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Real-time simulation of physically based on-surface flow

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Abstract

Although many papers have been published in the field of fluid simulation, little attention has been paid to on-surface flow involving wetting and stain transportation as well as erosion and deposition phenomena. In this paper, we introduce nonzero divergence in the mass equation of Navier–Stokes equations to simulate water penetration from on-surface flow into substrate material. Also, the volume of fluid method is adopted to track the free surface. With a computation of the actual amount of absorbed water we render the wetting effects with fully dry and fully wet texture images simultaneously. Using our model, the on-surface flow that accompanies water absorption can be simulated realistically in real time with OpenGL preview rendering. Experimental results illustrate that our model can be widely applied to solve various problems related to on-surface flow.

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Authors and Affiliations

  1. Department of Computer and Information Science, Faculty of Science and Technology, University of Macau, Macao, China

    Y.Q. Liu & E.H. Wu

  2. Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing, China

    Y.Q. Liu, H.B. Zhu, X.H. Liu & E.H. Wu

  3. Graduate School of the Chinese Academy of Sciences, China

    Y.Q. Liu & H.B. Zhu

Authors
  1. Y.Q. Liu
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  2. H.B. Zhu
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  3. X.H. Liu
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  4. E.H. Wu
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Correspondence to Y.Q. Liu.

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Liu, Y., Zhu, H., Liu, X. et al. Real-time simulation of physically based on-surface flow. Visual Comput 21, 727–734 (2005). https://doi.org/10.1007/s00371-005-0314-2

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  • DOI: https://doi.org/10.1007/s00371-005-0314-2

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