Numerical Modeling and Simulation of Wind Blown Sand Morphology under Complex Wind-Flow Field

<table>Field wind tunnel tests with semicircular obstacle. (a) a little whirlwind at left side; (b) different types of sand ripple area; (c) a little whirlwind at right side.</table>

Journal of Applied Mathematics

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Figure 6

Figure 6: Numerical Modeling and Simulation of Wind Blown Sand Morphology under Complex Wind-Flow Field 