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<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/cqrugwalkvcezgalqorn4fwnuu" style="color: black;">ACM Transactions on Graphics</a>
Fig. 1 . Frying an egg on a hot pan, achieved by enabling the diffusion of phases but disabling the diffusion of concentrations. We introduce a unified particle framework which integrates the phase-field method with multi-material simulation to allow modeling of both liquids and solids, as well as phase transitions between them. A simple elastoplastic model is used to capture the behavior of various kinds of solids, including deformable bodies, granular materials, and cohesive soils. States of<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1145/3130800.3130882">doi:10.1145/3130800.3130882</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/yrwvclrrcremhdcgj2kcl3223m">fatcat:yrwvclrrcremhdcgj2kcl3223m</a> </span>
more »... atter or phases, particularly liquids and solids, are modeled using the nonconservative Allen-Cahn equation. In contrast, materials-made of different substances-are advected by the conservative Cahn-Hilliard equation. The distributions of phases and materials are represented by a phase variable and a concentration variable, respectively, allowing us to represent commonly observed fluid-solid i nteractions. T he d ynamics o f a m ulti-phase, multimaterial system are governed by a unified Helmholtz free-energy density. This framework provides the first method in computer graphics capable of modeling a continuous interface between phases. It is versatile and can be readily used in many scenarios challenging to simulate. Examples are provided to demonstrate the capabilities and effectiveness of this approach.
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