コード例 #1
0
    def test_values_compare(self):
        uq_systemsize = 6
        mu_orig = np.array(
            [mean_Ma, mean_TSFC, mean_W0, mean_E, mean_G, mean_mrho])

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        input_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                           input_dict,
                                           include_dict_rv=True)
        fuel_burn_val = QoI.eval_QoI(mu_orig, np.zeros(uq_systemsize))
        ks_val = QoI.p['oas_scaneagle.AS_point_0.wing_perf.failure']
        print()
        print('fuel burn val = ', fuel_burn_val[0])
        print('ks_val = ', ks_val[0])
コード例 #2
0
    def test_deterministic_model(self):
        # Check if the quantity of interest is being computed as expected
        uq_systemsize = 6
        mu_orig = np.array(
            [mean_Ma, mean_TSFC, mean_W0, mean_E, mean_G, mean_mrho])
        std_dev = np.diag([0.005, 0.00607 / 3600, 0.2, 5.e9, 1.e9, 50])
        jdist = cp.MvNormal(mu_orig, std_dev)

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        input_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                           input_dict,
                                           include_dict_rv=True)

        # Check the value at the starting point
        fval = QoI.eval_QoI(mu_orig, np.zeros(uq_systemsize))
        true_val = 5.229858093218218
        err = abs(fval - true_val)
        self.assertTrue(err < 1.e-6)

        # Check if plugging back value also yields the expected results
        QoI.p['oas_scaneagle.wing.twist_cp'] = np.array([2.60830137, 10., 5.])
        QoI.p['oas_scaneagle.wing.thickness_cp'] = np.array(
            [0.001, 0.001, 0.001])
        QoI.p['oas_scaneagle.wing.sweep'] = [18.89098985]
        QoI.p['oas_scaneagle.alpha'] = [2.19244059]
        fval = QoI.eval_QoI(mu_orig, np.zeros(uq_systemsize))
        true_val = 4.735819672292367
        err = abs(fval - true_val)
        self.assertTrue(err < 1.e-6)
コード例 #3
0
    def test_variable_update(self):
        uq_systemsize = 6
        mu_orig = np.array(
            [mean_Ma, mean_TSFC, mean_W0, mean_E, mean_G, mean_mrho])
        std_dev = np.diag([0.005, 0.00607 / 3600, 0.2, 5.e9, 1.e9, 50])
        jdist = cp.MvNormal(mu_orig, std_dev)

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        input_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                           input_dict,
                                           include_dict_rv=True)

        mu_pert = mu_orig + np.diagonal(std_dev)
        QoI.update_rv(mu_pert)
        QoI.p.final_setup()
        self.assertEqual(mu_pert[0], QoI.p['Mach_number'])
        self.assertEqual(mu_pert[1], QoI.p['CT'])
        self.assertEqual(mu_pert[2], QoI.p['W0'])
        self.assertEqual(mu_pert[3], QoI.p['E'])
        self.assertEqual(mu_pert[4], QoI.p['G'])
        self.assertEqual(mu_pert[5], QoI.p['mrho'])
コード例 #4
0
    def test_dfuelburn_drv(self):
        uq_systemsize = 6
        mu_orig = np.array(
            [mean_Ma, mean_TSFC, mean_W0, mean_E, mean_G, mean_mrho])
        std_dev = np.diag([0.005, 0.00607 / 3600, 0.2, 5.e9, 1.e9, 50])
        jdist = cp.MvNormal(mu_orig, std_dev)

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        input_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                           input_dict,
                                           include_dict_rv=True)
        dJdrv = QoI.eval_QoIGradient(mu_orig, np.zeros(uq_systemsize))
        true_val = np.array([
            -83.76493292024509, 74045.31234313066, 0.44175879007053753,
            -7.34403789212763e-13, -2.527193348815028e-13, 0.8838194148741767
        ])
        err = abs(dJdrv - true_val) / true_val
        self.assertTrue((err < 1.e-6).all())
コード例 #5
0
    def __init__(self, uq_systemsize, all_rv=False):

        # Total number of nodes to use in the spanwise (num_y) and
        # chordwise (num_x) directions. Vary these to change the level of fidelity.
        num_y = 21
        num_x = 3
        mesh_dict = {
            'num_y': num_y,
            'num_x': num_x,
            'wing_type': 'rect',
            'symmetry': True,
            'span_cos_spacing': 0.5,
            'span': 3.11,
            'root_chord': 0.3,
        }

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        dv_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        self.jdist = cp.MvNormal(mu, std_dev)
        self.QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                                dv_dict,
                                                include_dict_rv=all_rv)
        dfuelburn_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ObjGradient_dv,
                'output_dimensions': dv_dict['ndv'],
            }
        }
        dcon_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ConGradient_dv,
                'output_dimensions': dv_dict['ndv']
            }
        }
        dcon_failure_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ConFailureGradient_dv,
                'output_dimensions': dv_dict['ndv'],
            }
        }
        self.QoI_dict = {
            'fuelburn': {
                'QoI_func': self.QoI.eval_QoI,
                'output_dimensions': 1,
                'deriv_dict': dfuelburn_dict
            },
            # 'constraints' : {'QoI_func' : self.QoI.eval_AllConstraintQoI,
            #                  'output_dimensions' : dv_dict['n_constraints'],
            #                  'deriv_dict' : dcon_dict
            #                 },
            # 'con_failure' : {'QoI_func' : self.QoI.eval_confailureQoI,
            #                  'output_dimensions' : 1,
            #                  'deriv_dict' : dcon_failure_dict
            #                 }
        }
コード例 #6
0
    def __init__(self, uq_systemsize, all_rv=False):

