Potentials and Motion

[Analog_Engine.git] / scripts / TP1 10.30 Linear Molecule.LACE

diff --git a/scripts/TP1 10.30 Linear Molecule.LACE b/scripts/TP1 10.30 Linear Molecule.LACE
index fd9806ef03354df8d140cab41465dc612eb285b3..810dcc80d518d1ab23dfc8109aecf2c9c36c8ba0 100644 (file)
--- a/scripts/TP1 10.30 Linear Molecule.LACE
+++ b/scripts/TP1 10.30 Linear Molecule.LACE
@@ -7,35 +7,45 @@
 
 # NB: all integrators have to run with 100 nF capacitance, i.e. SLOW mode
 
-coefficient(1): omega0^2_1 # omega0^2 for s1
-coefficient(2): omega0^2_2 # omega0^2 for s2 # same as omega0^2_1
-coefficient(3): omega0^2_3 # omega0^2 for s3 # same as omega0^2_1
-coefficient(4): my
-coefficient(5): -1 -> -s1_0 # initial position of s1
-coefficient(6): -1 -> -s3_0 # initial position of s3
+# the following integrator has to be built up manually as THAT only has 5 integrators and we need 6
+# iintegrate -s2' -> s2
+define openamp (variable) -> result
+   isum (variable) -> result
+      connect (FB) -> GND
+
+define iintegrate6 (variable) -> integral
+   openamp variable -> integral
+      connect SJ -> cp
+   capacitor.100nF (integral) -> cp 
+# this capacitance requires SLOW settings on all other capacitors. Better use an external 1 nF capacitor.
+
+alias coefficient.1 -> coefficient.omega0^2_1 # omega0^2 for s1
+alias coefficient.2 -> coefficient.omega0^2_2 # omega0^2 for s2 # same as omega0^2_1
+alias coefficient.3 -> coefficient.omega0^2_3 # omega0^2 for s3 # same as omega0^2_1
+alias coefficient.4 -> coefficient.my
+coefficient.5 (-1) -> -s1_0 # initial position of s1
+coefficient.6 (-1) -> -s3_0 # initial position of s3
 # initial positon of s2, the central mass, is set to 0
 
 iintegrate -omega0^2_1*s1, omega0^2_2*s2 -> -s1'   # input is s1''
 iintegrate -s1' -> s1
    IC: -s1_0
 invert s1 -> -s1
--s1 * omega0^2_1 -> -omega0^2_1*s1
+coefficient.omega0^2_1 (-s1) -> -omega0^2_1*s1
 
 iintegrate -my*bracket -> -s2'   # input is s2''
-# the following integrator has to be built up manually as THAT only has 5 integrators and we need 6
-# iintegrate -s2' -> s2
-openamp -s2' -> s2
-  loopback: capacitor(100nF)
-s2 * omega0^2_2 -> omega0^2_2*s2
+iintegrate6 -s2' -> s2
+coefficient.omega0^2_2 (s2) -> omega0^2_2*s2
 isum -omega0^2_1*s1, omega0^2_2*s2, omega0^2_2*s2, -omega0^2_3*s3 -> -bracket
--bracket * my -> -my*bracket
+coefficient.my (-bracket) -> -my*bracket
 
 iintegrate omega0^2_2*s2, -omega0^2_3*s3 -> -s3'   # input is s3''
 iintegrate -s3' -> s3
   IC: -s3_0
 invert s3 -> -s3
--s3 * omega0^2_3 -> -omega0^2_3*s3
+coefficient.omega0^2_3 (-s3) -> -omega0^2_3*s3
+
+output s1 -> out.x
+output s2 -> out.y
+output s3 -> out.z
 
- output(x): s1
- output(y): s2
- output(z): s3