diff options
| -rw-r--r-- | creator.py | 12 | ||||
| -rw-r--r-- | main.py | 29 |
2 files changed, 27 insertions, 14 deletions
@@ -50,6 +50,8 @@ class Coordinates: if chord < 10:
self.chord = 10
self.semi_span = semi_span
+ # mass
+ self.mass = float()
# Component material
self.material = str()
# Upper coordinates
@@ -60,6 +62,7 @@ class Coordinates: self.y_l = []
# Coordinates x_u, y_u, x_l, y_l packed in single list
self.coord = []
+
# The airfoil components know the Coordinates instance's coords
global parent
parent = self
@@ -67,6 +70,9 @@ class Coordinates: def __str__(self):
return type(self).__name__
+ def add_mass(self, mass):
+ self.mass = len(self.x_u) * mass
+
def print_coord(self, round):
"""
Print all the component's coordinates to the terminal.
@@ -249,7 +255,7 @@ class Spar(Coordinates): def __init__(self):
super().__init__(parent.chord, parent.semi_span)
- def add(self, airfoil_coord, spar_x):
+ def add_coord(self, airfoil_coord, spar_x):
"""
Add a single spar at the % chord location given to function.
@@ -290,8 +296,8 @@ class Stringer(Coordinates): def __init__(self):
super().__init__(parent.chord, parent.semi_span)
- def add(self, airfoil_coord, spar_coord, stringer_u_1, stringer_u_2,
- stringer_l_1, stringer_l_2):
+ def add_coord(self, airfoil_coord, spar_coord, stringer_u_1, stringer_u_2,
+ stringer_l_1, stringer_l_2):
"""
Add equally distributed stringers to four airfoil locations
(upper nose, lower nose, upper surface, lower surface).
@@ -21,9 +21,14 @@ import random import time start_time = time.time() -CHORD_LENGTH = 1000 +CHORD_LENGTH = 10 SEMI_SPAN = 200 +# masss +AIRFOIL_MASS = 100 # lbs +SPAR_MASS = 10 # lbs +STRINGER_MASS = 5 # lbs + POP_SIZE = 1 SAVE_PATH = 'C:/Users/blend/github/UCLA_MAE_154B/save' @@ -37,23 +42,25 @@ def main(): # Create airfoil instance af = creator.Airfoil() - # Define NACA airfoil coordinates + # Define NACA airfoil coordinates and mass af.add_naca(2412) - # af.print_coord(2) + af.add_mass(AIRFOIL_MASS) + af.print_coord(2) # Create spar instance af.spar = creator.Spar() - # Define the spar coordinates, stored in single spar object - af.spar.add(af.coord, 0.15) - af.spar.add(af.coord, 0.55) - # af.spar.print_coord(2) + # Define the spar coordinates and mass, stored in single spar object + af.spar.add_coord(af.coord, 0.15) + af.spar.add_coord(af.coord, 0.55) + af.spar.add_mass(SPAR_MASS) + af.spar.print_coord(2) # Create stringer instance af.stringer = creator.Stringer() - # Define the stringer coordinates from their amount - af.stringer.add(af.coord, af.spar.coord, 4, 7, 5, 6) - # Print coordinates of af.stringer to terminal - # af.stringer.print_coord(2) + # Compute the stringer coordinates from their quantity in each zone + af.stringer.add_coord(af.coord, af.spar.coord, 4, 7, 5, 6) + af.stringer.add_mass(STRINGER_MASS) + af.stringer.print_coord(2) # Plot components with matplotlib # creator.plot(af, af.spar, af.stringer) |