Review of Seismic Interferometry

Shiraishi, Kazuyuki; Matsuoka, Toshifumi; Kawanaka, Taku

doi:10.5026/jgeography.117.863

J. Geogr.

2008

DOI: 10.5026/jgeography.117.863

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Review of Seismic Interferometry

Kazuyuki Shiraishi¹,

Toshifumi Matsuoka²,

Taku Kawanaka³

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Cited by 2 publications

References 41 publications

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Fundamental study on estimation of imaginary part ratio of FRFs and damage identification from two simultaneous measurements

Furukawa¹,

Kiyono²,

Igarashi³

2011

J. JSCE

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This paper first presents an estimation method of the imaginary part ratio of the frequency response functions (FRFs) from simultaneous measurements at two different locations on a linear structure. The method is based on the reciprocity theorem and the principle of causality, and assums 1) the structural damping matrix is proportional to the identity matrix and 2) force acts on only one point of the structure at a time, which moves throughout the structure with a constant Fourier amplitude. Then, this paper presents a damage identification method for structures using change in the imaginary part ratios of the FRFs. Structural damage is assumed to be accompanied by changes in element stiffness and structural damping. The validity of the estimation method and the damage identification method is verified through a numerical simulation.

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Fundamental study on estimation of imaginary part ratio of FRFs and damage identification from two simultaneous measurements

Furukawa¹,

Kiyono²,

Igarashi³

2011

J. JSCE

View full text Add to dashboard Cite

show abstract

Predicting Method for Transformation of Infragravity Waves with Interferometric Green's Functions

Izumiya

Kobayashi

Ishibashi

et al. 2010

Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal E

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Review of Seismic Interferometry

Cited by 2 publications

References 41 publications

Fundamental study on estimation of imaginary part ratio of FRFs and damage identification from two simultaneous measurements

Fundamental study on estimation of imaginary part ratio of FRFs and damage identification from two simultaneous measurements

Predicting Method for Transformation of Infragravity Waves with Interferometric Green's Functions

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