Showcase – Raining

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Airflow Coupling

This sprinkling simulation is an example of some of the major advantages of PreonLab. The setup and preprocessing for a complicated simulation like this only takes 30 minutes for a PreonLab user. The wiper movement is imported from MSC Adams data and the fluid is coupled to an imported airflow field that has been simulated with Star CCM+.

The simulation of 20 physical seconds is performed within 12 hours on a standard Intel computer. The video shows a comparison of the same setup with and without the precomputed airflow field.

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Sprinkling Simulation

Fully dynamic sprinkling simulation considering imported air flow velocities caused by the airstream of the moving vehicle. Additionally, the wiper activity is considered making this an example of a real world approximation of a vehicle driving in extensive rain.

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Validation of a Sprinkling Simulation with PreonLab

The Chair of Automobile Engineering at the TU Dresden is investigating and developing a tool chain for virtual water management for the automotive industry. Multiple simulation tools were evaluated for the task of predicting water paths on a car door. PreonLab compared favorably against other evaluated tools in terms of validated results, performance and usability:

TU Dresden -Sprinkling

The study was conducted by Daniel Wickert as part of his diploma thesis and was supported by Daimler AG.