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Turbulent Boundary Layer Modeling via Incorporation of Pressure Gradient Directional Effect

机译:结合压力梯度方向效应的湍流边界层建模

摘要

Disclosed are techniques for performing a flow simulation that include storing in a memory state vectors for a plurality of voxels, the state vectors comprising a plurality of entries that correspond to particular momentum states of a plurality of possible momentum states at a voxel. The techniques also include storing in a memory a representation of at least one surface and performing interaction operations on the state vectors, the interaction operations modelling interactions between elements of different momentum states. The techniques also include performing surface interaction operations which model interactions between the surface and elements of at least one voxel near the surface, including modeling a to wall shear stress direction that is not parallel to a flow velocity direction and performing move operations on the state vectors to reflect movement of elements to new voxels.
机译:公开了用于执行流动仿真的技术,该技术包括将用于多个体素的状态向量存储在存储器中,状态向量包括与对应于体素处的多个可能动量状态的特定动量状态的多个条目。所述技术还包括在存储器中存储至少一个表面的表示并在状态向量上执行交互操作,所述交互操作对不同动量状态的元素之间的交互进行建模。该技术还包括执行表面相互作用操作,该操作对表面与至少一个体素在表面附近的元素之间的相互作用进行建模,包括对不平行于流速方向的壁剪切应力方向进行建模,并对状态向量执行移动操作。反映元素向新体素的移动。

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