Yes I know that it is better suited for thin ships, but it says in the manual that it should be able to handle L/B of 5. I agree that 4.6 is not...
Herewith my input file.
Resistance (wave) is much too high.
Export from Delftship fails
For some reason the delftship output misses some variables. I can adjusts the input file afterwhich Michlet accepts...