Hello,
I have understood your question as follows: "I drew the mesh in transient analysis and exported it to .msh format, then imported it to fluent to calculate the temperature, the number of temperature data of the final exported surface is not consistent with the number of surface data exported in transient, what is the problem?". Please correct me if I am wrong.
What do you mean by "number of temperature data of the final exported surface"? Could you please elaborate?
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