Discover the power of our cutting-edge aeroacoustics solver through an in-depth simulation of an automotive HVAC system. This showcase highlights our solver’s capabilities in accurately predicting airflow dynamics and noise propagation, enabling optimized design solutions for quieter and more efficient vehicle ventilation systems.

Instantaneous acoustic pressure (PA) visualized on the HVAC system and windshield. Color range represents the relative acoustic pressure with a range of 0.45 Pa.

Simulation Overview

  • Our solver provides high-fidelity simulations of HVAC systems, capturing:
    • Detailed airflow patterns within the system
    • Acoustic wave propagation and noise generation
    • Pressure and velocity distributions
    • Thermal interactions influencing overall performance

Using advanced computational fluid dynamics (CFD) and aeroacoustic modeling, we ensure precise and reliable results.

Key Features & Benefits

  • High-Resolution Visualization: Stunning simulation outputs provide clear insights into system performance.
  • Efficiency Optimization: Identify noise sources and improve HVAC design for quieter operation.
  • Scalable & Robust: Suitable for a range of applications, from concept design to final validation.
  • Seamless Integration: Compatible with industry-standard tools and workflows.
  • Surface Pressure Mapping: Acoustic pressure can be mapped to critical interior surfaces such as:
    • Windshield and dashboard
    • HVAC ducts and vents
    • Cabin sidewalls and ceiling panels

This allows engineers to pinpoint and mitigate regions of potential noise discomfort.

Results & Insights

The simulation results showcase complex flow structures, detailed acoustic behavior, and potential noise mitigation strategies. The insights gained allow engineers to fine-tune the system, improving comfort and efficiency while reducing noise levels.

See It in Action

Below, you’ll find images from our showcase simulation, demonstrating the solver’s ability to capture intricate airflow and acoustic phenomena.

Jets are visualized by an instantaneous velocity field mapped on the vortices detected by lambda2 criterion. Velocity values range from 0 m/s to 5 m/s.
Instantaneous velocity magnitude mapped on the instantaneous isosurfaces of vortices detected by lambda2 criterion. Values range from 0 m/s to 20 m/s.
Frequency filtered average acoustic pressure at 1500 Hz in a band of 100 Hz. Shape of the acoustic mode at this frequency range can be seen on the ducts. Acoustic pressure values range from 35 Pa to 50 Pa.