def test_WP2_init_tidal(tidalsite, tidal, tidal_kwargs):
site = WP2_SiteData(*tidalsite)
machine = WP2_MachineData(*tidal, **tidal_kwargs)
test = WP2input(machine, site)
WP2(test)
assert True
def test_WP2_init_wave(wavesite, wave, wave_data_folder):
site = WP2_SiteData(*wavesite)
machine = WP2_MachineData(*wave, wave_data_folder=wave_data_folder)
test = WP2input(machine, site)
WP2(test)
assert True
def test_WP2_optimisationLoop_tidal(tidalsite, tidal, tidal_kwargs):
site = WP2_SiteData(*tidalsite)
machine = WP2_MachineData(*tidal, **tidal_kwargs)
data = WP2input(machine, site)
test = WP2(data)
result = test.optimisationLoop()
assert result
def test_WP2_optimisationLoop_wave(wavesite, wave, wave_data_folder):
site = WP2_SiteData(*wavesite)
machine = WP2_MachineData(*wave, wave_data_folder=wave_data_folder)
data = WP2input(machine, site)
test = WP2(data)
result = test.optimisationLoop()
assert result
Clen,
YawAngle,
Float_flag,
InstalDepth,
MinDist,
OpThreshold,
UserArray,
RatedPowerArray,
RatedPowerDevice,
UserOutputTable,
"",
tidal_power_curve=Cp,
tidal_thrust_curve=Ct,
tidal_bidirectional=Bidirection,
tidal_cutinout=C_IO,
tidal_velocity_curve=X)
" Input assembly "
iWP2input = WP2input(Machine,Site)
if not iWP2input.stopWP2run:
WPobj = WP2(iWP2input,debug=False)
#Out = WPobj.optimisationLoop(FixedLayOut=FixedArrayLayout)
Out = WPobj.optimisationLoop()
if not Out == -1:
Out.printRes()
else:
raise RuntimeError("Error code -1")
UserArray = {'Option': 1, 'Value': 'rectangular'}
RatedPowerArray = 20
RatedPowerDevice = 1
#This will trigger the WAMIT or Nemoh calculation for the wave case
#and it is used in the tidal case for check on the user database format
#compability
InternalModel_flag = True
#The input folder defined the place were the software will search for
#the user tidal database or the WAMIT folder or the WP2Input.wp2 file or the iWP2Pickler.pkl file
InputFolder = ''
DATAfolder = (InternalModel_flag, InputFolder)
UserOutputTable = None
Machine = WP2_MachineData(Type, lCS, Clen, YawAngle, SingleMachine, Float_flag,
InstalDepth, MinDist, OpThreshold, DATAfolder,
UserArray, RatedPowerArray, RatedPowerDevice,
UserOutputTable)
" Input assembly "
iWP2input = WP2input(Machine, Site)
if not iWP2input.stopWP2run:
WPobj = WP2(iWP2input, debug=True)
#Out = WPobj.optimisationLoop(FixedLayOut=FixedArrayLayout)
Out = WPobj.optimisationLoop()
Out.printRes()
UserOutputTable = None
Machine = WP2_MachineData(Type,
lCS,
Clen,
YawAngle,
SingleMachine,
Float_flag,
InstalDepth,
MinDist,
OpThreshold,
UserArray,
RatedPowerArray,
RatedPowerDevice,
UserOutputTable)
" Input assembly "
iWP2input = WP2input(Machine,Site)
if not iWP2input.stopWP2run:
WPobj = WP2(iWP2input)
#Out = WPobj.optimisationLoop(FixedLayOut=FixedArrayLayout)
Out = WPobj.optimisationLoop()
if not Out == -1:
Out.printRes()
else:
raise RuntimeError("Error code -1")
def connect(self, debug_entry=False, export_data=True):
'''The connect method is used to execute the external program and
populate the interface data store with values.
