Detecting cracks from limited wave data
Published on:
8 May 2024
Primary Category:
Numerical Analysis
Paper Authors:
Xiaoxu Xu,
Guanqiu Ma,
Guanghui Hu
Bullets
Key Details
Proves one incident wave uniquely determines a piecewise linear crack
Contrast sampling method finds rough crack location
Modified factorization method recovers convex hull from one wave
Newton's iteration further refines crack shape
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AI generated summary
Detecting cracks from limited wave data
This paper proposes methods to detect the location and shape of cracks using limited acoustic wave data from just one wave source. A contrast sampling method initially determines a rough crack location. Then a variant factorization technique recovers the crack's convex hull using one plane wave. Newton's method further refines the shape. Numerical results demonstrate effectively detecting cracks from minimal data.
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