A Comparative Study on Iterative Progressive Numerical Methods for Boundary Element Analysis of Electromagnetic Multiple Scattering

2011 ◽  
Vol E94-C (5) ◽  
pp. 865-873 ◽  
Author(s):  
Norimasa NAKASHIMA ◽  
Mitsuo TATEIBA
Keyword(s):  
Numerical Methods ◽  
Comparative Study ◽  
Boundary Element ◽  
Multiple Scattering ◽  
Element Analysis ◽  
Boundary Element Analysis

Boundary Element Analysis of Multiple Scattering Waves in High Performance Concretes

2005 ◽  
Vol 72 (2) ◽  
pp. 165-171 ◽  
Author(s):  
Hirotaka Sato ◽  
Michihiro Kitahara ◽  
Tetsuo Shoji
Keyword(s):  
Boundary Element ◽  
Multiple Scattering ◽  
Elastic Waves ◽  
High Performance ◽  
Fiber Reinforced Concrete ◽  
Element Analysis ◽  
Consistent Model ◽  
Self Consistent ◽  
Boundary Element Analysis ◽  
Concrete Matrix

Advances in computing have allowed for the development of high performance concretes mathematically. We develop a method which combines the generalized self consistent model together with the boundary element method and the statistical averaging procedure to study the multiple scattering of plane elastic waves in concrete containing randomly distributed parallel fibers. In analysis, the concrete matrix is modeled by dispersed aggregate structure. The physical properties for a fiber-reinforced concrete are obtained numerically and shown in graphs for various microstructures at designated frequencies.

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