Note:
Collecting data from the interface for use in the external program
can be accessed using self.data.my_input_variable. To put new values
into the interface once the program has run we set
self.data.my_output_variable = value
'''
# #------------------------------------------------------------------------------
# #------------------------------------------------------------------------------
# #------------------ WP2 site data class
# #------------------------------------------------------------------------------
# #------------------------------------------------------------------------------
# Sitedata class: The class contains all the information relative to the area of deployment
# of the array.
#
# Args:
# LeaseArea (numpy.ndarray) [m]: UTM coordinates of the lease area poligon expressed as [X,Y].
# X is the column vector containing the easting coordinates
# Y is the column vector containing the northing coordinates
# NogoAreas (list) [m]: list containing the UTM coordinates of the nogo areas poligons expressed as [X,Y].
# MeteoceanConditions (dict): dictionary gathering all the information related to the metocean conditions
# of the site. The dictionary is different for wave and tidal cases:
# Wave keys:
# 'Te' (numpy.ndarray)[s]: Vector containing the wave energy periods
# 'Hs' (numpy.ndarray)[m]: Vector containing the significant wave height
# 'dir' (numpy.ndarray)[rad]: Vector containing the wave direction
# 'p' (numpy.ndarray)[-]: Probability of occurence of the sea state
# 'specType' (tup): description of the spectral shape recorded at the site
# (spectrum name, gamma factor, spreading parameter)
# 'SSH' (float)[m]: Sea Surface Height wrt the bathymetry datum at a single point
# Tidal keys:
# 'V' (numpy.ndarray)[m/s]: northing-direction of the velocity field
# 'U' (numpy.ndarray)[m/s]: easting-direction of the velocity field
# 'p' (numpy.ndarray)[-]: probability of occurency of the state
# 'TI' (numpy.ndarray)[-]: Turbulence intensity. It can be a single float or a matrix where the
# TI is specified at each grid node.
# 'x' (numpy.ndarray)[m]: Vector containing the easting coordinate of the grid nodes
# 'y' (numpy.ndarray)[m]: Vector containing the northing coordinate of the grid nodes
# 'SSH' (numpy.ndarray)[m]: Sea Surface Height wrt the bathymetry datum
#
#
# VelocityShear (numpy.ndarray) [-]: Tidal velocity shear formula (power law), used to evaluate the vertical velocity profile
# Main_Direction (numpy.ndarray, optional) [m]: xy vector defining the main orientation of the array. If not provided it will be
# assessed from the Metocean conditions.
# Bathymetry (numpy.ndarray) [m]: Describes the vertical profile of the sea bottom at each (given) UTM coordinate.
# Expressed as [X,Y,Z]
# Geophysics (numpy.ndarray) [?]: Describes the sea bottom geophysic characteristic at each (given) UTM coordinate.
# Expressed as [X,Y,Geo]
# BR (float) [-]: describes the ratio between the lease area surface over the site area surface enclosed in a channel.
# 1. - closed channel
# 0. - open sea
# electrical_connection_point (numpy.ndarray) [m]: UTM coordinates of the electrical connection point at the shore line
# boundary_padding (float, optional) [m]: Padding added to inside of the lease area in which devices may not be placed
# Check whether the bin width divides the RP perfectly
check_bin_widths(self.data.rated_power_device, self.data.pow_bins)
if 'Tidal' in self.data.type:
x = self.data.tidal_series.coords["UTM x"]
y = self.data.tidal_series.coords["UTM y"]
