QuantumATK Forum
QuantumATK => General Questions and Answers => Topic started by: camelluxin on October 21, 2011, 08:51
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Running 11.8, I encounter a warning:
################################################################################
# WARNING #
# #
# The computed multigrid residual is greater than the required accuracy. #
# #
# Computed residual : 8.88278e-006 #
# Required accuracy : 1.00000e-009 #
# #
################################################################################
What is the multigrid residual and how to set it?
Nothing happened when I run the same program by 11.2.
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Shouldn't really be something to worry about, but if you want to send use the system, we can have a look, and see if there is reason for concern.
We changed the multigrid method in 11.8, so that would explain the lack of message in 11.2.