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Why i cannot monitor the velocity component residual

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Old   October 26, 2019, 00:51
Default Why i cannot monitor the velocity component residual
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i monitor the velocity in ControlDict ,the code is as folloes

#includeEtc "caseDicts/postProcessing/numerical/residuals.cfg"

fields (p_rgh k alpha.water U);

but the output residual.dat can't show the velocity residual

the Ux residual shows the N/A

what ie the reason? i need help

thanks
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Old   June 26, 2020, 07:24
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can you post an example from the residual file please what it looks like?
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Old   June 26, 2020, 12:39
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You can only plot residuals for velocities if you switch on momentum predictor.
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