scholarly journals A simplification of boundary element model with rotational symmetry in electromagnetic field analysis

1990 ◽  
Vol 26 (5) ◽  
pp. 2771-2773 ◽  
Author(s):  
H. Tsuboi ◽  
A. Sakurai ◽  
T. Naito
Keyword(s):  
Electromagnetic Field ◽  
Boundary Element ◽  
Rotational Symmetry ◽  
Element Model ◽  
Field Analysis

Interior Acoustic Field Analysis of Hydraulic Excavator’s Cabin Based on Bem

2011 ◽  
Vol 141 ◽  
pp. 323-327 ◽  
Author(s):  
Yuan Wang ◽  
Jian Run Zhang ◽  
Xiao Bo Liu ◽  
Vanquynh Le
Keyword(s):  
Boundary Element ◽  
Acoustic Field ◽  
Sound Pressure ◽  
Sound Field ◽  
Element Model ◽  
Forced Response ◽  
Field Analysis ◽  
Acoustic Cavity ◽  
Acoustic Boundary Element ◽  
Force Excitation

Structure finite element model of excavator’s cabin is built, and the displacement response of cabin under the external force excitation is analyzed between 20Hz and 200Hz. In the analysis of acoustic characteristic of cabin, the boundary element model of the cabin internal acoustic cavity including the seat is created firstly. Where the result of forced response of the cabin’s structure is mapped to the boundary element model of the sound field inside the cavity as boundary condition, and the distribution of internal acoustic field is calculated and sound pressure response at the driver’s right ear is obtained. And then, acoustic boundary element grids is divided into different sections according to the corresponding structure section of the cabin to evaluate the contribution of sound pressure level at diver’s right ear from each part of cabin.

Comparison of high- and low-frequency electromagnetic field analysis

1993 ◽  
Vol 3 (3) ◽  
pp. 363-371 ◽  
Author(s):  
A. Konrad ◽  
I. A. Tsukerman
Keyword(s):  
Electromagnetic Field ◽  
Low Frequency ◽  
Field Analysis
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