res describing the following:</p><ul><li>Grid (<code>Grid</code>): contains information on the discretization of the model domain (e.g. number of grid cells, grid spacing etc)</li><li>Physical parameters (<code>Params</code>): contains physical parameters (e.g. density of the ice)</li><li>Solver parameters (<code>SolverParams</code>): contains parameters relating to the velocity solver (e.g. maximum number of iterations)</li><li>Initial conditions (<code>InitialConditions</code>): stores initial conditions 