[Mesa-users] Issues finding acceptable model when rezoning model

Ewen Francis MacKenzie Whyte efmackenziewhyte at mta.ca
Fri May 23 11:14:06 UTC 2025


Hello all,

I am trying to adjust the delta_mesh_coeff on loading a saved model. The goal is to drop the coefficient in order to resolve more zones. I had it set to 1.0d0 and I was only able to drop it to about 0.8 before I encountered my error. The error is the typical dt < min_timestep_limit, stopping because cannot find acceptable model. For reference, my timestep is set very low for the purposes of this simulation (8.76 hours).

Has anyone had a run-in with this issue before?
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