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how to set "free-slip walls on the north and south boundaries"


New member
To use free-slip walls on the north and south boundaries is mentioned in Nolan's paper(Evaluating Environmental Favorableness for Tropical Cyclone Development with the Method of Point-Downscaling). I wonder how to set these in idealized WRF simulations, because I am just knowing periodic, open and symmetric boundary conditions on X and Y direction on namelist.input file.
Unfortunately we cannot explore specific methods employed in various papers. Please contact the author for detailed information.
Dear Ming,

Thank you for your comment! I also wonder when I want to change native boundary conditions, which module code should be selected.