Method and recording medium of a hybrid approach to multiple fluid simulation using volume fraction
OwnerSung Yong Shin, Nahyup KANGinventors
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Abstract
Provided are a method of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities and variable viscosities resulting from N multiple fluids existing in multiple lattice cells, and a recording medium wherein a program of the method is recorded.
Claims16
A method of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities resulting from N multiple fluids existing in multiple lattice cells, comprising:
- classifying N fluids into n fluid groups according to their physical properties;
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- and computing velocity field of each lattice cell using the computed variable density.
A method of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities resulting from N multiple fluids existing in multiple lattice cells, comprising:
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- and computing velocity field of each lattice cell using the computed variable density.
A method of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities and variable viscosities resulting from N multiple fluids existing in multiple lattice cells, comprising:
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- computing velocity field of each lattice cell using the computed variable density;
- computing variable viscosity of each lattice cell;
- computing the velocity field of each lattice cell again using the computed variable viscosity;
- and computing again the volume fractions of all the fluids moving in the velocity field.
A recording medium wherein a program of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities resulting from N multiple fluids existing in multiple lattice cells, is recorded, the method comprising:
- classifying N fluids into n fluid groups according to their physical properties;
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- and computing velocity field of each lattice cell using the computed variable density.
A recording medium wherein a program of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities resulting from N multiple fluids existing in multiple lattice cells, is recorded, the method comprising:
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- and computing velocity field of each lattice cell using the computed variable density.
A recording medium wherein a program of a hybrid approach to multiple fluid simulation using volume fractions for realizing computer graphics through analysis of the Navier-Stokes equations, which is executed via a computer and takes into account variable densities resulting from N multiple fluids existing in multiple lattice cells, is recorded, the method comprising:
- computing and storing volume fractions of the fluids in each lattice cell;
- converting the volume fractions of the fluids into distance functions and storing them;
- determining the dominant fluid which has the largest volume fraction in each lattice cell;
- computing variable density of each lattice cell;
- computing velocity field of each lattice cell using the computed variable density;
- computing variable viscosity of each lattice cell;
- computing the velocity field of each lattice cell again using the computed variable viscosity;
- and computing again the volume fractions of all the fluids moving in the velocity field.
Dependencies are inferred from the claim text.