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ERROR: **** ZM_CONV IENTROPY: Tmix did not converge ****

M

mpb20@st-andrews_ac_uk

New Member
Hi all, I have been running a slab-ocean aquaplanet version of CESM1.2.2 with CAM4 physics on a 2 degree FV grid. The model runs fine with a slab ocean of depth 30m but fails after ~6 months for mixed-layer depths of 1m and 5m. The error message relates to the convection scheme (full log attached):ERROR: **** ZM_CONV IENTROPY: Tmix did not converge ****Others have had this issue, including Jie He with a very similar model setup. Following some suggestions on this forum I have tried halving the model timestep to dtime=900s but the model fails with the same error message. Any ideas for how to solve this issue?Cheers,Mike 
 
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