Rathmann and Ditlevsen (2016) helical shell model of turbulence (http://arxiv.org/abs/1602.02553) If you have questions or are experiencing any problems, please contact rathmann@nbi.ku.dk. Files contained: main.f90 (Main fortran 90 program) shellmodels_template.f90 (Shell model definitions (empty containers) to be filled out by the custom pre-compiler setup.pl) dump.f90 (NetCDF libraries) setup.f90 (Custom pre-compiler) Makefile (Makefile for compiling model)