A Visual Simulation Method of Oil-Water Mixing Phenomena Based on Physics

Abstract

The invention relates to a visual simulation method of oil-water mixing phenomenon based on physics. The method includes: firstly, the particle representation of the fluid simulation method based on particle representation is used to uniformly model and represent different types of fluids, and the two liquids of oil and water are essentially abstracted into two fluids that cannot be merged; then, all models The particles in the fluid dynamics equations are used to solve; finally, the constraints based on the point position method are used to constrain the non-fusible fluids to control the deformation and motion of the two liquids of oil and water, and to ensure the numerical stability of the simulation by modifying the boundary conditions and correctness. The invention uses a unified particle model for overall modeling, and uses point position information to constrain the interaction between the deformation of the infusible fluid and the multiphase flow, thereby reducing the calculation amount of the multiphase flow coupling simulation and improving the calculation efficiency.

Description

technical field [0001] The invention relates to the technical field of fluid simulation of computer animation, in particular to a physics-based visualization method for simulating non-fusible multiphase flow fluid, and in particular refers to the dynamic simulation of oil-water mixing phenomenon. Background technique [0002] In the past two decades, more and more researchers in the field of physical simulation have turned their attention to the modeling of complex fluid phenomena. Among them, fluid simulation based on real physical rules has been widely studied in computer animation. Some methods for interactive simulation of multiphase fluids have been proposed one after another, including simulation of fusion and separation of multiphase fluids, interactive simulation of non-fusible multiphase flows, stratification of fluids with different densities, and so on. However, since the multiphase flow simulation is more complicated than the single-phase fluid simulation, the ca...

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the invention is: aiming at the problem that the existing discrete particle-based method is difficult to directly simulate the infusible multiphase flow, the shape matching constraint method in the method based on point position information is introduced to constrain the motion and shape of the infusible fluid , solves the dynamic interaction problem of non-fusible fluids, realizes the simulation of non-fusible multiphase fluids under the fluid simulation framework based on particle representation, has high computational efficiency and small computational complexity, and satisfies the physical reality. Requirements for visual simulation of fusion multiphase fluids

Images