diff options
| -rw-r--r-- | creator.py | 8 | ||||
| -rw-r--r-- | example_airfoil.py | 125 | ||||
| -rw-r--r-- | gui.py | 6 |
3 files changed, 63 insertions, 76 deletions
@@ -29,7 +29,7 @@ Functions: import sys import os.path import numpy as np -from math import sin, cos, atan, sqrt +from math import sin, cos, atan import bisect as bi import matplotlib.pyplot as plt @@ -64,6 +64,8 @@ class Airfoil: @classmethod def from_dimensions(cls, chord, semi_span): + """Create airfoil from its chord and semi-span.""" + if chord > 20: cls.chord = chord else: @@ -114,8 +116,8 @@ class Airfoil: """Returns thickness from 1 'x' along the airfoil chord.""" x = 0 if x < 0 else x z_t = 5 * t * self.chord * ( - + 0.2969 * sqrt(x / self.chord) - - 0.1260 * (x / self.chord) + + 0.2969 * (x / self.chord) ** 0.5 + - 0.1260 * (x / self.chord) ** 1 - 0.3516 * (x / self.chord) ** 2 + 0.2843 * (x / self.chord) ** 3 - 0.1015 * (x / self.chord) ** 4) diff --git a/example_airfoil.py b/example_airfoil.py index 966dcc8..1055116 100644 --- a/example_airfoil.py +++ b/example_airfoil.py @@ -12,7 +12,11 @@ # # You should have received a copy of the GNU General Public License # along with this program. If not, see <https://www.gnu.org/licenses/>. - +""" +Create an airfoil; +Evaluate an airfoil; +Generate a population of airfoils & optimize. +""" import creator # Create geometry import evaluator # Evaluate geometry @@ -50,69 +54,56 @@ NOSE_BOTTOM_STRINGERS = 5 POP_SIZE = 1 SAVE_PATH = 'C:/Users/blend/github/UCLA_MAE_154B/save' - -def main(): - """ - Create an airfoil; - Evaluate an airfoil; - Generate a population of airfoils & optimize. - """ - - # Create airfoil instance - af = creator.Airfoil.from_dimensions(CHORD_LENGTH, SEMI_SPAN) - # Define NACA airfoil coordinates and mass - af.add_naca(NACA_NUM) - af.add_mass(AIRFOIL_MASS) - # af.info_print(2) - af.info_save(SAVE_PATH, 'foo_name') - - # Create spar instance - af.spar = creator.Spar() - # Define the spar coordinates and mass, stored in single spar object - af.spar.add_coord(af, 0.23) - af.spar.add_coord(af, 0.57) - # Automatically adds spar caps for each spar defined previously - af.spar.add_spar_caps(SPAR_CAP_AREA) - af.spar.add_mass(SPAR_MASS) - af.spar.add_webs(SPAR_THICKNESS) - # af.spar.info_print(2) - af.spar.info_save(SAVE_PATH, 'foo_name') - - # Create stringer instance - af.stringer = creator.Stringer() - # Compute the stringer coordinates from their quantity in each zone - af.stringer.add_coord(af, - NOSE_TOP_STRINGERS, - TOP_STRINGERS, - NOSE_BOTTOM_STRINGERS, - BOTTOM_STRINGERS) - af.stringer.add_area(STRINGER_AREA) - af.stringer.add_mass(STRINGER_MASS) - af.stringer.add_webs(SKIN_THICKNESS) - # af.stringer.info_print(2) - af.stringer.info_save(SAVE_PATH, 'foo_name') - - # Plot components with matplotlib - creator.plot_geom(af, True) - - # Evaluator object contains airfoil analysis results. - eval = evaluator.Evaluator(af) - # The analysis is performed in the evaluator.py module. - eval.analysis(1, 1) - # eval.info_print(2) - eval.info_save(SAVE_PATH, 'foo_name') - # evaluator.plot_geom(eval) - # evaluator.plot_lift(eval) - - pop = generator.Population(10) - - # print(help(creator)) - # print(help(evaluator)) - # print(help(generator)) - - # Print final execution time - print("--- %s seconds ---" % (time.time() - start_time)) - - -if __name__ == '__main__': - main() +# Create airfoil instance +af = creator.Airfoil.from_dimensions(CHORD_LENGTH, SEMI_SPAN) +af.add_naca(NACA_NUM) +af.add_mass(AIRFOIL_MASS) +# af.info_print(2) +af.info_save(SAVE_PATH, 'foo_name') + +# Create spar instance +af.spar = creator.Spar() +# Define the spar coordinates and mass, stored in single spar object +af.spar.add_coord(af, 0.23) +af.spar.add_coord(af, 0.57) +# Automatically adds spar caps for each spar defined previously +af.spar.add_spar_caps(SPAR_CAP_AREA) +af.spar.add_mass(SPAR_MASS) +af.spar.add_webs(SPAR_THICKNESS) +# af.spar.info_print(2) +af.spar.info_save(SAVE_PATH, 'foo_name') + +# Create stringer instance +af.stringer = creator.Stringer() +# Compute the stringer coordinates from their quantity in each zone +af.stringer.add_coord(af, + NOSE_TOP_STRINGERS, + TOP_STRINGERS, + NOSE_BOTTOM_STRINGERS, + BOTTOM_STRINGERS) +af.stringer.add_area(STRINGER_AREA) +af.stringer.add_mass(STRINGER_MASS) +af.stringer.add_webs(SKIN_THICKNESS) +# af.stringer.info_print(2) +af.stringer.info_save(SAVE_PATH, 'foo_name') + +# Plot components with matplotlib +creator.plot_geom(af, True) + +# Evaluator object contains airfoil analysis results. +eval = evaluator.Evaluator(af) +# The analysis is performed in the evaluator.py module. +eval.analysis(1, 1) +# eval.info_print(2) +eval.info_save(SAVE_PATH, 'foo_name') +# evaluator.plot_geom(eval) +# evaluator.plot_lift(eval) + +pop = generator.Population(10) + +# print(help(creator)) +# print(help(evaluator)) +# print(help(generator)) + +# Print final execution time +print("--- %s seconds ---" % (time.time() - start_time)) @@ -23,8 +23,6 @@ from matplotlib.backends.backend_tkagg import ( FigureCanvasTkAgg, NavigationToolbar2Tk) -# def main(): - def new_field(parent, name): """Add a new user input field.""" @@ -85,7 +83,3 @@ frame_2.pack(side=tk.LEFT) # plot.get_tk_widget().pack() root.mainloop() - - -# if __name__ == '__main__': -# main() |