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Mediterranean Dune Processes At The Sea Shores

机译:在海边的地中海沙丘过程

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摘要

The development of the dunes is governed by the effects of turbulence. Turbulence is a type of fluid flow that is strongly rotational and apparently chaotic. Turbulence separates nearby parcels of air and thus mixed fluid properties. The evolution of sand dunes is determined by the interactions between the atmosphere, the surface and the transport and deposition of sand. We are concerned with this physical process and its computational simulation from three perspectives; namely, (1) flow structure; (2) sand transport and deposition and (3) interactions between flow structure and sand transport-deposition, which determine the dune morphology.
机译:沙丘的发展受湍流的影响。湍流是一种强烈旋转且显然混乱的流体流。湍流将附近的空气分开,从而使混合的流体特性分离。沙丘的演变取决于大气,地表以及沙的运输和沉积之间的相互作用。我们从三个角度关注这个物理过程及其计算模拟。即,(1)流动结构; (2)沙的输运和沉积以及(3)流动结构与沙的输运与沉积之间的相互作用,决定了沙丘的形态。

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