<title>Inversion processing of viscoelastic waves to study the fracture dynamics in unidirectional model GFRP</title>
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説明
Study aims to elucidate the fracture dynamics of brittle glass fiber reinforcement in a viscoelastic matrix, typical phenomena in the loaded GFRP, by the quantitative source inversion of elastic wave or acoustic emission (AE). We developed a new AE system to measure the out-of-plane displacement of the elastic wave and a source inversion processing to the out-of-plane displacement. The proposed inversion processing, taking into account the wave attenuation and response delay of the P-wave in the polymer matrix, enables us to study the fracture dynamics of various microfractures in loaded GFRP.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 2921 480-485, 1997-03-20
SPIE