Nonlinear acoustic response analysis of plates using the finite element method.

AIAA Journal ◽  
1972 ◽  
Vol 10 (3) ◽  
pp. 276-281 ◽  
Author(s):  
CHINTSUN HWANG ◽  
W. S. PI
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Response Analysis ◽  
The Finite Element Method ◽  
Acoustic Response ◽  
Nonlinear Acoustic ◽  
Element Method

scholarly journals Core influence on the frequency response analysis (FRA) of power transformers through the finite element method

2015 ◽  
Vol 35 (1Sup) ◽  
pp. 110-117 ◽  
Author(s):  
David Leonardo Alvarez Alvarez ◽  
Javier Alveiro Rosero Garcia ◽  
Enrique Esteban Mombello
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Frequency Response ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
The Finite Element Method ◽  
Font Size ◽  
The Core ◽  
Air Core ◽  
Element Method

<span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">In this paper the influence of core parameters in Frequency Response Analysis is analyzed through the equivalent circuit impedance <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">matrix of the transformer winding; the parameters of the circuit have been computed using the Finite Element Method. In order to <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">appreciate the behavior of the iron core in comparison to the air core, the frequency dependence of resonances is calculated to <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">show how the air core only influences the results at low frequencies. The core is modeled using a complex permeability, and the <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">parameters of conductivity and permeability are varied to show their influence in the resonances, which turned out to be negligible. <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">In order to explain this behavior, the eigenvalues of the inverse impedance matrix are calculated showing that they are similar for <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">different values of conductivity and permeability. Finally, the magnetic flux inside and outside the core and its influence in the <span style="font-family: OptimaLTStd; font-size: 9pt; color: #231f20; font-style: normal; font-variant: normal;">frequency response is studied.</span></span></span></span></span></span></span><br style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" /><br class="Apple-interchange-newline" /></span>

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20868-20875 ◽  
Author(s):  
Junxiong Guo ◽  
Yu Liu ◽  
Yuan Lin ◽  
Yu Tian ◽  
Jinxing Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Interfacial Effect ◽  
Infrared Photodetector ◽  
The Finite Element Method ◽  
Ferroelectric Domains ◽  
Element Method

We propose a graphene plasmonic infrared photodetector tuned by ferroelectric domains and investigate the interfacial effect using the finite element method.

Sign in / Sign up

Export Citation Format

Share Document