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- W2611499288 abstract "Abstract Many complex natural phenomena with dramatic spatial and temporal variation are difficult to animate accurately with anticipated performance in many graphics tasks and applications, because oftentimes in prior art, a single type of physical process could not afford high fidelity and effective scene production. Volcano eruption and its subsequent interaction with earth is one such complicated phenomenon that must depend on multiphysical processes and their tight coupling. This paper documents a novel and effective particle‐based solution for volcano animation that embraces multiphysical processes and their tight unification. First, we introduce a governing physical model consisting of multiphysical processes enabling flexible state transition among solid, fluid, and gas. This computational physics model is dictated by temperature and accommodates dynamic viscosity that is changing according to the temperature. Second, we propose an augmented smoothed particle hydrodynamics as the underlying numerical model to simulate the behavior of lava and smoke with several required physical attributes. Third, multiphysical quantities are tightly coupled to support the interaction with surroundings including fluid–solid coupling, ground friction, and lava–smoke coupling. We also develop a temperature‐directed rendering technique with nearly no extra computational cost and demonstrate realistic graphics effects of volcano eruption and its interaction with earth with visual appeal." @default.
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- W2611499288 date "2017-05-01" @default.
- W2611499288 modified "2023-10-16" @default.
- W2611499288 title "Hybrid modeling of multiphysical processes for particle‐based volcano animation" @default.
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- W2611499288 doi "https://doi.org/10.1002/cav.1758" @default.
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