Residual vs. Round-off error -- CFD Online Discussion Forums

March 18, 2004, 22:58	Residual vs. Round-off error	#1
BK Guest Posts: n/a	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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