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The Visual Computer

, Volume 30, Issue 6–8, pp 787–796 | Cite as

Dynamic BFECC Characteristic Mapping method for fluid simulations

  • Xiaosheng Li
  • Le Liu
  • Wen Wu
  • Xuehui Liu
  • Enhua Wu
Original Article

Abstract

In this paper, we present a new numerical method for advection in fluid simulation. The method is built on the Characteristic Mapping method. Advection is solved via grid mapping function. The mapping function is maintained with higher order accuracy BFECC method and dynamically reset to identity mapping whenever an error criterion is met. Dealing with mapping function in such a way results in a more accurate mapping function and more details can be captured easily with this mapping function. Our error criterion also allows one to control the level of details of fluid simulation by simply adjusting one parameter. Details of implementation of our method are discussed and we present several techniques for improving its efficiency. Both quantitative and visual experiments were performed to test our method. The results show that our method brings significant improvement in accuracy and is efficient in capturing fluid details.

Keywords

Fluid simulation Advection BFECC Characteristic Mapping 

Notes

Acknowledgments

The authors would like to thank the anonymous reviewers for their valuable comments and suggestions to improve the quality of the paper. This research is supported by NSFC Grant (61272326), HK RGC Grant (416212) and the grant of University of Macau.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Xiaosheng Li
    • 1
    • 2
  • Le Liu
    • 1
    • 2
  • Wen Wu
    • 3
  • Xuehui Liu
    • 1
  • Enhua Wu
    • 1
    • 3
  1. 1.State Key Laboratory of Computer Science, Institute of SoftwareChinese Academy of SciencesBeijingChina
  2. 2.University of Chinese Academy of SciencesBeijingChina
  3. 3.University of MacauMacaoChina

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