How to increase the output precision for a variable? -- CFD Online Discussion Forums

April 19, 2013, 14:31	How to increase the output precision for a variable?	#1
ripperjack Member Jack Join Date: Dec 2011 Posts: 94 Rep Power: 14	Hi all, I am using OpenFOAM to simulate channel flows. I have a problem, and you guys can help me? Thanks. I specified a very small temperature difference on top and bottom walls (e.g. 300.005 at top and 299.995 at the bottom wall), it seems that the temperature precision is not enough because when I check the T output in the flow field, the results are just 300.004, 300.003, etc. But what I expect is more accurate T value, like 300.004142, 300.003125. I want to increase the precision of temperature, how can I do it? Regards

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