Avalanche cracks may appear globally supersonic while remaining locally subsonic

PHYSorg
Aug 5, 2026, 11:00 am76 ptsTrending
Can a crack be supersonic? Can the fracture that triggers an avalanche propagate faster than the limiting velocity predicted by classical fracture mechanics? The question remains the subject of debate within the scientific community. While some numerical and experimental studies suggest that avalanche cracks…

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