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Study of crack identification methods for underwater structures based on alternating electromagnetic fields
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DOI：10.1016/j.oceaneng.2025.123005.png)
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Abstract
En 中文
• Proposes an alternating electromagnetic induction method for underwater crack detection. • Develops a signal inversion algorithm to quantify crack length and depth. • Designs underwater probes and flexible devices for continuous subsea deployment. • Achieves 2 × 1 mm detection with 94 % length and 92.5 % depth accuracy. • Reaches over 91 % recognition accuracy in Bohai Sea field trials.
Keywords:
Alternating electromagnetic field
Underwater crack identification
Crack parameter inversion algorithm
Detection and monitoring
Journal
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