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Hello,developers.I used cfd-dem to calculate my case, but the result of the calculation gave an error.In my case, the particles warm up and then the particles transfer heat to the fluid, but the result at 0.78s shows that the fluid temperature reaches 974.1K at a certain point of the grid, but the maximum temperature of the particles is 782.3K, which does not correspond to the actual situation.
I then derived the heat transfer between the particles and the fluid, which showed that the heat transfer between the fluid and the particles was positive and negative over a period of time.But my calculation does not report an error and is still running.
How to avoid this mistake?
2_umf_2022-11-22T050642.105904.zip (9.9 MB)
BACK_GROUND.zip (90.6 KB)