Could large grids expansion ratio cause larger numerical error? -- CFD Online Discussion Forums

May 4, 2013, 05:48	Could large grids expansion ratio cause larger numerical error?	#1
Anna Tian Senior Member Meimei Wang Join Date: Jul 2012 Posts: 494 Rep Power: 15	Hi, Large grids expansion ratio may make the convergence more difficult. I'm wondering could large expansion ratio also increase the numerical error if the same residual criteria target is reached? __________________ Best regards, Meimei Last edited by Anna Tian; May 5, 2013 at 12:01.

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