        # Default values
        mean_Ma = 0.071
        mean_TSFC = 9.80665 * 8.6e-6
        mean_W0 = 10.0
        mean_E = 85.e9
        mean_G = 25.e9
        mean_mrho = 1600

        # Total number of nodes to use in the spanwise (num_y) and
        # chordwise (num_x) directions. Vary these to change the level of fidelity.
        num_y = 21
        num_x = 3
        mesh_dict = {
            'num_y': num_y,
            'num_x': num_x,
            'wing_type': 'rect',
            'symmetry': True,
            'span_cos_spacing': 0.5,
            'span': 3.11,
            'root_chord': 0.3,
        }

        rv_dict = {
            'Mach_number': mean_Ma,
            'CT': mean_TSFC,
            'W0': mean_W0,
            'E': mean_E,  # surface RV
            'G': mean_G,  # surface RV
            'mrho': mean_mrho,  # surface RV
        }

        dv_dict = {
            'n_twist_cp': 3,
            'n_thickness_cp': 3,
            'n_CM': 3,
            'n_thickness_intersects': 10,
            'n_constraints': 1 + 10 + 1 + 3 + 3,
            'ndv': 3 + 3 + 2,
            'mesh_dict': mesh_dict,
            'rv_dict': rv_dict
        }

        mu = np.array([mean_Ma, mean_TSFC, mean_W0, mean_E, mean_G, mean_mrho])
        std_dev = np.diag([0.005, 0.00607 / 3600, 0.2, 5.e9, 1.e9, 50])
        self.jdist = cp.MvNormal(mu, std_dev)
        self.QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                                dv_dict,
                                                include_dict_rv=all_rv)
        self.QoI.p['oas_scaneagle.wing.thickness_cp'] = 1.e-3 * np.array([
            5.5, 5.5, 5.5
        ])  # This setup is according to the one in the scaneagle paper
        self.QoI.p['oas_scaneagle.wing.twist_cp'] = 2.5 * np.ones(3)
        self.QoI.p.final_setup()
        # self.dominant_space = DimensionReduction(n_arnoldi_sample=uq_systemsize+1,
        #                                     exact_Hessian=False)
        # self.dominant_space.getDominantDirections(self.QoI, self.jdist, max_eigenmodes=1)
        dfuelburn_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ObjGradient_dv,
                'output_dimensions': dv_dict['ndv'],
            }
        }
        dcon_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ConGradient_dv,
                'output_dimensions': dv_dict['ndv']
            }
        }
        dcon_failure_dict = {
            'dv': {
                'dQoI_func': self.QoI.eval_ConFailureGradient_dv,
                'output_dimensions': dv_dict['ndv'],
            }
        }
        self.QoI_dict = {
            'fuelburn': {
                'QoI_func': self.QoI.eval_QoI,
                'output_dimensions': 1,
                'deriv_dict': dfuelburn_dict
            },
            'constraints': {
                'QoI_func': self.QoI.eval_AllConstraintQoI,
                'output_dimensions': dv_dict['n_constraints'],
                'deriv_dict': dcon_dict
            },
            'con_failure': {
                'QoI_func': self.QoI.eval_confailureQoI,
                'output_dimensions': 1,
                'deriv_dict': dcon_failure_dict
            }
        }
コード例 #7
0
    'mrho': mean_mrho,  # surface RV
}

dv_dict = {
    'n_twist_cp': 3,
    'n_thickness_cp': 3,
    'n_CM': 3,
    'n_thickness_intersects': 10,
    'n_constraints': 1 + 10 + 1 + 3 + 3,
    'ndv': 3 + 3 + 2,
    'mesh_dict': mesh_dict,
    'rv_dict': rv_dict
}

QoI = examples.OASScanEagleWrapper(uq_systemsize,
                                   dv_dict,
                                   include_dict_rv=True)
QoI.p['oas_scaneagle.wing.thickness_cp'] = 1.e-3 * np.array([
    5.5, 5.5, 5.5
])  # This setup is according to the one in the scaneagle paper
QoI.p['oas_scaneagle.wing.twist_cp'] = 2.5 * np.ones(3)
QoI.p.final_setup()

print("twist = ", QoI.p['oas_scaneagle.wing.geometry.twist'])
print("thickness =", QoI.p['oas_scaneagle.wing.thickness'])
print("sweep = ", QoI.p['oas_scaneagle.wing.sweep'])
print("aoa = ", QoI.p['oas_scaneagle.alpha'])
print()
"""
# Dictionary for the collocation object
QoI_dict = {'fuelburn' : {'QoI_func' : QoI.eval_QoI,