def compute(self, inputs, outputs):
error = False
self.bzFoil.r_le = inputs['r_le']
self.bzFoil.beta_te = inputs['beta_te']
#self.bzFoil.dz_te = inputs['dz_te']
self.bzFoil.x_t = inputs['x_t']
self.bzFoil.y_t = inputs['y_t']
self.bzFoil.gamma_le = inputs['gamma_le']
self.bzFoil.x_c = inputs['x_c']
self.bzFoil.y_c = inputs['y_c']
self.bzFoil.alpha_te = inputs['alpha_te']
self.bzFoil.z_te = inputs['z_te']
self.bzFoil.b_8 = inputs['b_8']
self.bzFoil.b_15 = inputs['b_15']
self.bzFoil.b_0 = inputs['b_0']
self.bzFoil.b_2 = inputs['b_2']
self.bzFoil.b_17 = inputs['b_17']
projectName = PROJECT_NAME_PREFIX + '_%09d' % self.executionCounter
cfd = CFDrun(projectName)
airFoilCoords = self.bzFoil.generate_airfoil(500,
show_plot=False,
save_plot_path=WORKING_DIR+'/'+projectName+'/airfoil.png',
param_dump_file=WORKING_DIR+'/'+projectName+'/airfoil.txt')
self.bzFoil.plot_airfoil_with_cabin(inputs['offsetFront'],
cabinLength,
inputs['cabin_height'],
inputs['angle'],
show_plot=False,
save_plot_path=WORKING_DIR+'/'+projectName+'/airfoil_cabin.png')
if not self.bzFoil.valid:
#raise AnalysisError('AirfoilCFD: invalid BPAirfoil')
print('ERROR: AirfoilCFD, invalid BPAirfoil')
error = True
else:
top, buttom = self.bzFoil.get_cooridnates_top_buttom(500)
#self.air.set_coordinates(top, buttom)
cfd.set_airfoul_coords(top, buttom)
cfd.c2d.pointsInNormalDir = 80
cfd.c2d.pointNrAirfoilSurface = 200
cfd.c2d.reynoldsNum = REYNOLD
cfd.construct2d_generate_mesh(scale=SCALE, plot=False)
cfd.su2_fix_mesh()
cfd.su2_solve(config)
#totalCL, totalCD, totalCM, totalE = cfd.su2_parse_results()
results = cfd.su2_parse_iteration_result()
cfd.clean_up()
if float(results['CD']) <= 0. or float(results['CD']) > 100.:
#raise AnalysisError('AirfoilCFD: c_d is out of range (cfd failed)')
print('ERROR: AirfoilCFD, c_d is out of range (cfd failed)')
error = True
outputs['c_d'] = results['CD']
outputs['c_l'] = results['CL']
outputs['c_m'] = results['CMz']
print('c_l= ' + str(outputs['c_l']))
print('c_d= ' + str(outputs['c_d']))
print('c_m= ' + str(outputs['c_m']))
print('c_l/c_d= ' + str(results['CL/CD']))
print('cfdIterations= ' + str(results['Iteration']))
write_to_log(str(self.executionCounter) + ','
+ datetime.now().strftime('%H:%M:%S') + ','
+ str(outputs['c_l']) + ','
+ str(outputs['c_d']) + ','
+ str(outputs['c_m']) + ','
+ str(results['CL/CD']) + ','
+ str(results['Iteration']) + ','
+ str(inputs['cabin_height']) + ','
+ str(inputs['offsetFront']) + ','
+ str(inputs['angle']) + ','
+ str(inputs['r_le']) + ','
+ str(inputs['beta_te']) + ','
+ str(inputs['x_t']) + ','
+ str(inputs['y_t']) + ','
+ str(inputs['gamma_le']) + ','
+ str(inputs['x_c']) + ','
+ str(inputs['y_c']) + ','
+ str(inputs['alpha_te']) + ','
+ str(inputs['z_te']) + ','
+ str(inputs['b_8']) + ','
+ str(inputs['b_15']) + ','
+ str(inputs['b_0']) + ','
+ str(inputs['b_17']) + ','
+ str(inputs['b_2']))
#workaround since raising an error seems to crash the optimization
if error:
outputs['c_d'] = 999.
outputs['c_l'] = 0.
outputs['c_m'] = 0.
self.executionCounter += 1
#create project dir if necessary
if not os.path.isdir(projectDir):
os.mkdir(projectDir)
cfd = CFDrun(projectName, used_cores=SU2_USED_CORES)
cfd.load_airfoil_from_file(INPUT_DIR + '/vfw-va2.dat')
#cfd.construct2d_generate_mesh(scale=REF_LENGTH)
cfd.gmsh_generate_mesh(scale=REF_LENGTH)
cfd.su2_fix_mesh()
config['MACH_NUMBER'] = str(mach)
cfd.su2_solve(config)
results = cfd.su2_parse_iteration_result()
cfd.clean_up()
print('totalCL: ' + str(results['CL']))
print('totalCD: ' + str(results['CD']))
ouputF.write(str(mach / 100.) + ','
+ str(results['AOA']) + ','
+ str(results['CL']) + ','
+ str(results['CD']) + ','
+ str(results['CMz']) + ','
+ str(results['CL/CD']) + ','
+ str(results['Iteration']) + ','
+ str(results['Time(min)']) + '\n')
ouputF.flush()
print('done')