tide_dict = {
"U": self.data.tidal_series.U.values,
"V": self.data.tidal_series.V.values,
"SSH": self.data.tidal_series.SSH.values,
"TI": self.data.tidal_series.TI.values,
"x": x.values,
"y": y.values,
"t": self.data.tidal_series.t.values,
"xc": self.data.tidal_occurrence_point.x,
"yc": self.data.tidal_occurrence_point.y,
"ns": self.data.tidal_nbins
}
occurrence_matrix = make_tide_statistics(tide_dict)
p_total = sum(occurrence_matrix['p'])
if not np.isclose(p_total, 1.):
errStr = ("Tidal statistics probabilities invalid. Total "
"probability equals {}").format(p_total)
raise ValueError(errStr)
occurrence_matrix_coords = [
occurrence_matrix['x'], occurrence_matrix['y'],
occurrence_matrix['p']
]
matrix_xset = {
"values": {
"U": occurrence_matrix['U'],
"V": occurrence_matrix['V'],
"SSH": occurrence_matrix['SSH'],
"TI": occurrence_matrix['TI']
},
"coords": occurrence_matrix_coords
}
self.data.tidal_occurrence = matrix_xset
x = self.data.geophysics.coords["UTM x"]
y = self.data.geophysics.coords["UTM y"]
# Flatten mannings number
xgrid, ygrid = np.meshgrid(x.values, y.values)
geogrid = self.data.geophysics.values.T
geoflat = np.array(
zip(xgrid.flatten(), ygrid.flatten(), geogrid.flatten()))
else:
occurrence_matrix = make_wave_statistics(self.data.wave_series)
p_total = occurrence_matrix['p'].sum()
if not np.isclose(p_total, 1.):
errStr = ("Wave statistics probabilities invalid. Total "
"probability equals {}").format(p_total)
raise ValueError(errStr)
occurrence_matrix_coords = [
occurrence_matrix['Te'], occurrence_matrix['Hs'],
occurrence_matrix['B']
]
matrix_xgrid = {
"values": occurrence_matrix['p'],
"coords": occurrence_matrix_coords
}
self.data.wave_occurrence = matrix_xgrid
# Translate spectrum type
spectrum_map = {
"Regular": "Regular",
"Pierson-Moskowitz": "Pierson_Moskowitz",
"JONSWAP": "Jonswap",
"Bretschneider": "Bretschneider_Mitsuyasu",
"Modified Bretschneider": "Modified_Bretschneider_Mitsuyasu"
}
spectrum_type = spectrum_map[self.data.spectrum_type_farm]
spectrum_list = (spectrum_type, self.data.spectrum_gamma_farm,
self.data.spectrum_dir_spreading_farm)
occurrence_matrix["SSH"] = 0. # Datum is mean sea level
occurrence_matrix["specType"] = spectrum_list
geoflat = None
# Snap lease area to bathymetry
bathy_x = self.data.bathymetry["x"]
bathy_y = self.data.bathymetry["y"]
bathy_box = box(bathy_x.min(), bathy_y.min(), bathy_x.max(),
bathy_y.max())
lease_area = self.data.lease_area
sane_lease_area = lease_area.intersection(bathy_box)
# Convert lease and nogo polygons
numpy_lease = np.array(sane_lease_area.exterior.coords[:-1])
if self.data.nogo_areas is None:
numpy_nogo = None
else:
numpy_nogo = [
np.array(x.exterior.coords[:-1])
for x in self.data.nogo_areas.values()
]
numpy_landing = np.array(self.data.export_landing_point.coords[0])
# Bathymetry (**assume layer 1 in uppermost**)
zv = self.data.bathymetry["depth"].sel(layer="layer 1").values.T
xv, yv = np.meshgrid(self.data.bathymetry["x"].values,
self.data.bathymetry["y"].values)
xyz = np.dstack([xv.flatten(), yv.flatten(), zv.flatten()])[0]
safe_xyz = xyz[~np.isnan(xyz).any(axis=1)]
# Convert main direction to vector
if self.data.main_direction is None:
main_direction_vec = None
else:
main_direction_tuple = bearing_to_vector(self.data.main_direction)
main_direction_vec = np.array(main_direction_tuple)
Site = WP2_SiteData(numpy_lease, numpy_nogo, occurrence_matrix, 7.,
main_direction_vec, safe_xyz, geoflat,
self.data.blockage_ratio, numpy_landing,
self.data.boundary_padding)
