Real-time Simulation of Foam and Sprays Based on the Weber Number

Lihui Zhang, Chao Zhang, Ying Li, Mengya Lv, Yong Tang
The College of Information Science and Engineering, The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province, Yanshan University, Qinhuangdao 066004, China
Journal of Computational Information Systems 10: 7, 2829-2836, 2014


   title={Real-time and Realistic Simulation of Large-scale Deep Ocean Wave Foams Based on GPU},

   author={ZHANG, Lihui and GUO, Cuiying and TANG, Yong and LV, Mengya and LI, Ying and ZHAO, Jing},

   journal={Journal of Computational Information Systems},






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In this paper, we propose a method based on the Weber number to uniformly model and simulate the foam and sprays generated by the fluid motion. We use the SPH to construct the fluid and calculate the Weber number of each particle. The fluid particles are divided into foam particles, transition particles and water particles by comparing their Weber number with a given critical value. These particles are rendered independently. For the solid-liquid interaction in fluid, we use SPH particles to mark the solid shape, and correct the changed solid particle position using a rotating equation. Finally, a more precise fluid surface illumination model is proposed, and the Fresnel reflection coefficient of this model can be gotten by the Snell law. Experiment results show that our method achieve real-time performance and the visual effect is desirable.
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