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An Improved Study of Physically Based Fluid Simulation on GPU

Zhizhong Tong, Qitao Huang, Jingfeng He, Junwei Han
Harbin Inst. of Technol., Harbin
10th IEEE International Conference on Computer-Aided Design and Computer Graphics, 2007

@inproceedings{tong2007improved,

   title={An Improved Study of Physically Based Fluid Simulation on GPU},

   author={Tong, Z. and Huang, Q. and He, J. and Han, J.},

   booktitle={Computer-Aided Design and Computer Graphics, 2007 10th IEEE International Conference on},

   pages={179–184},

   organization={IEEE},

   year={2007}

}

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A feasible routine for complex fluid simulation is presented, consisting of the pre-processing and runtime stage. The pre-processing stage generates all computation-aided textures, which speeds up the simulating and rendering at run-time stage. We improve the unreasonable processing in most previous methods and give a correct discretized solution of Poisson equation. To improve the computational accuracy, the residuals are calculated to adoptively control the Jacobian iterations based on ping-pong technique and reduction operation. The potential parallelism of GPU is harnessed by effectively organizing the data and taking advantages of 4-element parallelism of vector operations. The experiment reveals that the proposed routine creates visually convincing results with encouraging FPS and meets the requirements of real-time simulation.
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