# #------------------------------------------------------------------------------
# #------------------------------------------------------------------------------
# #------------------ WP2 machine data class
# #------------------------------------------------------------------------------
# #------------------------------------------------------------------------------
#
# MachineData class: The class contains all the information relative to the machine
# deployed in the array.
#
# Args:
# Type (str)[-]: defines the type of device either 'tidal' or 'wave'. No other strings are accepted
# lCS (numpy.ndarray)[m]: position vector of the local coordina system from the given reference point.
# Wave: represents the position vector of the body CS wrt the mesh CS
# Tidal: represents the position of the hub from the machine (reference) CS.
# Clen (numpy.ndarray)[m]: characteristic lenght of the device:
# Wave: unused
# Tidal: turbine diameter and distance of the hub from the center line
# used in case the machine is composed by two parallel turbines
# YawAngle (float)[rad]: Yaw angle span, wrt the main direction of the array.
# The total yawing range is two-fold the span. -Yaw/+Yaw
# Float_flag (bool)[-]: defines whether the machine is floating (True) or not (False)
# InstalDepth (list)[m]: defines the min and maximum water depth at which the device can be installed
# MinDist (tuple)[m]: defines the minimum allowed distance between devices in the array configuration
# the first element is the distance in the x axis
# the second element is the distance in the y axis
# OpThreshold (float)[-]: defines the minimum allowed q-facto
# UserArray (dict): dictionary containing the description of the array layout to be optimise. Keys:
# 'Option' (int): 1-optimisation over the internal parametric array layouts
# 2-fixed array layout specified by the user not subject to optimisation
# 3-array layout specified by the user subject to optimisation via expantion of the array
# 'Value' options:
# (str) 'rectangular'
# (str) 'staggered'
# (str) 'full'
# (numpy.ndarray) [m]: [X,Y] coordiantes of the device
# RatedPowerArray (float)[W]: Rated power of the array.
# RatedPowerDevice (float)[W]: Rated power of the single isolated device.
# UserOutputTable (dict, optional): dictionary of dictionaries where all the array layouts inputed and analysed by the user are
# collected. Using this option the internal WP2 calculation is skipped, and the optimisaton
# is performed in the given data. The dictionaies keys are the arguments of the WP2 Output class.
# wave_data_folder (string, optional): path name of the hydrodynamic results generate by the wave external module
# tidal_power_curve (numpy.ndarray, optional)[-]: Power curve function of the stream velocity
# tidal_thrust_curve (numpy.ndarray, optional)[-]: Thrust curve function of the stream velocity
# tidal_velocity_curve (numpy.ndarray, optional)[m/s]: Vector containing the stream velocity
# tidal_cutinout (numpy.ndarray, optional): contain the cut_in and cut_out velocity of the turbine.
# Outside the cut IN/OUT velocity range the machine will not produce
# power. The generator is shut down, but the machine will still interact
# with the others.
# tidal_bidirectional (bool, optional): bidirectional working principle of the turbine
# tidal_data_folder (string, optional): Path to tidal device CFD data files
yaw_angle = np.radians(self.data.yaw_angle)
min_install = self.data.min_install
max_install = self.data.max_install
min_dist = (self.data.min_dist_x, self.data.min_dist_y)
op_threshold = self.data.op_threshold
install_depth = (min_install, max_install)
if 'Tidal' in self.data.type:
perf_velocity = self.data.perf_curves.index.values
cp_curve = self.data.perf_curves["Coefficient of Power"].values
ct_curve = self.data.perf_curves["Coefficient of Thrust"].values
cut_in = self.data.cut_in
cut_out = self.data.cut_out
dev_type = "Tidal"
lCS = [0, 0, self.data.hub_height]
