Physics-based fluid simulation in computer graphics: Survey, research trends, and challenges

X Wang, Y Xu, S Liu, B Ren, J Kosinka… - Computational …, 2024 - ieeexplore.ieee.org
Physics-based fluid simulation has played an increasingly important role in the computer
graphics community. Recent methods in this area have greatly improved the generation of …

Videophy: Evaluating physical commonsense for video generation

H Bansal, Z Lin, T **e, Z Zong, M Yarom… - arxiv preprint arxiv …, 2024 - arxiv.org
Recent advances in internet-scale video data pretraining have led to the development of text-
to-video generative models that can create high-quality videos across a broad range of …

Guaranteed conservation of momentum for learning particle-based fluid dynamics

L Prantl, B Ummenhofer, V Koltun… - Advances in Neural …, 2022 - proceedings.neurips.cc
We present a novel method for guaranteeing linear momentum in learned physics
simulations. Unlike existing methods, we enforce conservation of momentum with a hard …

Learning meaningful controls for fluids

M Chu, N Thuerey, HP Seidel, C Theobalt… - ACM Transactions on …, 2021 - dl.acm.org
While modern fluid simulation methods achieve high-quality simulation results, it is still a big
challenge to interpret and control motion from visual quantities, such as the advected marker …

Lagrangian neural style transfer for fluids

B Kim, VC Azevedo, M Gross… - ACM Transactions on …, 2020 - dl.acm.org
Artistically controlling the shape, motion and appearance of fluid simulations pose major
challenges in visual effects production. In this paper, we present a neural style transfer …

PySPH: a Python-based framework for smoothed particle hydrodynamics

P Ramachandran, A Bhosale, K Puri, P Negi… - ACM Transactions on …, 2021 - dl.acm.org
PySPH is an open-source, Python-based, framework for particle methods in general and
Smoothed Particle Hydrodynamics (SPH) in particular. PySPH allows a user to define a …

A fast unsmoothed aggregation algebraic multigrid framework for the large-scale simulation of incompressible flow

H Shao, L Huang, DL Michels - ACM Transactions on Graphics (TOG), 2022 - dl.acm.org
Multigrid methods are quite efficient for solving the pressure Poisson equation in simulations
of incompressible flow. However, for viscous liquids, geometric multigrid turned out to be …

An implicit compressible SPH solver for snow simulation

C Gissler, A Henne, S Band, A Peer… - ACM Transactions on …, 2020 - dl.acm.org
Snow is a complex material. It resists elastic normal and shear deformations, while some
deformations are plastic. Snow can deform and break. It can be significantly compressed …

The power particle-in-cell method

Z Qu, M Li, F De Goes, C Jiang - ACM Transactions on Graphics, 2022 - par.nsf.gov
This paper introduces a new weighting scheme for particle-grid transfers that generates
hybrid Lagrangian/Eulerian fluid simulations with uniform particle distributions and precise …

SPH crowds: Agent-based crowd simulation up to extreme densities using fluid dynamics

W van Toll, T Chatagnon, C Braga, B Solenthaler… - Computers & …, 2021 - Elsevier
In highly dense crowds of humans, collisions between people occur often. It is common to
simulate such a crowd as one fluid-like entity (macroscopic), and not as a set of individuals …