Good afternoon everyone, could someone help me? I am working with porous media and I want to set a random porosity in my domain. I tried a DEFINE_PROFILE, but it calculates random values ​​for my porosity at each iteration, but I only want it to calculate the profile once and use it for the rest of the calculations. I tried creating a DEFINE_INIT, and I was able to initialize random values ​​and associate them with a UDS variable, but I can't associate these values ​​from the profile generated in the cell zone conditions. Does anyone have any ideas?

Motorcycles lose 20% of performance due to the poor Aerodynamics. The engine is the heart of motorcycle and heat ; it is an inevitable byproduct. Without proper thermal management, overheating can lead to : → Inefficiency → Performance loss → Mechanical failure Some cooling systems like liquid cooling, advanced radiators, and smart airflow channels help motorbikes dissipate heat efficiently. And when we talk about Aerodynamics, It's not just about achieving top speed. It's about : → Balance → Stability → Rider Efficiency Streamlined body designs reduce drag. And CFD helps in refining the shape for optimal airflow. But why do they matter? → Poor thermal management affects engine performance. → Poor Aerodynamics increase strain on the engine. → And when they both are combined they diminish fuel efficiency and rider comfort. When both systems work in harmony : → Motorcycles become more fuel efficient, stable at high speeds and resilient in demanding conditions. Video source : https://www.youtube.com/shorts/bXrVoKPK9rA

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