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-rw-r--r--evaluator/inertia.py66
1 files changed, 0 insertions, 66 deletions
diff --git a/evaluator/inertia.py b/evaluator/inertia.py
deleted file mode 100644
index f047766..0000000
--- a/evaluator/inertia.py
+++ /dev/null
@@ -1,66 +0,0 @@
-def get_centroid(aircraft):
- """Return the coordinates of the centroid."""
- # stringer_area = aircraft.wing.stringers.area
- # cap_area = aircraft.wing.spars.cap_area
-
- # TODO: Fix this
- # caps_x = [value for spar in aircraft.wing.spars.x for value in spar]
- # caps_z = [value for spar in aircraft.wing.spars.z for value in spar]
- # stringers_x = aircraft.wing.stringers.x
- # stringers_z = aircraft.wing.stringers.z
-
- # denominator = float(
- # len(caps_x) * cap_area + len(stringers_x) * stringer_area)
-
- # centroid_x = float(
- # sum([x * cap_area
- # for x in caps_x]) + sum([x * stringer_area for x in stringers_x]))
- # centroid_x = centroid_x / denominator
-
- # centroid_z = float(
- # sum([z * cap_area
- # for z in caps_z]) + sum([z * stringer_area for z in stringers_z]))
- # centroid_z = centroid_z / denominator
-
- # return (centroid_x, centroid_z)
- return (200, 420)
-
-
-def get_inertia_terms(self):
- """Obtain all inertia terms."""
- stringer_area = self.stringer.area
- cap_area = self.spar.cap_area
-
- # Adds upper and lower components' coordinates to list
- x_stringers = self.stringer.x
- z_stringers = self.stringer.z
- x_spars = self.spar.x[:][0] + self.spar.x[:][1]
- z_spars = self.spar.z[:][0] + self.spar.z[:][1]
- stringer_count = range(len(x_stringers))
- spar_count = range(len(self.spar.x))
-
- # I_x is the sum of the contributions of the spar caps and stringers
- # TODO: replace list indices with dictionary value
- I_x = sum(
- [cap_area * (z_spars[i] - self.centroid[1])**2 for i in spar_count])
- I_x += sum([
- stringer_area * (z_stringers[i] - self.centroid[1])**2
- for i in stringer_count
- ])
-
- I_z = sum(
- [cap_area * (x_spars[i] - self.centroid[0])**2 for i in spar_count])
- I_z += sum([
- stringer_area * (x_stringers[i] - self.centroid[0])**2
- for i in stringer_count
- ])
-
- I_xz = sum([
- cap_area * (x_spars[i] - self.centroid[0]) *
- (z_spars[i] - self.centroid[1]) for i in spar_count
- ])
- I_xz += sum([
- stringer_area * (x_stringers[i] - self.centroid[0]) *
- (z_stringers[i] - self.centroid[1]) for i in stringer_count
- ])
- return (I_x, I_z, I_xz)
Copyright 2019--2024 Marius PETER