LMS Releases Latest Acoustics Simulation Software

LMS has released the latest version of its Virtual.Lab Acoustics simulation software. Featuring solutions designed specifically for challenging acoustic problems, the latest release of LMS Virtual.Lab Acoustics includes ray tracing for high-frequency acoustics and time-domain BEM, a new time-based method for acoustic problem solving. A core development focus has been to expand the FEM acoustic solver so that it can handle huge industrial tasks, including large noise radiation problems.

This is possible thanks to the Perfectly Matched Layer (PML) technique, which reduces the number of required elements to solve noise radiation problems more efficiently. Other critical work has occurred in the area of LMS's BEM technology, with the addition of a time-domain BEM solver, allowing acoustic engineers to do realistic simulations and gain more insight into time-related acoustic issues. The new inverse numerical acoustics solution helps determine realistic vibration sources for better noise and vibration system optimisation. LMS has also added the patented Acoustic Transfer Vector (ATV) technology to the Fast Multiple BEM (FMBEM) solver.

With LMS's new ray tracing technology integrated in LMS Virtual.Lab Rev 9, acoustic engineers will be able to handle the full audible frequency range, including sound system optimisation in aircraft, train or vehicle interiors. Enhanced for aero-acoustic engineers, LMS Virtual.Lab Aero-Acoustics Rev 9 includes a variety of new features, such as conservative mapping for more accurate predictions, CFD-based quadruples noise sources and improved fan formulation to provide more ways to address flow-induced noise.

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