f77_exact, a Fortran77 code which evaluates exact solutions to a few selected examples of ordinary differential equations (ODE) and partial differential equations (PDE).
These exact solutions can be used to test out the correctness of a solution algorithm.
The information on this web page is distributed under the MIT license.
f77_exact is available in a C version and a C++ version and a Fortran77 version and a MATLAB version and an Octave version and a Python version.
burgers_exact, a Fortran77 code which evaluates exact solutions of time-dependent 1D viscous Burgers equation.
navier_stokes_2d_exact, a Fortran77 code which evaluates an exact solution to the incompressible time-dependent Navier-Stokes equations (NSE) over an arbitrary domain in 2D.
navier_stokes_3d_exact, a Fortran77 code which evaluates an exact solution to the incompressible time-dependent Navier-Stokes equations (NSE) over an arbitrary domain in 3D.
spiral_exact, a Fortran77 code which computes a 2D velocity vector field that is an exact solution of the continuity equation.
stokes_2d_exact, a Fortran77 code which evaluates exact solutions to the incompressible steady Stokes equations over the unit square in 2D.