The perspective of innovative mobility, providing people convenient services using airspace above cities, requires new technologies to deliver safe, sustainable, and comfortable solutions. The possibility to extract transient rolling information using parallel computations, speeds-up the exchange of information between structural non-linear and acoustic simulation.įigure 3 - Tyre noise radiation - Horn Effects Visualisation Tyre manufacturers and ground transportation OEMs can better control the tyre geometry to be extracted from their transient rolling simulation to accurately account for horn effects and acoustic resonances in tyre treads. The Actran 2021 Virtual SEA innovative fluid-structure coupling implementation allows a x2 faster SEA model building for mid- and high-frequencies analyses assessing vehicle interior acoustic performances.įigure 2 - Actran SEA module - Key Metrics Furthermore, the new SEA solver implementation, distributing the workload based on the SEA model characteristics, allows a 50%-time reduction for parallel computations scenarios. Mid- and high-frequency models can now be built with limited efforts from the user thanks to a new solver-based approach automatically transforming existing Finite Elements models into SEA models based on the Actran Virtual SEA approach. All major functions required for both pre- and post-processing are at the user's fingertips while the viewport area is increased for better visualization and focus on the numerical model and results.Īutomotive manufacturers can address their NVH challenges in a more efficient way with a reduced time spent on the CAE model set-up. Concentrating all available functions into one location, the ribbon provides a complete and organized view of the available functions. With these improvements users will be able to build more efficiently accurate noise prediction models.Īcoustic CAE engineers can leverage the new design of Actran VI 2021 based on a ribbon approach to ease the acoustic model definition, and the post-processing of their numerical computations. Mont-Saint-Guibert, Belgium, Decem– Free Field Technologies, part of Hexagon’s Manufacturing Intelligence division, today announced the Actran 2021 suite comprising new acoustic, vibro-acoustic and aero-acoustic technologies wrapped into a redesigned Actran VI graphical user interface.
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