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Fluid simulation with articulated bodies.

Nipun Kwatra1, Chris Wojtan, Mark Carlson

  • 1Stanford University, Stanford, CA 94305-9020, USA. kwatra@stanford.edu

IEEE Transactions on Visualization and Computer Graphics
|November 14, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a novel algorithm for realistic fluid animations of characters. It combines dynamic simulation and motion capture data to accurately model articulated body-fluid interactions for various swimming strokes.

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Area of Science:

  • Computer Graphics
  • Fluid Dynamics
  • Animation

Background:

  • Realistic character animation in fluids is challenging.
  • Existing methods struggle with articulated body-fluid interactions.

Purpose of the Study:

  • To develop an algorithm for realistic fluid animations of characters.
  • To accurately simulate articulated body-fluid interactions.

Main Methods:

  • Combined dynamic simulation with data-driven kinematic motions (motion capture).
  • Incorporated joint constraints with rigid animation.
  • Extended solid/fluid coupling for articulated chains.
  • Calculated accelerations to estimate joint forces and torques.

Main Results:

  • Demonstrated realistic simulated swimming for crawl, backstroke, breaststroke, and butterfly.
  • Enabled simulations of simple water creatures driven by controllers.

Conclusions:

  • The algorithm successfully generates realistic fluid animations for articulated characters.
  • The approach is versatile, applicable to various swimming styles and creature animations.