regional jet updates

Author: timdmacdo

Regional_Jet_Optimization/Analyses.py

@@ -20,6 +20,8 @@ def setup(configs):
     # build a base analysis for each config
     for tag,config in configs.items():
         analysis = base(config)
+        if tag == 'cruise_spoilers':
+            analysis.aerodynamics.settings.spoiler_drag_increment = 0.005           
         analyses[tag] = analysis
 
     return analyses

Regional_Jet_Optimization/Missions.py

@@ -210,7 +210,7 @@ def base(analyses):
     segment.tag = "descent_2"
 
     # connect vehicle configuration
-    segment.analyses.extend( analyses.cruise )
+    segment.analyses.extend( analyses.cruise_spoilers )
 
     # segment attributes
     segment.atmosphere   = atmosphere

Regional_Jet_Optimization/Optimize.py

@@ -23,25 +23,23 @@
 # ----------------------------------------------------------------------  
 def main():
     problem = setup()
-    output = problem.objective()
+    #output = problem.objective()
     #uncomment these lines when you want to start an optimization problem from a different initial guess
-    '''
     inputs                                   = [1.28, 1.38]
     scaling                                  = problem.optimization_problem.inputs[:,3] #have to rescale inputs to start problem from here
     scaled_inputs                            = np.multiply(inputs,scaling)
     problem.optimization_problem.inputs[:,1] = scaled_inputs
-    '''
 
     #optimize
-    #output = scipy_setup.SciPy_Solve(problem,solver='SLSQP')
-    #print output
+    output = scipy_setup.SciPy_Solve(problem,solver='SLSQP')
+    print output
 
 
     #variable_sweep(problem)  #uncomment this to view some contours of the problem
     print 'fuel burn = ', problem.summary.base_mission_fuelburn
     print 'fuel margin = ', problem.all_constraints()
 
-    #Plot_Mission.plot_mission(problem)
+    Plot_Mission.plot_mission(problem)
 
     return
 

Regional_Jet_Optimization/Plot_Mission.py

@@ -17,7 +17,7 @@
 # ----------------------------------------------------------------------
 
 def plot_mission(nexus,line_style='bo-'):
-    results=nexus.results
+    results=nexus.results.base
     axis_font = {'fontname':'Arial', 'size':'14'}    
 
 
@@ -54,7 +54,7 @@ def plot_mission(nexus,line_style='bo-'):
     # ------------------------------------------------------------------
     fig = plt.figure("Drag Components",figsize=(8,10))
     axes = plt.gca()
-    for i, segment in enumerate(results.base.segments.values()):
+    for i, segment in enumerate(results.segments.values()):
 
         time   = segment.conditions.frames.inertial.time[:,0] / Units.min
         drag_breakdown = segment.conditions.aerodynamics.drag_breakdown

Regional_Jet_Optimization/Vehicles.py

@@ -367,6 +367,18 @@ def configs_setup(vehicle):
     configs.append(config)
 
     config.maximum_lift_coefficient = 1.2
+    
+    
+    # ------------------------------------------------------------------
+    #   Cruise with Spoilers Configuration
+    # ------------------------------------------------------------------
+
+    config = SUAVE.Components.Configs.Config(base_config)
+    config.tag = 'cruise_spoilers'
+
+    configs.append(config)
+    
+    config.maximum_lift_coefficient = 1.2    
 
 
     # ------------------------------------------------------------------