NDLI: Simultaneous coupling of fluids and deformable bodies ( SCA '06 )

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Simultaneous coupling of fluids and deformable bodies

Simultaneous coupling of fluids and deformable bodies ( SCA '06 )

Content Provider	ACM Digital Library
Author	Goktekin, Tolga G. Chentanez, Nuttapong O'Brien, James F. Feldman, Bryan E.
Abstract	This paper presents a method for simulating the two-way interaction between fluids and deformable solids. The fluids are simulated using an incompressible Eulerian formulation where a linear pressure projection on the fluid velocities enforces mass conservation. Similarly, elastic solids are simulated using a semi-implicit integrator implemented as a linear operator applied to the forces acting on the nodes in Lagrangian formulation. The proposed method enforces coupling constraints between the fluid and the elastic systems by combining both the pressure projection and implicit integration steps into one set of simultaneous equations. Because these equations are solved simultaneously the resulting combined system treats closed regions in a physically correct fashion, and has good stability characteristics allowing for relatively large time steps. This general approach is not tied to any particular volume discretization of fluid or solid, and we present results implemented using both regular-grid and tetrahedral simulations.
Starting Page	83
Ending Page	89
Page Count	7
File Format	PDF
ISBN	3905673347
ISSN	17275288
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-09-02
Publisher Place	Goslar
Access Restriction	Subscribed
Subject Keyword	Physically based animation Computational fluid dynamics Natural phenomena Two-way coupling Deformable bodies
Content Type	Text
Resource Type	Article

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