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Why the thermal stress changed over time with the temperature was keeping the same?
Posted 2011年8月10日 GMT-4 22:03 1 Reply
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The details as follow:
Attach file gives the thermal stress and the temperature changed over time at the same point.
Figure 1: thermal stress over time
Figure 2: temperature over time
I don't know why Figure 2 is a line, but Figure 1 is a curve with some pulsation.
thermal stress=alpha*(T-Tref), alpha and Tref are both constants, if T is keeping constant, why the thermal stress changed?
Thank you very much! Any advice is appreciated!
Yajuan
Attach file gives the thermal stress and the temperature changed over time at the same point.
Figure 1: thermal stress over time
Figure 2: temperature over time
I don't know why Figure 2 is a line, but Figure 1 is a curve with some pulsation.
thermal stress=alpha*(T-Tref), alpha and Tref are both constants, if T is keeping constant, why the thermal stress changed?
Thank you very much! Any advice is appreciated!
Yajuan
Attachments:
1 Reply Last Post 2011年8月11日 GMT-4 01:10
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Posted:
1 decade ago
But the thermal stress doesn't change : 49MPa. Look the axis.