From e36fae2837db711fb3ba892386b1d193ab0cfcc2 Mon Sep 17 00:00:00 2001
From: Marius Peter <blendoit@gmail.com>
Date: Sun, 30 Jun 2019 16:02:31 -0700
Subject: example

---
 example_airfoil.py | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 example_airfoil.py

(limited to 'example_airfoil.py')

diff --git a/example_airfoil.py b/example_airfoil.py
new file mode 100644
index 0000000..966dcc8
--- /dev/null
+++ b/example_airfoil.py
@@ -0,0 +1,118 @@
+# 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 <https://www.gnu.org/licenses/>.
+
+
+import creator  # Create geometry
+import evaluator  # Evaluate geometry
+import generator  # Iteratevely evaluate instances of geometry and optimize
+import numpy as np
+
+import time
+start_time = time.time()
+
+# Airfoil dimensions
+NACA_NUM = 2412
+CHORD_LENGTH = 68  # inches
+SEMI_SPAN = 150  # inches
+
+# Thicknesses
+SPAR_THICKNESS = 0.4
+SKIN_THICKNESS = 0.1
+
+# Component masses
+AIRFOIL_MASS = 10  # lbs
+SPAR_MASS = 10  # lbs
+STRINGER_MASS = 5  # lbs
+
+# Area
+SPAR_CAP_AREA = 0.3  # sqin
+STRINGER_AREA = 0.1  # sqin
+
+# Amount of stringers
+TOP_STRINGERS = 6
+BOTTOM_STRINGERS = 4
+NOSE_TOP_STRINGERS = 3
+NOSE_BOTTOM_STRINGERS = 5
+
+# population information & save path
+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()
-- 
cgit v1.2.3