From d674bd110e3bc150d2164b73716672afc04ce201 Mon Sep 17 00:00:00 2001
From: dave <dave@dtu.dk>
Date: Tue, 12 Jan 2016 15:44:39 +0100
Subject: [PATCH] h2_vs_hs2: added more sensors, more general form of the blade
distributed parameters obtained for HAWC2 statistics, other small fixes
---
wetb/prepost/h2_vs_hs2.py | 97 ++++++++++++++++++++++++++++-----------
1 file changed, 70 insertions(+), 27 deletions(-)
diff --git a/wetb/prepost/h2_vs_hs2.py b/wetb/prepost/h2_vs_hs2.py
index 153194e4..a19c755d 100644
--- a/wetb/prepost/h2_vs_hs2.py
+++ b/wetb/prepost/h2_vs_hs2.py
@@ -512,6 +512,31 @@ class MappingsH2HS2(object):
self.hs2_res = hs2.results()
self.h2_maps = config.h2_maps
+ self.units = {'curved_s': '[m]',
+ 'Cl': '[-]',
+ 'Cd': '[-]',
+ 'Ct': '[-]',
+ 'Cp': '[-]',
+ 'ax_ind': '[-]',
+ 'tan_ind': '[-]',
+ 'vrel': '[m/s]',
+ 'inflow_angle': '[deg]',
+ 'AoA': '[deg]',
+ 'pos_x': '[m]',
+ 'pos_y': '[m]',
+ 'pos_z': '[m]',
+ 'def_x': '[m]',
+ 'def_y': '[m]',
+ 'def_z': '[m]',
+ 'torsion': '[deg]',
+ 'twist': '[deg]',
+ 'ax_ind_vel': '[m/s]',
+ 'tan_ind_vel': '[m/s]',
+ 'F_x': '[N/m]',
+ 'F_y': '[N/m]',
+ 'M': '[Nm/m]',
+ 'chord': '[m]'}
+
def powercurve(self, h2_df_stats, fname_hs):
self._powercurve_h2(h2_df_stats)
@@ -562,10 +587,12 @@ class MappingsH2HS2(object):
if h2_df_stats is not None:
self.h2_df_stats = h2_df_stats
if fname_h2_tors is not None:
- self.distribution_torsion_h2(fname_h2_tors)
+ self.distribution_stats_h2(fname_h2_tors, 'Tors_e', 'torsion')
def _distribution_hs2(self):
"""Read a HAWCStab2 *.ind file (blade distribution loading)
+
+ rot_angle and rot_vec_123 in HS2 should be in rotor polar coordinates
"""
mapping_hs2 = {'s [m]' :'curved_s',
@@ -583,6 +610,7 @@ class MappingsH2HS2(object):
'Z_AC0 [m]' :'pos_z',
'UX0 [m]' :'def_x',
'UY0 [m]' :'def_y',
+ 'UZ0 [m]' :'def_z',
'Tors. [rad]' :'torsion',
'Twist[rad]' :'twist',
'V_a [m/s]' :'ax_ind_vel',
@@ -590,28 +618,36 @@ class MappingsH2HS2(object):
'FX0 [N/m]' :'F_x',
'FY0 [N/m]' :'F_y',
'M0 [Nm/m]' :'M',
- 'chord [m]' :'chord'}
+ 'chord [m]' :'chord',
+ 'angle [rad]' :'rot_angle',
+ 'v_1 [-]' :'rot_vec_1',
+ 'v_2 [-]' :'rot_vec_2',
+ 'v_3 [-]' :'rot_vec_3'}
try:
hs2_cols = list(mapping_hs2)
# select only the HS channels that will be used for the mapping
- std_cols = [mapping_hs2[k] for k in hs2_cols]
+ std_cols = list(mapping_hs2.values())
self.hs_aero = self.hs2_res.ind.df_data[hs2_cols].copy()
except KeyError:
# some results have been created with older HAWCStab2 that did not
# include CT and CP columns
mapping_hs2.pop('CT [-]')
mapping_hs2.pop('CP [-]')
- hs2_cols = [k for k in mapping_hs2]
- std_cols = [mapping_hs2[k] for k in hs2_cols]
+ hs2_cols = list(mapping_hs2)
+ std_cols = list(mapping_hs2.values())
# select only the HS channels that will be used for the mapping
self.hs_aero = self.hs2_res.ind.df_data[hs2_cols].copy()
# change column names to the standard form that is shared with H2
self.hs_aero.columns = std_cols
+ chord12 = self.hs_aero['chord'] / 2.0
+ self.hs_aero['pos_x'] -= (np.cos(self.hs_aero['twist'])*chord12)
+ self.hs_aero['pos_y'] += (np.sin(self.hs_aero['twist'])*chord12)
self.hs_aero['AoA'] *= (180.0/np.pi)
