Case Study: Belgian Building Research Institute improves vibration transmission predictions with Hexagon Actran

Actran helps improve predictions for room to room vibration transmission

The Belgian Building Research Institute (BBRI) faced the costly and time-consuming challenge of physically measuring vibration reduction in building materials, a key factor in meeting stringent acoustic standards. To validate a more accurate empirical formula they had developed, BBRI needed to simulate noise transmission across a wide range of wall properties, which was not feasible with traditional testing methods.

Using Hexagon's Actran software, BBRI accurately simulated and validated their new prediction model. The simulations correlated well with physical measurements and enabled a large-scale parametric study involving over 900 computations. This work by Hexagon confirmed that BBRI's new formula provides a superior method for predicting vibration transmission, ultimately reducing the need for expensive physical prototypes and tests during product development.

Belgian Building Research Institute

Charlotte Crispin

Head of Laboratory