Connecting Forward and Backward Simulations for Target Driven Fluid Animation

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  • Fluid dynamics simulations are governed completely by physics laws and are difficult to control for artistic requirements. We present a new method for art-directable control technique for liquid simulations by connecting forward and time-reversed backward target simulations in the background of a turbulent source simulation. From a given target shape to approximately match, our backward target simulation with negative initial velocity is simulated forward in time generating a sequence that when played reverse results in the formation of the target shape. The forward target simulation results in the deformation of the target shape and the coupling of these two gives rise to the desired target shape motion at the desired time step. We address a number of challenges in coupling the target simulations and blending them with the source simulation and achieve an art-directable control method.

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  • Copyright © 2022 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
Date Created
  • 2022


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