Showcase – More Applications

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Snow

PreonLab features highly effective data-structures and solvers to simulate water, oil, rigid-bodies and snow using Lagrangian formulations.

In PreonLab, snow is computed as an elasto-plastic continuous material, where the elastic part is solved implicitly. Different types of snow can be modeled ranging from chunky to powdery snow, from wet and adhesive to dry. Just like the Preon fluid solver, the snow solver can handle any imported geometries without meshing and offers competitive performance.

This opens a variety of interesting applications. For example, snow fall on a vehicle to optimize sensor locations for autonomous cars or the efficiency analysis of a snowplow.

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Non-Newtonian Fluids

Glue, paint, blood, pudding and honey are examples of non-Newtonian fluids for which viscosity is not constant but changes due to the shear applied.

PreonLab 3.3 extends the Preon solver to non-Netwonian fluids allowing for a wide range of new applications such as sealing or filling processes.

From setup to simulation and final rendering. All performed in one sweep within PreonLab.

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Static Mixer for Highly Viscous Fluids

PreonLab benefits from an implicit viscosity solver which imposes no restrictions on the timestep and, therefore, greatly improves the performance in simulating highly viscous flows. Static mixers have no moving components and utilize the energy of the flow stream for the mixing process.
The video shows the simulation of a mixing process where two streams of highly viscous flows pass through 7 single mixing units.
The scenario was set-up, simulated and visualized in PreonLab.

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Flood Simulation

Climate change is one of the most central problems of today’s mankind. With PreonLab it is possible to perform 3D flood simulation even for large domains in high resolution. Usually in this environment, engineers have to work with poor data representations of the surface which have usually been generated from point clouds and 3D scans. PreonLab robustly handles even poor mesh representations and is not relying on normalized mesh data. This makes PreonLab the right choice for CFD in environmental engineering.

The post-processing tools included in PreonLab enable the engineer to perform analysis on the wetting of surfaces or the pressure force performed on the rigid objects.

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Washing Machine

The simulation of home appliances of different kind is one of the many applications of PreonLab. The capability of PREONĀ® to handle arbitrary complex geometries and trajectories makes it the right tool for the simulation of, e.g. washing machines or dishwashers. Although the showcased simulation was performed for 60 physical seconds, the fluid volume is preserved throughout the whole simulation. The preprocessing took only one hour and the simulation was performed in 12 hours on a standard Intel computer.

The post-processing tools included in PreonLab enable the engineer to perform analysis on the wetting of surfaces or the pressure force performed on the rigid objects.

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