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arxiv: 0807.4284 · v2 · submitted 2008-07-27 · ❄️ cond-mat.soft

Formation of aeolian ripples and sand sorting

classification ❄️ cond-mat.soft
keywords ripplesandaeolianformationgrowthripplesarmoringasymmetric
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We present a continuous model capable of demonstrating some salient features of aeolian sand ripples: the realistic asymmetric ripple shape, coarsening of ripple field at the nonlinear stage of ripple growth, saturation of ripple growth for homogeneous sand, typical size segregation of sand and formation of armoring layers of coarse particles on ripple crests and windward slopes if sand is inhomogeneous.

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