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Interactive water streams with sphere scan conversion

Rama Hoetzlein, Tobias Höllerer
2009 Proceedings of the 2009 symposium on Interactive 3D graphics and games - I3D '09  
Figure 1 : Interactive water simulation of 2500 particles at 75 fps with surface extraction by sphere scan conversion on the CPU and rendering of shadow and environment maps on the GPU.  ...  We present a novel technique for the surface extraction of stream-shaped fluid simulations represented as particles.  ...  This research was funded in part by an NSF IGERT grant on Interactive Digital Multimedia (#DGE-0221713).  ... 
doi:10.1145/1507149.1507166 dblp:conf/si3d/HoetzleinH09 fatcat:hdkqip6wnzgsrbao4k7hlblkke

Numerical study on laminar free convection heat transfer between sphere particle and high pressure water in pseudo-critical zone

Liping Wei, Youjun Lu, Jinjia Wei
2014 Thermal Science  
With respect to Boussinesq approximation, real properties model shows higher vorticity and temperature gradients in the vicinity of the sphere surface, which shows variation of thermo-physical property  ...  Both the Boussinesq approximation method and real properties model (considering variable specific heat, density, viscosity, and conductivity of SCW) were incorporated to simulate the flow and temperature  ...  At the same time, the position of surface vorticity maximum value for real properties is in the back of that of Boussinesq approximation model.  ... 
doi:10.2298/tsci121113039w fatcat:bvfiswqfxfdghgkdsrrrdalz5q

Real-time Subsurface Scattering for Particle-based fluids using Finite Volume Method

Kyung-Kyu Kang, Dongho Kim
2013 Applied Mathematics & Information Sciences  
We present a real-time subsurface scattering simulation to perform real-time rendering of translucent particle-based fluids.  ...  We demonstrate a milk demo that show our method can be performed in real-time with CUDA-based fluid simulation.  ...  Particle-based fluids Particle-based fluid simulation is a practical method for the representation of fluids in real-time rendering applications.  ... 
doi:10.12785/amis/070429 fatcat:5gioweblqfh27batfotftw26si

Real-time temperature measurement in stochastic rotation dynamics

Rong Fan, Githin T. Zachariah, Johan T. Padding, Remco Hartkamp
2021 Physical review. E  
In this work we show how to achieve real-time measurement of the local temperature in stochastic rotation dynamics (SRD), a mesoscale method particularly well suited for problems involving hydrodynamic  ...  Because of the multiscale nature of such systems, it is desirable to connect the macroscopic world of continuous hydrodynamic and temperature fields to mesoscopic particle-based simulations with discrete  ...  Fan thanks the China Scholarship Council (CSC 201707720026) for financial support of this work.  ... 
doi:10.1103/physreve.104.034124 pmid:34654203 fatcat:73bw5hlktjhxjaqmu5lqxwkbnq

Fast Fluid Thermodynamics Simulation by Solving Heat Diffusion Equation

Wanwan Li
2021 International Journal of Computer Graphics & Animation  
So, in order to speed up the simulations, we have taken advantage of GPU acceleration techniques to simulate interactive fluid thermodynamics in real-time.  ...  As shown in Fig. 1, a group of experimental results demonstrates that our GPU-accelerated solver of Navier-Stokes equations with heat transfer could give the observers impressive real-time and realistic  ...  of the droplet from a square and finally apply this to the GPU-based simulation of the droplet evaporating on a heating surface.  ... 
doi:10.5121/ijcga.2021.11401 fatcat:57hi5uxhfvg5nk5a2baifjhuby

Enhanced Lattice Boltzmann Shallow Waters for Real-time Fluid Simulations [article]

Jesus Ojeda, Anton Susín
2013 Eurographics State of the Art Reports  
We present a novel approach at simulating fluids in real-time by coupling the Lattice Boltzmann Method for Shallow Waters (LBMSW) with particle systems.  ...  The particle system adds more detail to the LBM; breaking waves are detected from the surface simulation and particles are generated to provide the effect, taking effectively certain amounts of fluid and  ...  Acknowledgements With the support of the Research Project TIN2010-20590-C02-01 of the Spanish Government.  ... 
doi:10.2312/conf/eg2013/short/025-028 fatcat:bz6xwjuzlraxjbmgaf32ycjd2a

Towards real-time simulation of physically realistic pressure applied to submerged bodies using explicit and semi-implicit SPH algorithms

Nicolas Gartner, Niels Montanari, Mathieu Richier, Vincent Hugel, Ramprasad Sampath
2019 OCEANS 2019 - Marseille  
real-time simulation of underwater vehicles.  ...  Therefore, it appears to be more suitable for real-time simulations with dynamic fluid-solid coupling.  ... 
doi:10.1109/oceanse.2019.8867480 fatcat:r7zvykksdrbb7hziolwzq5kmzy

Comparison of NMR simulations of porous media derived from analytical and voxelized representations

Guodong Jin, Carlos Torres-Verdín, Emmanuel Toumelin
2009 Journal of magnetic resonance (San Diego, Calif. 1997 : Print)  
and voxel-based, to 23 simulate the nuclear-magnetic-resonance (NMR) response of fluids contained in various models of por-24 ous media.  ...  Using an example of X-ray-CT image of Fontainebleau rock sample, we show that 37 voxel size has a significant effect on the calculated surface area and, therefore, on the numerically sim-38 ulated magnetization  ...  In the voxel-based model, 191 the value of v depends on the change of surface area due to discret-192 izaton of a real surface.  ... 
doi:10.1016/j.jmr.2009.07.021 pmid:19665909 fatcat:2brjio3nbbdofgdvyik7xa2juy

