I wonder why the heat is concentrated on one part

When I ran the simulation, I found that the temperature in one part is high. I want to know what the problem is and how I can solve it.I’d appreciate your help.

[https://www.simscale.com/workbench/?pid=611680644533402175&rru=c38d5982-bb52-4b5f-9d70-79b0005df692&ci=5e1bffb0-3af9-4ecf-9142-b01b3b937238&mt=SIMULATION_RESULT&ct=SOLUTION_FIELD]

(heat transfer 2)

Hey cheonghak_t230,

Thanks for posting on the forum!

Could you share the project with support so we can take a look and get back to you?

Best,
Satvik

Yes, I shared it