Open AccessBook Chapter10.1007/978-3-642-41914-0_26

Visualizing 3D Time-Dependent Foam Simulation Data

- 29 Jul 2013

- pp 255-265

TL;DR: This work describes a software tool for the exploration, visualization and analysis of time-dependent 3D foam simulation data and presents feedback from domain experts and new insights into foam behavior obtained using the tool.

Abstract: Liquid foams have important practical applications in mineral separation and oil recovery. However, the details of the foam mechanics in these applications are poorly understood. Foam scientists have used 2D foam simulations to model foam behavior and 2D visualization solutions have helped them explore and analyze their data. Three-dimensional foam simulations remove some of the simplifying assumptions made in 2D so they should provide better approximations of reality. Yet no foam specific 3D visualization tools exist. We describe a software tool for the exploration, visualization and analysis of time-dependent 3D foam simulation data. We present feedback from domain experts and new insights into foam behavior obtained using our tool.

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1. What contributions have the authors mentioned in the paper "Visualizing 3d time-dependent foam simulation data" ?

Three-dimensional foam simulations remove some of the simplifying assumptions made in 2D so they should provide better approximations of reality.. The authors describe a software tool for the exploration, visualization and analysis of time-dependent 3D foam simulation data.. The authors present feedback from domain experts and new insights into foam behavior obtained using their tool.

2. What have the authors stated for future works in "Visualizing 3d time-dependent foam simulation data" ?

For future work, the authors would like to expand their tool to offer tensor and volume visualization and to support comparisons between simulations and experiments.

Fig. 2: Topological change trails for the falling disc (2D) and falling sphere (3D) simulations. In 3D, topological changes are represented as spheres colored by the their type.

Fig. 3: A bubble path that forms a loop. This behavior was not previously observed in 3D by domain experts. The two views show the falling sphere and the bubble that traverses a loop. Bubble center is marked with a red dot. The right view shows only edges for the sphere and bubble and the paths traversed during the simulation. Bubble paths are colored by velocity along the Y axis, with blue showing downward and red showing upward velocity.

Fig. 6: Topological changes cause high velocity bubbles. In the left view we show bubble velocity and velocity magnitude scalar as well as the position of topological changes at t = 6. In the right view we show bubble velocity colored by velocity magnitude and the position of topological changes at t = 12. Note that in both views the velocity (and velocity magnitude) is clamped because velocities caused by topological changes are much larger than bubble velocities caused by the falling sphere.

Fig. 4: Velocity average around the falling disc (2D) versus the falling sphere (3D) simulations. A similar pattern can be observed in 2D (left view) and 3D (right view). Bubbles are pushed down by the falling object, they move to the side to make space for it, and then they fill its space as the object passes them. In the left view we show velocity magnitude scalar and the velocity vector. In the right view we show the velocity vector colored by velocity magnitude. Both the scalar and vectors sizes are clamped using the color bars shown in the lower left corners.

Fig. 5: KDE around the falling disc versus falling sphere simulations. The maximum values in the color bar represent the maximum number of topological changes in a time step. KDE for all time steps (b) shows that, for 3D, topological changes on top of the sphere dominate the final result. This is caused by topological changes in the same area being triggered repeatedly in the simulation code, feature discovered using our visualization.

Fig. 1: 3D topological change of type tri to edge. Bubbles are colored by number of faces per bubble: (18, 15, 13, 12). The first two images show bubbles just before the topological change and the third image shows bubbles after the topological change. After the topology change the number of faces in each bubble changes to (17, 16, 14, 11).

Citations

•Journal Article•10.3390/COMPUTERS4010039

FoamVis, A Visualization System for Foam Research: Design and Implementation

Dan R. Lipsa, +2 more

- 20 Mar 2015

- The first computers

TL;DR: The goal is to provide a global overview and individual feature implementation details that would allow a visualization scientist to extend the FoamVis system with new algorithms and adapt it to new requirements.

...read moreread less

•Dissertation

Visualization of time-dependent foam simulation data

Dan R. Lipsa

- 01 Jan 2013

TL;DR: A novel application, called FoamVis, is presented that provides various techniques for visualization, exploration and analysis of foam simulation data and can process a simulation or it can facilitate comparison of several related simulations.

...read moreread less

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Book Chapter•10.1007/978-4-431-67879-3_6

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Foams: Structure and Dynamics

Isabelle Cantat, +9 more

- 25 Mar 2018

TL;DR: Foams at equilibrium: Foams are used for birth, life, and death as discussed by the authors, and foams have been used in many applications in the past few hundred years.

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400

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Visualizing 3D Time-Dependent Foam Simulation Data

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Citations

FoamVis, A Visualization System for Foam Research: Design and Implementation

Visualization of time-dependent foam simulation data

References

Density estimation for statistics and data analysis

The surface evolver

Density Estimation for Statistics and Data Analysis

Structure and Dynamics

Foams: Structure and Dynamics

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