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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” →

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” →

PreonLab Updates

Article: PreonLab as an evolutionary leap

  • October 2, 2019October 2, 2019
  • by Jens Cornelis

Our customer Merkle & Partner expressed a great compliment about PreonLab in the German journal ‘Konstruktion & Entwicklung’. With our simulation software PreonLab “an evolutionary leap could be achieved compared to conventional CFD methods”, states Merkle & Partner. By adding our software to their simulation toolbox ‘Merkle & Partner Öl-Sim’, the company now receives the requested results after a brief period of time.

Read more “Article: PreonLab as an evolutionary leap” →

PreonLab Updates

PreonLab 4.0 Released

  • September 23, 2019September 23, 2019
  • by Thomas Konrat

We are very excited to announce the release of PreonLab 4.0. This major release expands, improves, and accelerates the core capabilities of PreonLab, highlighted by the following features:

  • Snow solver: PreonLab continues to push the boundaries of particle-based simulations with the introduction of a semi-implicit snow solver.
  • More accurate fluid solver: The updated Preon solver is able to capture even more phenomena and requires less parameter calibration.
  • Implicit thermodynamics solver: The thermodynamics solver now supports much larger timesteps via implicit integration, greatly improving performance.
  • Local fluid refinement (experimental): It is now possible to use two particle sizes in the same simulation, reducing computation time and the amount of generated particle data.
  • Read more “PreonLab 4.0 Released” →

PreonLab Updates

PreonLab 3.3 Released

  • April 23, 2019April 23, 2019
  • by Marc Gissler

PreonLab 3.3 represents the final 3.x release and we are very excited to share it with you. Here is a selection of the most notable new features and improvements:

  • Non-Newtonian fluids: For the first time, the Preon Solver supports the simulation of non-Newtonian fluids.
  • Improved car suspension model: The improved car suspension model now simulates vehicle suspension due to fluid interaction more accurately and supports user-defined spring constants.
  • Improved efficiency: PreonLab 3.3 includes an optimized geometry handling that improves performance, cuts down loading times and reduces memory consumption
  • “Experimental” mode: The experimental mode exposes selected features currently in development to all users who wish to try them out

Read more “PreonLab 3.3 Released” →

PreonLab Updates

PreonLab 3.2 Released

  • November 21, 2018March 22, 2019
  • by Marc Gissler

PreonLab 3.2 is here! Besides numerous smaller improvements, this release also includes major innovations that open up new applications and new workflows:

  • Implicit viscosity solver: The new (optional) solver is capable of simulating highly viscous fluids at large timesteps and superior performance.
  • Optimized post-processing: PreonLab 3.2 greatly reduces the system requirements for post-processing and improves overall responsiveness of the user interface for large scenes.
  • Keyframe spline interpolation: The new interpolation method significantly reduces the effort to generate smooth interpolation between keyframes and makes defining kinematics even easier than before.
  • Unified Area source with cone support: All two-dimensional fluid sources are now unified into one. The new versatile Area source also introduces a conical emission shape.

Read more “PreonLab 3.2 Released” →

PreonLab Updates

PreonLab 3.1 Released

  • August 7, 2018March 22, 2019
  • by Jens Cornelis

We are proud to anounce the release of PreonLab 3.1. Without further ado, here is why you want to update to PreonLab 3.1 as soon as possible:

  • New viscosity model: The new default viscosity model combines the strengths of the different previous models into one and delivers realistic results on all resolution scales.
  • New rigid body solver: The new experimental solver brings key ideas behind the PREON fluid solver to rigid body dynamics.
  • Improved renderer: Preon renderer now supports a wide range of materials like steel, rubber or glass.
  • Improved thermodynamics solver: Added MPI support, resolution-independent diffusion model and better free-surface handling.
  • Improved usability: PreonLab has never been more fun to use.

Please note that with PreonLab 3.1, we have updated our toolchain and now provide unified binaries for Linux distributions.
Read more “PreonLab 3.1 Released” →

PreonLab Updates

PreonLab 3.0 Released

  • April 27, 2018March 22, 2019
  • by Marc Gissler

PreonLab 3.0 released

Three years ago, FIFTY2 was founded under the premise to bring the revolutionary PREON® fluid solver from university to industry. Today, this dream has become reality – PreonLab has found adoption by engineers around the world. Now, it is time to look ahead and open up PreonLab for more applications. PreonLab 3.0 is by far the most transformative update yet and we couldn’t be more excited to share it with you.

An extract from the extensive list of new features in PreonLab 3.0:

  • Distributed computation: PreonLab becomes MPI capable – use clusters for even faster simulation results.
  • Additional simulation capability: add thermodynamics and evaporation models to your simulation.
  • Improved water wading simulation: increased reliability by taking into account the vehicle suspension.
  • Improved workflow: an entirely redesigned Playback and Simulation control and improved connection editor improves the workflow.

Read more “PreonLab 3.0 Released” →

PreonLab Updates

PreonLab 2.3 Released

  • December 14, 2017March 22, 2019
  • by Marc Gissler

PreonLab 2.3 released

It has been a great year for PreonLab – what better way to celebrate than by releasing a new version? PreonLab 2.3 marks the final update before the next major version and brings more powerful post-processing, improved usability and many refinements, addressing some of your most pressing feedback. Some of the most prominent new features are:

  • Sensor mesh:: Measure fluid attributes on arbitrarily shaped surfaces.
  • Improved usability: A redesigned message area and cleaned-up on-screen-display.
  • Better rain source: Rain drops with randomly varying diameters.

Read more “PreonLab 2.3 Released” →

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