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August 22, 2007, 09:09 |
Solid Timescale Control
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#1 |
Guest
Posts: n/a
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Dear all,
I am modelling a solid-solid CHT model in CFX. It consists of an inner volume and an outer bounding volume. The inner volume is the source of heat and I want to see the heat transfer in the outer volume. I have specified the inner volume as source with the Total source value in Watts. After Performing a steady state calculation, I find that the temperature is very high than expected using a Auto Timescale in the Solid Timescale Control Tab. I did the calculation again with the following settings with different values of 1s, 10s and 50s Output control -> Solid Timescale Control -> Physical Timescale -> ___ These too gave a result far away from my expected results. This time, I tried the calculation agian with Output control -> Solid Timescale Control -> Physical Timescale -> 0.1 s Now the Temperature is very near to my expected values. 1. How could I come to a conclusion with my Physical Timescale for the solid? 2. What if in a new case, I don't know the expected temperature to compare with? Waiting for your replies....... Thank you. |
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