air flow simulation

I'm looking for an expert to conduct an air flow simulation for a small, plastic ring with holes. I need the results to be displayed in the form of a basic visualization of the airflow. This simulation is necessary to analyze the airflow through the ring, in order to understand how it works. The simulation will be used for a small mechanical component, and detailed numerical data or advanced fluid dynamics modeling is not necessary. I'm looking for someone who is knowledgeable in airflow simulations and can accurately visualize the airflow through the ring.