richardson extrapolation -- CFD Online Discussion Forums

March 8, 2013, 07:02	richardson extrapolation	#1
Puigar New Member Albert Puig Join Date: Jul 2012 Posts: 24 Rep Power: 13	hello! I am trying to get a value from an independence mesh test, and I was told to use richardson extrapolation. If I only have a table with mesh values and the force value. how do I do the extrapolation? I am not able to find suitable examples anywhere.. those are an example of the data. By eyesight I can guess that the value of F on N to infinite will be close to 1.42-1.415. But how I get the value analitically?? N 10 20 30 40 F 1.5984431 1.4780298 1.4446029 1.4293989 Thank you in advance Puigar

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