Actran DGM

Actran DGM solves the linearized Euler equations using discontinuous finite elements and is used for predicting the noise propagation in complex physical conditions. It is particularly well suited to solving aero-acoustic problems at the exhaust of a double flux aero-engine, including effects such as propagation through strong shear layers, high temperature gradients and non-homentropic mean flows.

Thanks to its high scalability and thanks to the GPU acceleration, Actran DGM can efficiently solve acoustic propagation at high frequency or in huge domains. Problems of hundreds of millions of degrees of freedom can now be solved on workstations equipped by GPUs within few hours.

Sample Applications:

• Exhaust of turbomachines
• Full truck cabin exterior acoustics
• Ultrasonic parking sensors