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Understanding the particle dynamics in flash food gullies can help us learn how particle systems work and how river landscapes evolve. While discrete particle-based simulation techniques can accurately capture the transient forces acting on individual particles and their movement trajectories, they also suffer from the problem of excessive computation. To assess the feasibility of applying simplified...
The classical log law for velocity profile is applied to engineering practice. Field observations indicate that the composition of the bed materials obviously influences the shape of vertical velocity distribution. To clearly understand the roughness effect, six types of materials were laid separately at various depths for the investigation of the effects of roughness elements on the vertical velocity...
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