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October 15, 2007 10:23 WSPC/130-JCA jcaAntoineLuHuang Journal of Computational Acoustics
 

Summary: October 15, 2007 10:23 WSPC/130-JCA jcaAntoineLuHuang
Journal of Computational Acoustics
c IMACS
Computing high-frequency scattered fields by
Beam Propagation Methods: a prospective study
XAVIER ANTOINE
Institut Elie Cartan Nancy (IECN), CNRS-INRIA-Nancy Universit´e, Universit´e Henri Poincar´e Nancy 1,
B.P. 239, F-54506 Vandoeuvre-l`es-Nancy Cedex, France.
Xavier.Antoine@iecn.u-nancy.fr
YUEXIA HUANG
Department of Mathematics, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong
YA YAN LU
Department of Mathematics, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong
mayylu@math.cityu.edu.hk
Received (Day Month Year)
Revised (Day Month Year)
This paper presents some theoretical and numerical investigations concerning the fast computation
of an exterior wave field to a scatterer by the Beam Propagation Method (BPM). Different models
are presented and compared. It appears that the approach is able to correctly model the propagation
of the propagative modes of the wave field while inaccuracies still remain for the evanescent and

  

Source: Antoine, Xavier - Institut de Mathématiques Élie Cartan, Université Henri Poincaré - Nancy 1

 

Collections: Mathematics