Stochastic sampling in computer graphics
ACM Transactions on Graphics (TOG)
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
Simulating free surface flows with SPH
Journal of Computational Physics
A non-oscillatory Eulerian approach to interfaces in multimaterial flows (the ghost fluid method)
Journal of Computational Physics
Coupling an Eulerian fluid calculation to a Lagrangian solid calculation with the ghost fluid method
Journal of Computational Physics
A simplified approach to enhance the performance of smooth particle hydrodynamics methods
Applied Mathematics and Computation
Particle-based fluid simulation for interactive applications
Proceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation
Numerical simulation of interfacial flows by smoothed particle hydrodynamics
Journal of Computational Physics
Particle-based fluid-fluid interaction
Proceedings of the 2005 ACM SIGGRAPH/Eurographics symposium on Computer animation
A spatial data structure for fast Poisson-disk sample generation
ACM SIGGRAPH 2006 Papers
Weakly compressible SPH for free surface flows
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Adaptively sampled particle fluids
ACM SIGGRAPH 2007 papers
A fast variational framework for accurate solid-fluid coupling
ACM SIGGRAPH 2007 papers
Fast Poisson disk sampling in arbitrary dimensions
ACM SIGGRAPH 2007 sketches
Direct Forcing for Lagrangian Rigid-Fluid Coupling
IEEE Transactions on Visualization and Computer Graphics
Predictive-corrective incompressible SPH
ACM SIGGRAPH 2009 papers
Density contrast SPH interfaces
Proceedings of the 2008 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
On the problem of penetration in particle methods
Journal of Computational Physics
ACM SIGGRAPH 2011 papers
A multigrid fluid pressure solver handling separating solid boundary conditions
SCA '11 Proceedings of the 2011 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
Staggered meshless solid-fluid coupling
ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2012
Temporal Blending for Adaptive SPH
Computer Graphics Forum
A fluid/cloth coupling method for high velocity collision simulation
Proceedings of the 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry
ACM Transactions on Graphics (TOG) - SIGGRAPH 2013 Conference Proceedings
Consistent surface model for SPH-based fluid transport
Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation
ACM Transactions on Graphics (TOG)
Versatile surface tension and adhesion for SPH fluids
ACM Transactions on Graphics (TOG)
Physics-based animation of large-scale splashing liquids
ACM Transactions on Graphics (TOG)
Gap processing for adaptive maximal poisson-disk sampling
ACM Transactions on Graphics (TOG)
Coupled tissue bleeding simulation in virtual surgery
ICIC'13 Proceedings of the 9th international conference on Intelligent Computing Theories
Efficient fluids simulation and rendering on GPU
Proceedings of the 12th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and Its Applications in Industry
Improving spatial coverage while preserving the blue noise of point sets
Computer-Aided Design
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We propose a new ghost fluid approach for free surface and solid boundary conditions in Smoothed Particle Hydrodynamics (SPH) liquid simulations. Prior methods either suffer from a spurious numerical surface tension artifact or drift away from the mass conservation constraint, and do not capture realistic cohesion of liquid to solids. Our Ghost SPH scheme resolves this with a new particle sampling algorithm to create a narrow layer of ghost particles in the surrounding air and solid, with careful extrapolation and treatment of fluid variables to reflect the boundary conditions. We also provide a new, simpler form of artificial viscosity based on XSPH. Examples demonstrate how the new approach captures real liquid behaviour previously unattainable by SPH with very little extra cost.