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June 17, 2024, 04:38
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NIST warning about density iteration
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#1 |
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New Member
Springyuu
Join Date: Nov 2019
Posts: 14
Rep Power: 7  |
Hi, I‘m trying to make a transient simulation of a compressible flow of helium. The NIST real gas model was used and the helium was in a single phase. The following warning always appears, but the calculation converged at every time step.
NIST Warning: density iteration has not converged 2 times. Has anyone encountered a similar situation? I wonder if this warning affects the results of calculations, or what can be done to improve the situation and eliminate this warning? thanks you! |
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June 18, 2024, 21:10
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#2 |
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Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,836
Rep Power: 68 |
Confirm that you are within the "valid" range covered by the NIST model
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