 Diff of /trunk/doc/user/stokesflow.tex

revision 3290 by caltinay, Tue Oct 19 01:08:31 2010 UTC revision 3291 by caltinay, Thu Oct 21 00:37:42 2010 UTC
# Line 66  time-step size needs to be kept below a Line 66  time-step size needs to be kept below a
66  The Courant number is defined as:  The Courant number is defined as:
67  %  %
68  \begin{equation}  \begin{equation}
69  C = \frac{v \delta t}{h}.  C = \frac{v \delta t}{h}
70  \label{COURANT}  \label{COURANT}
71  \end{equation}  \end{equation}
72  %  %
# Line 91  This approach is called \textit{macro el Line 91  This approach is called \textit{macro el
91  needs to be applied to make sure that the discretized problem has a unique  needs to be applied to make sure that the discretized problem has a unique
92  solution, see~\cite{LBB} for details\footnote{Alternatively, one can use  solution, see~\cite{LBB} for details\footnote{Alternatively, one can use
93  second order elements for the velocity and first order elements for pressure  second order elements for the velocity and first order elements for pressure
94  on the same element. You may use \code{order=2} in \class{esys.finley.Rectangle}.}.  on the same element. You can set \code{order=2} in \class{esys.finley.Rectangle}.}.
95  The fact that pressure and velocity are represented in different ways is  The fact that pressure and velocity are represented in different ways is
96  expressed by  expressed by
97  \begin{python}  \begin{python}

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