Aspects of the discrete adjoint equation approach and boundary treatment suitable for general purpose flow solvers

On the adjoint solution of the quasi-1D Euler equations: the effect of boundary conditions and the numerical flux function

Comparison of two adjoint equation approaches with respect to boundary-condition treatments for the quasi-1D Euler equations

Comparison of two Adjoint Equation Approaches with respect to Boundary-Condition Treatment for the Quasi-1D Euler Equations

Improved Capturing of Contact Discontinuities for Two-Fluid Flows