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Residual vs. Round-off error

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Old   March 18, 2004, 23:58
Default Residual vs. Round-off error
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BK
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Hello everyone. My case is for Multi component, compressible, ,hypersonic, transient problem

After calcualtion, if I look at *.info file, there are a lot of warning like the following messages

*** WARNING #052 *** INITIAL RESIDUAL BELOW ROUND-OFF ERROR LIMIT SOLUTION ,EQ: SC2

*** WARNING #065 *** OUT OF BOUNDS VALUE -3.0246E+05 FOR SCALAR VARIABLE ENTH AT CELL 5. CORRECTIVE ACTION TAKEN

What do these messages mean? How do I sovle this problem, and reduce these warnings?
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