# This file is part of Marius Peter's airfoil analysis package (this program). # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import creator # Create geometry import evaluator # Evaluate geometry import generator # Iteratevely evaluate instances of geometry and optimize import random import time start_time = time.time() CHORD_LENGTH = 100 SEMI_SPAN = 200 # m=Mass AIRFOIL_MASS = 100 # lbs SPAR_MASS = 10 # lbs STRINGER_MASS = 5 # lbs # Area STRINGER_AREA = 0.1 # sqin # population information 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 coordinate system specific to our airfoil dimensions. # TODO: imperial + metric unit setting creator.Coordinates(CHORD_LENGTH, SEMI_SPAN) # Interate through all wings in population. for _ in range(1, POP_SIZE + 1): # Create airfoil instance af = creator.Airfoil() # Define NACA airfoil coordinates and mass af.add_naca(2412) af.add_mass(AIRFOIL_MASS) af.print_info(2) # Create spar instance af.spar = creator.Spar() # 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_info(2) # Create stringer instance af.stringer = creator.Stringer() # 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_area(STRINGER_AREA) af.stringer.add_mass(STRINGER_MASS) af.stringer.print_info(2) # Plot components with matplotlib creator.plot(af, af.spar, af.stringer) # Save component info af.save_info(SAVE_PATH, _) af.spar.save_info(SAVE_PATH, _) af.stringer.save_info(SAVE_PATH, _) # Evaluate previously created airfoil(s). total_mass = evaluator.get_total_mass(af, af.spar, af.stringer) # Iteratively evaluate airfoils by defining genetic generations. # pass # Print final execution time print("--- %s seconds ---" % (time.time() - start_time)) if __name__ == '__main__': main()