A fluid resistance map method for real-time haptic interaction with fluids

Yoshinori Dobashi, Makoto Sato, Shoichi Hasegawa, Tsuyoshi Yamamoto, Mitsuaki Kato, Tomoyuki Nishita
2006 Proceedings of the ACM symposium on Virtual reality software and technology - VRST '06  
Our method displays forces acting on rigid objects due to water with a high frame rate (500 Hz). To achieve this, we present a fast method for simulating the dynamics of water.  ...  The fluid forces due to the nonlinear flow is precomputed by solving Navier-Stokes equations, and stored in a database, named the Fluid Resistance Map.  ...  In Fig. 8 , the user controls a sphere with radius 5 cm and feel the forces in real-time when the sphere interacts with water. The water surface is represented by 128 x 128 grids.  ... 
doi:10.1145/1180495.1180515 dblp:conf/vrst/DobashiSHYKN06 fatcat:os35isgvcvhm3c5imkgwdhhh7a

A Particle-based Dissolution Model using Chemical Collision Energy

Min Jiang, Richard Southern, Jian-Jun Zhang
2015 Proceedings of the 10th International Conference on Computer Graphics Theory and Applications  
We propose a new energy-based method for real-time dissolution simulation. A unified particle representation is used for both fluid solvent and solid solute.  ...  We derive a novel dissolution model from the collision theory in chemical reactions: physical laws govern the local excitation of solid particles based on the relative motion of the fluid and solid.  ...  ACKNOWLEDGEMENTS We would like to thank Phil Spicer for fluid rendering, Mathieu Sanchez for providing Signed Distance Field library, Shujie Deng and Wei Wang for video editing.  ... 
doi:10.5220/0005290302850293 dblp:conf/grapp/JiangSZ15 fatcat:5nkgrm7je5e37ir5sodlx77geu

Fluid dynamics in porous media with Sailfish

Rodrigo C V Coelho, Rodrigo F Neumann
2016 European journal of physics  
In this work we show the application of Sailfish to the study of fluid dynamics in porous media. Sailfish is an open-source software based on the lattice-Boltzmann method.  ...  We built artificial samples of porous media with different porosities and used Sailfish to simulate the fluid flow through in order to calculate permeability and tortuosity.  ...  (a) Specific surface area for a single sphere as a function of radius, compared to the analytical expression. The inset shows a slice of a sphere with R = 70 and its surface area in red.  ... 
doi:10.1088/0143-0807/37/5/055102 fatcat:nednwqajfvawpn3zpyiphiwohq

A model derived from hydrodynamic simulations for extracting the size of spherical particles from the quartz crystal microbalance

Jurriaan J. J. Gillissen, Seyed R. Tabaei, Joshua A. Jackman, Nam-Joon Cho
2017 The Analyst  
A model derived from hydrodynamic simulations is presented for extracting the size of adsorbed nanoparticles in QCM-D measurements, and is applicable to both low and high surface coverage regimes.  ...  Acknowledgement This article is dedicated to the memory of Dr. Kay K. Kanazawa, a long-time friend and colleague who provided stimulating advice that motivated work in this direction.  ...  Hydrodynamic Simulations We simulate the three-dimensional (3D) and time-dependent hydrodynamics around a solid sphere (radius a), which is rigidly attached to an oscillating QCM-D surface.  ... 
doi:10.1039/c7an00456g pmid:28861585 fatcat:olq4zl7e6ngmtebs37adlvb5kq

A Physically-Based Virtual Environment Dedicated to Surgical Simulation [chapter]

Philippe Meseure, Jérôme Davanne, Laurent Hilde, Julien Lenoir, Laure France, Frédéric Triquet, Christophe Chaillou
2003 Lecture Notes in Computer Science  
We choose to rely on a fast penalty-based method which uses approximation of the objects depth map by spheres. The simulation is sufficiently fast to control force feedback devices.  ...  In this paper, we present a system dedicated to the simulation of various physically-based and mainly deformable objects.  ...  The design of the intestine has been studied within a collaboration with the EVASION project of INRIA Rhône-Alpes which is supported by an ARC INRIA.  ... 
doi:10.1007/3-540-45015-7_4 fatcat:sbjkj3gwyvflpf44hykls7jms4

Real-Time Lattice Boltzmann Shallow Waters Method for Breaking Wave Simulations [chapter]

Jesus Ojeda, Antonio Susín
2014 Communications in Computer and Information Science  
We show the effectiveness of our method with various examples which achieve real-time on consumer-level hardware.  ...  We present a new approach for the simulation of surfacebased fluids based in a hybrid formulation of Lattice Boltzmann Method for Shallow Waters and particle systems.  ...  Acknowledgements With the support of the Research Project TIN2010-20590-C02-01 of the Spanish Government.  ... 
doi:10.1007/978-3-662-45944-7_1 fatcat:vantzm5gojctdlsydno64objuq

An applicability study of advanced lattice-Boltzmann techniques for moving, no-slip boundaries and local grid refinement

M. Rohde, J.J. Derksen, H.E.A. Van den Akker
2008 Computers & Fluids  
sphere in a tank.  ...  It was found that the methods are capable of accurately describing the experimentally obtained data and show stable behaviour, even for solid-to-fluid density ratios close to one.  ...  Once the real position is determined, the sphere is then put onto a pre-processed position (one of the 100 positions in our case) which is closest to the real position.  ... 
doi:10.1016/j.compfluid.2007.10.012 fatcat:nw3o4qjc6beiliq5hapb33i554
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