Hi, nI am trying to do a macro, from a time point of view, simulation using the Solar Load Model. I am doing thermal research for the SWGO (Southern Wide-field Gamma-ray Observatory) and I want to simulate a water tank for about a month in 15 minute time steps using the solar load and see if the water freezes. I already have some UDF for real data I have, but once I pass midnight Fluent starts asking me to fix the hour. Is there any way for fluent to do that on its own or even using some UDF? Doing this with journal files is not a great solution for me as I already have user-defined values for the sun intensity, ambient temperature, heat coefficients, etc.nI was really thinking Fluent would be able to do solar load update on its own.nThank you in AdvancenBest RegardsnPlamenn