Hello,
I've recently been trying to run a transient simulation of a system with Fluent's solar ray tracing. I've been running into issues as to get proper results I need the simulation to go on for more than 48 hours. For some reason, after the first 24 hours of a Fluent simulation, the sun doesn't rise again. That is, from the 24th-hour onwards, solar flux is always 0. If anyone knows how to fix this let me know.
I understand that it should be possible to use a piece of software such as SolTrace to get the solar boundary conditions and then apply these to my transient simulations. Unfortunately, I cannot understand how to do this at all and I can't find any guidance online. I'm relatively new to Fluent so if someone could point me to a helpful source or give me an explanation I would be very grateful.
I'm also open to other solutions if people have had similar problems.
Thanks!
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