I'm running external CFD simulations for a wind assessment. The modelled area is aprox 350x350 meters. The tallest building within the model is 90 meters high.
I have set a uniform grid with 2m cell spacing and length, width and height factors of 1.50, 1.50 and 1.50 respectively, which creates a large and dense grid.
Although I don't get a converged solution within the 5000 iterations, the resulting wind velocity completely stabilises after the ~3500 iterations, consequently I consider to get accurate available results.
However, my concern is the simulation time. It takes around 48-60 hours to reach the 5000 iterations per each simulation.
Has anyone run an external CFD analysis of that scale that can give feedback of relevant simulation time?
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