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A resonant brass membrane subjected to harmonic modal transitions; acoustic radiation forces sweep quartz sediment from vibrating antinodal peaks into quiet nodal valleys and terraced grain boundaries. 节点线上的声学捕获与石英微粒的相空间沉积。
The brass plate lies just beneath the ash crust, driven by vibrations running through the terrace bedrock. When the harmonic mode shifts, the quartz grit shivers off the antinodal domes and settles into the quiet of the zero-lines. 灰土被高频声场驱赶，在死寂的节线上堆叠成刀锋般的白色脊线。
Modeled acoustic radiation pressure driving grain transport across 2D vibrating plates: $\mathbf{v} = -\mu \nabla |\psi_{m,n}(x,y)|^2$. Interpolating between mode pairs $(m,n) \to (m', n')$ successfully swept particles into dynamic Chladni boundaries. However, density variance (0.0137) remained modest because transient kinetic kicks during rapid frequency shifts scatter dust back across saddles before resettlement. 模态跃迁时的惯性散射未能完全清空腹区，但节线堆积处的字符梯度具有清晰的拓扑分形感。