diff options
Diffstat (limited to 'fig/prandtl-boundary.tex')
| -rw-r--r-- | fig/prandtl-boundary.tex | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fig/prandtl-boundary.tex b/fig/prandtl-boundary.tex index 90e3657..2258b20 100644 --- a/fig/prandtl-boundary.tex +++ b/fig/prandtl-boundary.tex @@ -5,7 +5,8 @@ \pgfmathsetmacro{\vpos}{2} % block - \draw[fill] (\lpos,0) rectangle ++(\l,-.2); + %% needs \usetikzlibrary{patterns} + \draw[pattern=north west lines, thick] (\lpos,0) rectangle ++(\l,-.2); \draw[<->] (\lpos,-.4) -- node[midway, below] {\(\ell\)} ++(\l,0); % boundary line and area @@ -20,7 +21,7 @@ % height \pgfmathsetmacro{\h}{\k*sqrt(\l)} - \draw[<->] (\lpos,0) ++(\l,0) -- node[midway, right] {\(h\)} ++(0,\h); + \draw[<->] (\lpos,0) ++(\l,0) -- node[midway, right] {\(D_\text{l}\)} ++(0,\h); % velocity vectors \draw[dashed] (\vpos,0) -- ++(0,2); |