Commit b1d000e4 authored by Olivier's avatar Olivier

Chapter 5: harmonize with chap 4, proof-read

* Calculation of forces come first. Moments are ditched
* Fixed notation of velocity components: either V_x or u, but not
  u_x
* Velocity-field guesses, which are the core method for the problem
  sheet, are now presented as a special case (just like fluid
  statics for pressure force calculations).
* Brief example added: Couette flow
parent 4fad4984
......@@ -66,6 +66,7 @@
%%%%
\subsection{Position of the pressure force}
\label{ch_position_pressure_force}
We are often interested not only in the \emph{magnitude} of the pressure force, but also its position. This position can be evaluated by calculating the magnitude of moment generated by the pressure forces about any chosen point X. This moment $\vec M_\text{X}$, using notation shown in \cref{fig_moment_forces_pressure_statics}, is expressed as:
\begin{IEEEeqnarray}{rCcCl}
......
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