A practical guide to thin film and drips simulation

Stomakhin, Alexey; Moffat, Andrew; Boyle, Gary

doi:10.1145/3306307.3328141

Cited by 4 publications

(1 citation statement)

References 8 publications

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“…These technologies are similar to those shown in Alita: Battle Angel (Murphy, 2019). There is a second study (a conference paper) that reviews a technical aspect of the film, namely the computer graphic features the film employs (Stomakhin et al, 2019). At the moment, there are no studies aimed at analyzing this film from a religious standpoint.…”

Section: Introductionmentioning

confidence: 99%

Untitled

2022

P&C

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The evolution (sensu lato) of the cosmos can be divided in three phases: cosmological evolution (sensu stricto), biological evolution and cultural evolution. Analogies between biological and cultural evolution date from the nineteenth century although it is only in the past two decades that so-called cultural evolution research has exploded. By contrast, comparisons between cosmological evolution and either biological or cultural evolution are uncommon. Here, we compare these three kinds of evolution and try to delineate their common grammar. Do their structure and underlying dynamics have characteristics in common? We believe that this is indeed the case and also that this Universal Grammar of Evolution can and should be used as a heuristic template in the study of these three kinds of evolution. Furthermore, this provisional template also might help scholars in their attempts to sketch the future course of a possible fourth kind of evolution, that of artificial intelligence and intelligent machines.

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Section: Introductionmentioning

confidence: 99%

Untitled

2022

P&C

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Loki

Lesser¹,

Stomakhin²,

Daviet³

et al. 2022

ACM Trans. Graph.

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We introduce Loki, a new framework for robust simulation of fluid, rigid, and deformable objects with non-compromising fidelity on any single element, and capabilities for coupling and representation transitions across multiple elements. Loki adapts multiple best-in-class solvers into a unified framework driven by a declarative state machine where users declare 'what' is simulated but not 'when,' so an automatic scheduling system takes care of mixing any combination of objects. This leads to intuitive setups for coupled simulations such as hair in the wind or objects transitioning from one representation to another, for example bulk water FLIP particles to SPH spray particles to volumetric mist. We also provide a consistent treatment for components used in several domains, such as unified collision and attachment constraints across 1D, 2D, 3D deforming and rigid objects. Distribution over MPI, custom linear equation solvers, and aggressive application of sparse techniques keep performance within production requirements. We demonstrate a variety of solvers within the framework and their interactions, including FLIPstyle liquids, spatially adaptive volumetric fluids, SPH, MPM, and mesh-based solids, including but not limited to discrete elastic rods, elastons, and FEM with state-of-the-art constitutive models. Our framework has proven powerful and intuitive enough for voluntary artist adoption and has delivered creature and FX simulations for multiple major movie productions in the preceding four years.

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