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PreonLab Updates

The Next Level: Getting the Same Result 8x Faster

  • March 16, 2021March 17, 2021
  • by Lisa-Marie Baier

Authors: Andreas Henne, Max Flamm

In the previous article, we showed that a simulation with two particle levels can accurately reproduce the results of a simulation with higher uniform resolution. But delivering a good result is not enough – for the system to be useful it must also deliver this result faster than the uniform simulation. The adaptive simulation will always have fewer particles, but this does not necessarily mean that it will be more efficient overall. Splitting, merging and correction (see the last article) represent a significant effort and can outweigh the reduction in particles. Is the cost worth it?

Read more “The Next Level: Getting the Same Result 8x Faster” →

PreonLab Updates

The Next Level: Adaptive Particle-based Simulation in PreonLab

  • March 9, 2021March 16, 2021
  • by Thomas Konrat

Authors: Andreas Henne, Stefan Karch, Saba Golshaahi Sumesaraayi

Particle-based fluid simulation methods such as implicit SPH have many advantages over Eulerian grid-based methods. You can read all about it here.
One advantage that Eulerian approaches still enjoy over most particle-based solvers is the ability to model fluid adaptively. By using finer cells in regions of interest and coarser cells in others, an adaptive mesh can reduce computational effort by several orders of magnitude. If multiple levels of detail are so clearly beneficial, why are they still relatively rare for most particle-based solvers? Read more “The Next Level: Adaptive Particle-based Simulation in PreonLab” →

PreonLab Updates

PreonLab 4.3 Released

  • November 2, 2020November 2, 2020
  • by Lisa-Marie Baier

With PreonLab 4.3 we have just released the last update for our 4.x lifecycle. This release is again packed with great new features that will help you to enjoy your daily work with PreonLab even more:

      • Keyframe Looping: This will lift keyframing to the next level. Keyframe looping makes defining recurring motion a pleasure.
      • Volume Source: In PreonLab 4.3 you can now specify the exact amount of fluid that needs to be generated inside a geometry. The improved Volume Source will do exactly what you tell it to do.
      • Performance: We have improved the scalability of some components that previously didn’t perform optimally with many cores and many MPI nodes. Most notably, this includes local refinement, multiphase simulations, the snow solver and the implicit viscosity solver.
      • Usability: We turned searching statistics in the Plot Dialog from beast to beauty and added the ability to choose for the unit of a specific statistic. You will also enjoy the improved workflow when selecting multiple objects in the Property Editor.
      • Snow Solver: Presets ahead! With the new snow presets you can choose from several different snow variants. Furthermore we have been working on the performance of the snow solver – make sure you fastened your seatbelt.

Furthermore, PreonLab 4.3 also introduces improvements of the Airflow import, the Car supension model, the Heat Flux sensor and many more. Check the changelog for a comprehensive list of all the great stuff you can expect from PreonLab 4.3.

Read more “PreonLab 4.3 Released” →

PreonLab Updates

PreonLab 4.2 Released

  • May 28, 2020May 29, 2020
  • by Marc Gissler

We are excited to announce the release of PreonLab 4.2 – the answer to life, the universe and everything! It also contains many new or improved features that will help you to find answers to your more specific CFD-related questions:

      • Mesh-based height sensor: The new sensor measures the height of fluid (or snow) above surfaces.
      • Improved user interface: With updates to the connection editor, the scene inspector and the on-screen display, PreonLab 4.2 looks and feels better than ever.
      • Optimized local refinement: Better performance and the introduction of user-defined domain shapes facilitate the acceleration of even more applications with local refinement.
      • Improved volume source: Improved volume source: The volume source now fills more accurately, minimizing artificial movements after the initialization.

Furthermore, PreonLab 4.2 also improves the snow solver, adds the Herschel-Bulkley viscosity model for non-Newtonian fluids, enhances the car suspension model, accelerates performance in scenes with large geometries, introduces new rendering capabilities, reduces memory consumption and improves the airflow import.

Read more “PreonLab 4.2 Released” →

FIFTY2 News

Water Management at Audi with PreonLab

  • February 19, 2020February 20, 2020
  • by Lisa-Marie Baier

The automotive world is changing. In order to keep up with the challenges faced in the context of digitalization, Audi established the simulation of water in the development process.

Read more “Water Management at Audi with PreonLab” →

PreonLab Updates

PreonLab 4.1 Released

  • January 17, 2020
  • by Thomas Konrat

2019 has been an extraordinary year for PreonLab. Probably the most exciting part was seeing the results that you achieved in your respective fields. Let’s push the boundaries of simulation further in 2020!

We’re kicking off the new year with the release of PreonLab 4.1, which expands and improves the features introduced in 4.0. The most notable changes include:

      • Improved local refinement: Local refinement is no longer an experimental feature and is now available for all users.
      • Preonpy sensor interface: It is now possible to access per-sample sensor data in preonpy, which allows for more powerful and customized post-processing.
      • Improved property editor: With physical units everywhere, better keyframing integration and many fixes, PreonLab 4.1 delivers a more reliable and productive user experience.
      • Improved snow solver: The snow solver is now more robust and efficient.

Read more “PreonLab 4.1 Released” →

FIFTY2 News

Renault Validation: Leakage Simulation

  • December 11, 2019December 11, 2019
  • by Lisa-Marie Baier

PreonLab is successfully employed by Renault to validate and improve heat shield designs which guarantee that no flammable liquid gets in contact with hot parts of the engine. Testing on a real prototype is difficult since first the leakage itself has to be reproduced and secondly, hot liquids may be dangerous.

Read more “Renault Validation: Leakage Simulation” →

FIFTY2 News

Schaeffler Customer Success Story: Shorter Development Cycles Through Virtual…

  • December 9, 2019February 17, 2020
  • by Lisa-Marie Baier

Thanks to the electrification of the powertrain, innovation in the automotive industry is happening faster than ever. Short time to market for electric vehicles (EVs) and hybrid vehicles (HEVs) is one key to be successful for OEMs and tier 1 suppliers.

Read more “Schaeffler Customer Success Story: Shorter Development Cycles Through Virtual Prototyping” →

Events

Save the Date for PreonDay 2020

  • November 13, 2019November 13, 2019
  • by Lisa-Marie Baier
March 16th-17th, 2020
Motorworld Böblingen, Germany
FIFTY2 Technology GmbH and AVL Deutschland GmbH welcome you to the first PreonDay Germany

Read more “Save the Date for PreonDay 2020” →

FIFTY2 News

Water Wading at Volvo Cars with PreonLab

  • November 7, 2019October 14, 2020
  • by Lisa-Marie Baier

These are challenging and exciting times for the automotive industry. In 2020 the current EU regulations that set CO2 emissions standards for cars and vans will be replaced with stricter targets to be met by 2025, so innovative solutions are necessary to secure high mobility comfort at low emission rates. Our customer Volvo Car Corporation aims to have 50% of their annual sales come from fully electric vehicles.

Read more “Water Wading at Volvo Cars with PreonLab” →

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Recent Posts

  • The Next Level: Getting the Same Result 8x Faster
  • The Next Level: Adaptive Particle-based Simulation in PreonLab
  • PreonLab 4.3 Released
  • PreonLab 4.2 Released
  • Water Management at Audi with PreonLab

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