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-rw-r--r--fig/bernoulli.tex42
1 files changed, 42 insertions, 0 deletions
diff --git a/fig/bernoulli.tex b/fig/bernoulli.tex
new file mode 100644
index 0000000..4f1916f
--- /dev/null
+++ b/fig/bernoulli.tex
@@ -0,0 +1,42 @@
+\begin{tikzpicture}
+ % axis
+ % \draw[->] (-1.5,-1.5) to ++(0,5) node[anchor=south] {\(y\)};
+ \draw[->] (-1,-1) to (8.5,-1) node[anchor=west] {\(x\)};
+
+ % tube lines
+ \draw[] (0,2) to (1,2) to[out=0, in=180] (6,3) to (7,3);
+ \draw[] (0,0) to (1,0) to[out=0, in=180] (6,2) to (7,2);
+
+ % opening ellipse for A1
+ \draw[blue!10, fill=blue!10] (0,.025) rectangle ++(.75,1.95);
+ \draw[fill=blue!10] (0,1) ellipse (.3 and 1);
+ % ellipse
+ \draw[dashed, fill=blue!10] (.75,1) ellipse (.3 and 1);
+ % closing ellipse
+ \draw[fill=blue!10] (7,2.5) ellipse (.2 and .5);
+ %% hide half of the ellipse and make dashed
+ \draw[blue!10, fill=blue!10] (6,2.025) rectangle ++(1,.95);
+ \draw[dashed] (7,2.5) ellipse (.2 and .5);
+ % ellipse for A2
+ \draw[dashed, fill=blue!10] (6,2.5) ellipse (.2 and .5);
+
+ % vectors
+ \draw[thick, ->] (-1,1) to node[near start, above, anchor=south] {\(v_1\)} ++(1,0) ;
+ \draw[thick, ->] (5,2.5) to node[near start, below, anchor=north] {\(v_2\)} ++(1,0) ;
+
+ % heights
+ \draw[dotted] (0,1) to (2,1);
+ \draw[->] (1.5,-1) to node[pos=.3, anchor=west, right] {\(h_1\)} (1.5,1);
+
+ \draw[dotted] (6,2.5) to (8,2.5);
+ \draw[->] (7.5,-1) to node[pos=.5, anchor=west, right] {\(h_2\)} (7.5,2.5);
+
+ % areas
+ \draw[thick, blue] (0,.4) to [out=180, in=30] node[at end, anchor=east] {\(A_1\)} ++(-.5,-.4);
+ \draw[thick, blue] (6,2.2) to [out=210, in=80] node[at end, below, anchor=north] {\(A_1\)} ++(-.5,-.5);
+
+ % other symbols
+ \node at (3,1.5) {\(\varrho\)};
+ \node at (-.7,2) {\(p_1\)};
+ \node at (7.5,3) {\(p_2\)};
+\end{tikzpicture}