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FFT mesh

Posted: Fri Jul 20, 2007 10:31 am
by saswata
Can you please tell me a bit details regarding choosing the value for NGX,NGY,NGZ?Everytime I make a run I get an error called "wrap around error must be expected" and with some instruction to set NGX(Y,Z).What is the prescription to set these values?

FFT mesh

Posted: Fri Jul 27, 2007 11:49 am
by admin
this is not an error, just an indication that the basis set might not be large enough to get accurate results.