FORTRAN files
geom -> metrics computation.
phys -> primitives and viscosity computations.
borders -> boundary conditions.
lhs -> basic matrix-free inversion for implicit time-stepping method.
rhs -> spatial numerical scheme for residual computation.
prepro -> preprocessed files for Algorithmic Diffenrentiation (AD).
tangent -> linearised files computed by AD.
adjoint -> linearised files computed by AD in backward mode.
tangenttangentHess -> twice linearised files computed by AD (Hessian).
dz -> transverse contributions of the Jacobian operator.
tangentdz -> linearised transverse contributions.
misc/ComputeJacobian.f90 -> functions to construct the Jacobian (test-vectors and index ordering).