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forced exit from rosenbrock due to the following error: step size too small

Naser

Member
Hello
I tried to run WRF-chem with 2 nested domains: 3km and 1km. Based on the model resolution, I tested several time steps. But still, I could not run the model successfully. I have seen several kinds of errors. When I increase my time step, I will see this error "rsl.error". Once I decrease the time step, I will see "rsl.out".
I don't know, and I am confused about what time step is appropriate. and why I can not run the model.
in the attachments, you will find my namelist and other files.

I would appreciate that if you could help me. This is an urgent problem.
Thanks
 

Attachments

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