Improved airbag performance and noise, vibrations & harshness in new VPS.
VPS durability assessment. Applies load conditions and manufacturing history for more reliable results.
Recently, ESI Group announced the latest version of their Virtual Performance Solution (VPS) simulation software. In the past, VPS has helped engineers predict crash results and various other vehicle prototyping experiments; while this latest version will have modules to assess both airbag performance and noise, vibrations & harshness (NVH).
For the simulation of airbag performance, VPS now includes finite pointset methods. This will allow for the simulation of turbulent gas flow as often seen in complex systems like curtain airbags.
Additionally, a new evaluation method for random responses allows for better prediction of how roads and conditions affect performance and NVH. Furthermore, new non-linear transient implicit calculations allow for better strength simulations.
VPS allows for the coupling of multiphysics (a new simulation standard), and distributed memory processing allows for a reduced processing time of 20-30% by alternating executions per model. This will ensure more accurate results and allow engineers to fail faster – improving the iterative design process during the early stages.
VPS has also created a new adhesive bonding type; one that should increase the precision of the modeling and therefore the precision of the results.
The virtual tests VPS can perform include: crash, high velocity impact, durability, occupant safety, structural stiffness and strength, NVH, comfort, durability, and interior acoustics.
Simulation allows for companies to reduce the need for physical testing, saving time and money. The simulations will help increase passenger safety while maintaining car manufacturers’ yearly release schedules.
VPS allows simulation specialists from around the world to work on perfecting the same design thanks to common core models. Features allowing engineers to work on the same project synchronously by cloud, version management, or some other tool is becoming popular in the simulation world. As each team is now working on the same model, collaboration and development will improve.
Source and images from ESI Group.