clen = (self.data.rotor_diam, self.data.turbine_interdist)
wave_data_folder = None
tidal_power_curve = cp_curve
tidal_thrust_curve = ct_curve
tidal_velocity_curve = perf_velocity
tidal_cutinout = (cut_in, cut_out)
tidal_bidirectional = self.data.bidirection
tidal_data_folder = self.data.tidal_data_directory
else:
dev_type = "Wave"
lCS = None
clen = None
wave_data_folder = self.data.wave_data_directory
tidal_power_curve = None
tidal_thrust_curve = None
tidal_velocity_curve = None
tidal_cutinout = None
tidal_bidirectional = None
tidal_data_folder = None
# Set user_array_dict value key
if self.data.user_array_option in [
"User Defined Flexible", "User Defined Fixed"
]:
if self.data.user_array_layout is None:
errStr = ("A predefined array layout must be provided when "
"using the '{}' array layout option").format(
self.data.user_array_option)
raise ValueError(errStr)
numpy_layout = np.array(
[point.coords[0][:2] for point in self.data.user_array_layout])
user_array_dict = {'Value': numpy_layout}
else:
user_array_dict = {'Value': self.data.user_array_option.lower()}
# Set user_array_dict option key
if self.data.user_array_option == "User Defined Flexible":
user_array_dict['Option'] = 3
elif self.data.user_array_option == "User Defined Fixed":
user_array_dict['Option'] = 2
else:
user_array_dict['Option'] = 1
if 'Floating' in self.data.type:
float_flag = True
else:
float_flag = False
Machine = WP2_MachineData(
dev_type,
lCS,
clen,
yaw_angle,
float_flag,
install_depth,
min_dist,
op_threshold,
user_array_dict,
self.data.rated_array_power * 1e6, # Watts
self.data.rated_power_device * 1e6, # Watts
None,
wave_data_folder,
tidal_power_curve,
tidal_thrust_curve,
tidal_velocity_curve,
tidal_cutinout,
tidal_bidirectional,
tidal_data_folder)
iWP2input = WP2input(Machine, Site)
if export_data:
userdir = UserDataDirectory("dtocean_core", "DTOcean", "config")
if userdir.isfile("files.ini"):
configdir = userdir
else:
configdir = ObjDirectory("dtocean_core", "config")
files_ini = ReadINI(configdir, "files.ini")
files_config = files_ini.get_config()
appdir_path = userdir.get_path("..")
debug_folder = files_config["debug"]["path"]
debug_path = os.path.join(appdir_path, debug_folder)
debugdir = Directory(debug_path)
debugdir.makedir()
pkl_path = debugdir.get_path("hydrodynamics_inputs.pkl")
pickle.dump(iWP2input, open(pkl_path, "wb"))
if debug_entry: return
if not iWP2input.stopWP2run:
main = WP2(iWP2input, pickup=True, debug=False)
result = main.optimisationLoop()
if result == -1:
errStr = "Hydrodynamics module failed to execute successfully."
raise RuntimeError(errStr)
if export_data:
pkl_path = debugdir.get_path("hydrodynamics_outputs.pkl")
pickle.dump(result, open(pkl_path, "wb"))
AEP_per_device = {}
pow_per_device = {}
pmf_per_device = {}
layout = {}
q_factor_per_device = {}
dev_ids = []
# Layout
for dev_id, coords in result.Array_layout.iteritems():
dev_id = dev_id.lower()
layout[dev_id] = np.array(coords)
dev_ids.append(dev_id)
self.data.device_position = layout
self.data.n_bodies = int(result.Nbodies)
# Total annual energy (convert to MWh)
self.data.AEP_array = \
float(result.Annual_Energy_Production_Array) / 1e6
# Array capacity factor
ideal_energy = (365 * 24 * self.data.n_bodies *
self.data.rated_power_device)
self.data.array_efficiency = self.data.AEP_array / ideal_energy
# Annual energy per device (convert to MWh)
for dev_id, AEP in zip(dev_ids, result.Annual_Energy_Production_perD):
AEP_per_device[dev_id] = float(AEP) / 1e6 #SimpleDIct
self.data.AEP_per_device = AEP_per_device
# Mean power per device (convert to MW)
for dev_id, power in zip(dev_ids, result.power_prod_perD):
pow_per_device[dev_id] = float(power) / 1e6 #SimpleDIct
self.data.pow_per_device = pow_per_device
for dev_id, pow_per_state in zip(dev_ids, result.power_prod_perD_perS):
# Power probability mass function (convert to MW)
flat_prob = occurrence_matrix['p'].flatten("F")
pow_list = pow_per_state / 1e6
assert np.isclose(flat_prob.sum(), 1.)
