GPU-Based, Parallel-Line, Omni-Directional Integration of the Acceleration Field to Obtain the 3D Pressure Distribution


For recent years, PIV based pressure reconstruction from material acceleration either by solving Pressure Poisson Equation (PPE) or by direct integration has been studied. The advantage of direct integration on no need of prescribed pressure boundary encourage us to develop a 3D direct integration method. In this paper, a GPU-based, parallel-line, omni-directional integration (Omni3D) method has been developed and tested using the JHU DNS Database, comparing with three different methods. In a serious of tests, Omni3D tends out to be a robust and efficient method with only 1 minute for one realization. This method is also utilized to compute the volumetric pressure in a turbulent channel flow over a compliant surface.

The 3D GPU-Based Parallel-Line Omni-Directional Integration Method
DNS Verification of Omni3D
Application of Omni3D on Turbulent Channel Flow Over a Compliant Surface
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