LMS Virtual.Lab Structural Noise Radiation is a simulation and optimization tool for controlling the noise radiated from vibrating structures, such as compressors, gearboxes, pumps, turbines, etc., that are excited through internal forces. Using this solution, engineers can quickly simulate and verify total sound power, gain more insight into the causes of noise problems and optimize the acoustic performance of designs before prototype testing.
The unique ATV (Acoustic Transfer Vector) technology allows to quickly analyze design variants and very efficiently deals with multi-regime calculations, which are crucial for an accurate noise signature simulation of rotating equipment.
Taking the dynamic loads on the structure and a set of structural modes as input, the surface vibrations are calculated for multiple load conditions. Based on these surface vibrations, the acoustic solvers calculate the total radiated noise and the sound pressure levels in pre-defined locations. An speed-increase of up to a factor of 100 can be obtained compared to conventional acoustic simulation methods. Using the ATV tool, a machinery noise signature can be simulated within a day rather than the weeks it used to take.
LMS Virtual.Lab Structural Noise Radiation includes the analysis of the radiated power through ISO 3744 meshes. Specialized visualization and analysis tools of the sound pressure levels give engineers an accurate insight in their design, allow them to quickly analyze a broad spectrum of design options and support them in meeting the required acoustic performance.