assert len(flat_prob) == len(pow_list)
# Find uniques powers
unique_powers = []
for power in pow_list:
if not np.isclose(power, unique_powers).any():
unique_powers.append(power)
# Catch any matching powers and sum the probabilities
powers = []
probs = []
match_index_check = []
for power in unique_powers:
matches = np.isclose(power, pow_list)
assert len(matches) >= 1
match_idx = np.where(matches == True)
match_probs = flat_prob[match_idx]
match_index_check.extend(match_idx[0].tolist())
powers.append(power)
probs.append(match_probs.sum())
# Nullify the found indexes to ensure uniqueness
pow_list[match_idx] = np.nan
flat_prob[match_idx] = np.nan
repeated_indexes = set([
x for x in match_index_check if match_index_check.count(x) > 1
])
assert len(repeated_indexes) == 0
assert np.isclose(sum(probs), 1.)
pmf_per_device[dev_id] = np.array(zip(powers, probs))
# Power probability histograms
dev_pow_hists = make_power_histograms(pmf_per_device,
self.data.rated_power_device,
self.data.pow_bins)
self.data.pow_pmf_per_device = pmf_per_device
self.data.pow_hist_per_device = dev_pow_hists
# Resource modification
self.data.q_factor_per_device = q_factor_per_device
self.data.q_factor_array = result.q_factor_Array
self.data.resource_reduction = float(result.Resource_Reduction)
for dev_id, q_factor in zip(dev_ids, result.q_factor_Per_Device):
q_factor_per_device[dev_id] = q_factor
# Main Direction
self.data.main_direction = vector_to_bearing(*result.main_direction)
# Device type specific outputs
if 'Wave' in self.data.type:
# External forces
fex_dict = result.Hydrodynamic_Parameters
modes = np.array(fex_dict["mode_def"])
freqs = np.array(fex_dict["wave_fr"])
# Convert directions to bearings
bearings = [radians_to_bearing(x) for x in fex_dict["wave_dir"]]
dirs = np.array(bearings)
fex_raw = np.zeros(
[len(modes), len(freqs), len(dirs)], dtype=complex) * np.nan
for i, mode_fex in enumerate(fex_dict["fex"]):
if mode_fex:
fex_raw[i, :, :] = np.expand_dims(mode_fex, axis=1)
fex_xgrid = {"values": fex_raw, "coords": [modes, freqs, dirs]}
self.data.ext_forces = fex_xgrid
## Power Matrix in kW
power_matrix = result.power_matrix_machine / 1000.
power_matrix_dims = result.power_matrix_dims
# Convert directions to bearings
bearings = [
radians_to_bearing(x) for x in power_matrix_dims["dirs"]
]
occurrence_matrix_coords = [
power_matrix_dims['te'], power_matrix_dims['hm0'], bearings
]
matrix_xgrid = {
"values": power_matrix,
"coords": occurrence_matrix_coords
}
self.data.power_matrix = matrix_xgrid
return
Float_flag,
InstalDepth,
MinDist,
OpThreshold,
UserArray,
RatedPowerArray,
RatedPowerDevice,
wave_data_folder=InputFolder)
" Input assembly "
#Site.printInput(indent=1)
#help(Site)
iWP2input = WP2input(Machine,Site)
if not iWP2input.stopWP2run:
WPobj = WP2(iWP2input,
Cfit=np.array([0.]),
Kfit=np.array([0.]),
pickup=True,
debug=True)
Out = WPobj.optimisationLoop()
if not Out == -1:
Out.printRes()
else:
raise RuntimeError("Error code -1")
# -*- coding: utf-8 -*-
"""
Created on Mon Mar 21 15:56:17 2016
"""
import os
import pickle
from dtocean_hydro import start_logging
from dtocean_hydro.main import WP2
# Start the logging system
start_logging()
mod_path = os.path.realpath(__file__)
mod_dir = os.path.dirname(mod_path)
# Pick up the pickled inputs
input_dict_file = os.path.join(mod_dir, "hydrodynamics_inputs.pkl")
with open(input_dict_file, "rb") as fstream:
iWP2input = pickle.load(fstream)
main = WP2(iWP2input, pickup=True, debug=True)
result = main.optimisationLoop()
raw_input("Press Enter to continue...")