A follow-up for three dimensions is released as a LaTeX document:
Related Q & A at Mathematics Stack Exchange ( MSE ) :
What is the difference between Finite Difference Methods, Finite Element Methods and Finite Volume Methods for solving PDEs?
02, 08, 11 - 13, 42, 43 replaced by
a MathJax document
& executable.
How everything has been done:
sources & binary
ZIPped
together.
Also a visualization of the basic ideas, which meanwhile have been
adopted by Gerard Westendorp as well
Related Q & A at Mathematics Stack Exchange ( MSE ) :
What is the difference between Finite Difference Methods, Finite Element Methods and Finite Volume Methods for solving PDEs?
Boundary conditions for 2D navier stokes equation (incompressible, stationary)
Any employment for the Varignon parallelogram?
18 - 22, 24 - 30 etc. replaced by a
PDF document, and its
source
Generalization: Numerical Method for 3D Ideal Flow ( errata
+ source )
Replaced by a Delphi version.
Mathematics Stack Exchange ( MSE offline) : Intermediate Heat Exchanger
Resistor Models for Diffusion in 3-D
and as a PDF document
(replaced by PDF
documents ; see also: "zonwind")
Applied as: Numerical Method for 3D Ideal Flow
(I wasn't aware at that time that this would be the foreplay of
a far
more elaborate theory, called MultiGrid Calculus).
Corrected theory and practice implemented as a
Delphi (Pascal) program.