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Messages - Riadh

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PyroSim / Re: Numerical instability
« on: April 20, 2015, 03:58:07 am »
Did you specify a natural outlet (an opening), you will need a pressure relief if you have a heat source.

PyroSim / Re: Velocity deviation
« on: April 20, 2015, 03:55:04 am »
You should refine the grid cells at the blow mouth of the jet fan, course grid lead to fast diffusion.
Try first moddeling a small domain + one jetfan with fine grid and analyse the output.
You can also play with the (Dynamic Smagorinsky turbulent viscosity), a good example of this is posted into Thunderhead Engineering website, see
Hoping this helps.

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