X-Git-Url: https://permondes.de/gitweb/Analog_Engine.git/blobdiff_plain/48debccd2fb1ede90115dd471fae71b2761e1299..5696855722ffee5fe74137923409eeaf0c6cff24:/scripts/TP1%2009.26%20rope%20over%20table%20edge.LACE

diff --git a/scripts/TP1 09.26 rope over table edge.LACE b/scripts/TP1 09.26 rope over table edge.LACE
new file mode 100644
index 0000000..b4695cb
--- /dev/null
+++ b/scripts/TP1 09.26 rope over table edge.LACE	
@@ -0,0 +1,16 @@
+# a rope slides frictionlessly down the edge of a table
+# x'' = g/l * x
+
+coefficient(1): 1 -> x0'   # initial speed
+coefficient(2): -1 -> -x0  # initial length of rope already over the edge of the table
+coefficient(3): g/l        # gravity constant (g) divided by the length of the rope (l)
+
+iintegrate (x'') -> -x':
+   IC: x0'
+iintegrate (-x') -> x:
+   IC: -x0
+x * g/l -> g/l*x = x''
+
+# note: positive x-axis in the direction of the falling rope (so down)
+#       for visualization, -x is displayed
+invert (x) -> -x # goes to output x