip antenna. The superconducting patches are assumed to be embedded in a multilayered substrate containing isotropic and/or uniaxial anisotropic materials (the analysis is valid for an arbitrary number of layers). London’s equations and the two-fluid model of Gorter and Casimir are used in the calculation of the complex surface impedance of the superconducting circular disks. Numerical results are presented for a single layer structure as well as for two stacked circular disks fabricated on a double-layered substrate.

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