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Running Transient Solar Ray Tracing Problem for more than one day

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Old   March 23, 2023, 13:43
Question Running Transient Solar Ray Tracing Problem for more than one day
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Moe
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hi

I have set up a case with solar loading using Discrete ordinates radiation model.

running the simulation for 10 hours of the same day is done successfully no issues...

Now I am trying to run the simulation for more than one day, However the problem is that on the second day, the solar heat flux falling on the ground will be zero and stays at the same value... meaning the sun does not rise on the second day nor the following days ( it will rise and fall on the first day and stay at zero for the following days)

Looking online for solutions I found some people have the same issue and I tried suggested solutions but non of them actually worked.

if anyone got a similar experience, please tell me if there is a solution for this

much appreciated
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radiation do model, solar load, time step, transient 3d

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