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ESI Group Releases VA One 2007 for Vibro-Acoustic Analysis and Design

ESI Group have announced the release of VA One 2007. VA One is the next generation of ESI Group's vibro-acoustic analysis software and provides a complete solution for simulating the response of vibro-acoustic systems across the entire frequency range. The software enables optimal noise and vibration performance to be accounted for at the design stage, and ensures that noise and vibration specifications can be met without adding extra cost and weight.

“VA One is a real leap forward when it comes to acoustical modeling technologies and is likely to set the standard for industrial computational acoustics of large structures for the future. The innovative integration of finite elements (FE) and statistical energy analysis (SEA) methods within one model allows the user to solve problems that cannot be addressed by applying SEA or FE methods separately,” says Ulf Orrenius, seniors specialist of acoustics and vibration at Bombardier Transportation.

VA One seamlessly integrates AutoSEA2, the industry-standard software for mid- and high-frequency noise and vibration analysis, and Rayon, a proven solver for low-frequency vibro-acoustic analysis. In addition, VA One contains patented technology for rigorously coupling the finite element method (FEM), the boundary element method (BEM) and SEA in a single analysis. VA One is the only simulation solution on the market that covers the complete spectrum of vibro-acoustic analysis in one easy-to-use environment.

“This new release of VA One significantly enhances the performance of our core solvers and expands the types of problems that can be addressed with vibro-acoustic simulation. The new functionalities will enable our users to create more realistic models of noise and vibration performance and improve productivity by reducing the time spent creating and solving models,” says Phil Shorter, director of VA product operations at ESI Group.

The VA One 2007 release contains 35 major enhancements including faster solution times for SEA and BEM models, support for the Windows Vista and Linux operating systems, and new functionality for creating fast and accurate models of grommets, leaks, apertures, and grillages.


Date: October 10, 2007