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• W1988751330 endingPage "1081" @default.
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• W1988751330 abstract "We propose a simple meshless method for detecting a rigid (sound-hard) scatterer embedded in a host acoustic homogeneous medium from scant measurements of the scattered near field. This inverse problem is ill-posed since a solution may not be unique and furthermore, small errors in the input data cause large errors in the output solution. We develop a nonlinear minimization regularized method of fundamental solutions (MFS) for obtaining the numerical solution of the inverse problem in question. Although the MFS is restricted to homogeneous media with constant wavenumber, it is easy to use and simple to implement in higher dimensions. The proposed scheme is tested on several numerical examples and its stability is investigated by inverting measurements contaminated by random noise." @default.
• W1988751330 created "2016-06-24" @default.
• W1988751330 creator A5062580793 @default.
• W1988751330 creator A5078966164 @default.
• W1988751330 date "2012-07-01" @default.
• W1988751330 modified "2023-09-23" @default.
• W1988751330 title "A meshless numerical identification of a sound-hard obstacle" @default.
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• W1988751330 doi "https://doi.org/10.1016/j.enganabound.2012.02.001" @default.
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