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The paper discusses the use of phononic subsurfaces (PSub) made of locally resonant elastic metamaterials to stabilize subsurface flow by controlling flow disturbances, which can delay laminar-to-turbulent transitions and reduce skin-friction drag. The PSub operates passively by generating elastic waves that interfere with incoming flow waves, allowing for precise tuning to achieve desired stabilization or destabilization effects. The study demonstrates the effectiveness of PSubs through numerical simulatio

Author

Shivani S

Language

EN