deltaStar was not recomputed for the transition point after averaging solutions, leading to oscillations in the transition region. Test cases have been updated accordingly and deltaStar computation is now tested in the 2D subsonic test case

+ Refactor adjoint and api's

Change potential and mesh derivatives to analytical. Also changed the residuals computation of the viscous solver to the analytical expression instead of solving the linear system. This commit reduces the computational cost of the coupled adjoint methodology by a factor 4, at least.

Friction drag is now part of the implementation. The rhs of the adjoint system is updated and the test uses total drag. The adjoint test now uses the mesh update capability.

Added adjoint for AoA and mesh in 2D. Nodes indices are now passed to the BoundaryLayer object

Adjoint is not working because the delta star box is missing

Boundary layer c++ objects are created in python with swig and are manipulated by the interface. The initial condition of the viscous solver was changed. All test cases have been adapted. A decrease in the number of iterations is globally observed. Results are slightly improved especially for the RAE validation case.

Driver now computes the average position of the transition

DDicretization now throws a runtime error if the mesh size is < 2 elements.

Fixed API, dart interface and prevented segfault if the number of sections is not imposed correctly.

Contains 2D and 3D developements as well as the api.