From 0658183612f39bae5cf0083befa226de5a2653d9 Mon Sep 17 00:00:00 2001
From: Marius Peter <blendoit@gmail.com>
Date: Mon, 24 Jun 2019 20:20:15 -0700
Subject: split 'add_web' into creator for coords and evaluator for math

---
 creator.py   | 19 +++++++++++++++++++
 evaluator.py |  7 ++++++-
 main.py      | 10 ++++++----
 3 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/creator.py b/creator.py
index 40a25bc..df714a8 100644
--- a/creator.py
+++ b/creator.py
@@ -232,6 +232,11 @@ class Spar(Coordinates):
 
     def __init__(self):
         super().__init__(parent.chord, parent.semi_span)
+        self.x_start = []
+        self.x_end = []
+        self.thickness = float()
+        self.z_start = []
+        self.z_end = []
 
     def add_coord(self, airfoil, x_loc_percent):
         '''
@@ -269,6 +274,17 @@ class Spar(Coordinates):
         self.mass = len(self.x) * mass
         return None
 
+    def add_webs(self, skin_thickness):
+        '''Add webs to spars.'''
+
+        for _ in range(len(self.x)):
+            self.x_start.append(self.x[_][0])
+            self.x_end.append(self.x[_][1])
+            self.thickness = skin_thickness
+            self.z_start.append(self.z[_][0])
+            self.z_end.append(self.z[_][1])
+        return None
+
 
 class Stringer(Coordinates):
     '''Contains the coordinates of all stringers.'''
@@ -347,6 +363,9 @@ class Stringer(Coordinates):
         self.mass = len(self.x) * mass + len(self.x) * mass
         return None
 
+    def add_webs(self, thickness):
+        pass
+
     def info_print(self, round):
         super().info_print(round)
         print('Stringer Area:\n', np.around(self.area, round))
diff --git a/evaluator.py b/evaluator.py
index d5e5ee3..c2429d1 100644
--- a/evaluator.py
+++ b/evaluator.py
@@ -222,7 +222,12 @@ def plot_geom(evaluator):
     plt.plot(evaluator.chord / 4, 0, '.', color='g',
              markersize=24, label='Quarter-chord')
     # Plot airfoil surfaces
-    plt.fill(evaluator.x, evaluator.z, color='b', linewidth='1', fill=False)
+    x = [0.98 * x for x in evaluator.x]
+    y = [0.98 * z for z in evaluator.z]
+    plt.fill(x, y, color='w', linewidth='1', fill=False)
+    x = [1.02 * x for x in evaluator.x]
+    y = [1.02 * z for z in evaluator.z]
+    plt.fill(x, y, color='b', linewidth='1', fill=False)
 
     # Plot spars
     try:
diff --git a/main.py b/main.py
index 0a5dc7f..b015f6f 100644
--- a/main.py
+++ b/main.py
@@ -27,9 +27,9 @@ NACA_NUM = 2412
 CHORD_LENGTH = 68  # inches
 SEMI_SPAN = 150  # inches
 
-# Airfoil thickness
-T_UPPER = 0.1
-T_LOWER = 0.1
+# Thicknesses
+SPAR_THICKNESS = 0.4
+SKIN_THICKNESS = 0.1
 
 # Component masses
 AIRFOIL_MASS = 10  # lbs
@@ -78,9 +78,10 @@ def main():
         # Define the spar coordinates and mass, stored in single spar object
         af.spar.add_coord(af, 0.20)
         af.spar.add_coord(af, 0.65)
-        # Automatically adds spar caps for all spars previously defined
+        # Automatically adds spar caps for every previously defined
         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, _)
 
@@ -94,6 +95,7 @@ def main():
                               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, _)
 
-- 
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