self.hs_aero['inflow_angle'] *= (180.0/np.pi)
self.hs_aero['torsion'] *= (180.0/np.pi)
+ self.hs_aero['twist'] *= (180.0/np.pi)
def _distribution_h2(self):
mapping_h2 = { 'Radius_s' :'curved_s',
@@ -632,7 +668,7 @@ class MappingsH2HS2(object):
'Secfrc_RPy':'F_y',
'Secmom_RPz':'M'}
h2_cols = list(mapping_h2)
- std_cols = [mapping_h2[k] for k in h2_cols]
+ std_cols = list(mapping_h2.values())
# select only the h2 channels that will be used for the mapping
h2_aero = self.h2_res[h2_cols].copy()
@@ -642,18 +678,30 @@ class MappingsH2HS2(object):
h2_aero['def_y'] = self.h2_res['Pos_B_y'] - self.h2_res['Inipos_y_y']
h2_aero['def_z'] = self.h2_res['Pos_B_z'] - self.h2_res['Inipos_z_z']
h2_aero['ax_ind_vel'] *= (-1.0)
- h2_aero['pos_x'] += (self.h2_res['Chord'] / 2.0)
+# h2_aero['pos_x'] += (self.h2_res['Chord'] / 2.0)
h2_aero['F_x'] *= (1e3)
h2_aero['F_y'] *= (1e3)
h2_aero['M'] *= (1e3)
- h2_aero['M'] -= (h2_aero['F_y']*1.5)
+ h2_aero['M'] -= (h2_aero['F_y']*h2_aero['chord']/2.0)
+ h2_aero['twist'] = np.nan
# # HAWC2 includes root and tip nodes, while HAWC2 doesn't. Remove them
# h2_aero = h2_aero[1:-1]
self.h2_aero = h2_aero
- def distribution_torsion_h2(self, fname_h2):
- """Determine torsion distribution from the HAWC2 result statistics.
- tors_e is in degrees.
+ def distribution_stats_h2(self, fname_h2, sensortype, newname):
+ """Determine blade distribution sensor from the HAWC2 statistics.
+ This requires that for each aerodynamic calculation point there should
+ be an output sensor defined manually in the output section.
+
+ Parameters
+ ----------
+
+ fname_h2
+
+ sensortype
+
+ newname
+
"""
if not hasattr(self, 'h2_aero'):
raise UserWarning('first run blade_distribution')
@@ -662,13 +710,11 @@ class MappingsH2HS2(object):
fpath = os.path.dirname(fname_h2)
fname = os.path.basename(fname_h2)
res = sim.windIO.LoadResults(fpath, fname, readdata=False)
- sel = res.ch_df[res.ch_df.sensortype == 'Tors_e'].copy()
+ sel = res.ch_df[res.ch_df.sensortype == sensortype].copy()
if len(sel) == 0:
- msg = 'HAWC2 torsion sensors seem to be missing, are they defined?'
- raise ValueError(msg)
+ msg = 'HAWC2 sensor type "%s" is missing, are they defined?'
+ raise ValueError(msg % sensortype)
sel.sort_values(['radius'], inplace=True)
- self.h2_aero['Radius_s_tors'] = sel.radius.values.copy()
- self.h2_aero['tors_e'] = sel.radius.values.copy()
tors_e_channels = sel.ch_name.tolist()
# find the current case in the statistics DataFrame
@@ -690,15 +736,9 @@ class MappingsH2HS2(object):
# FIXME: what if number of torsion outputs is less than aero
# calculation points?
-# df_tmp = pd.DataFrame()
- self.h2_aero['torsion'] = df_tors_e['mean'].values.copy()
- self.h2_aero['torsion_std'] = df_tors_e['std'].values.copy()
- self.h2_aero['torsion_radius_s'] = df_tors_e['radius'].values.copy()
-# df_tmp = pd.DataFrame()
-# df_tmp['torsion'] = df_tors_e['mean'].copy()
-# df_tmp['torsion_std'] = df_tors_e['std'].copy()
-# df_tmp['torsion_radius_s'] = df_tors_e['radius'].copy()
-# df_tmp.set_index('')
+ self.h2_aero['%s' % newname] = df_tors_e['mean'].values.copy()
+ self.h2_aero['%s_std' % newname] = df_tors_e['std'].values.copy()
+ self.h2_aero['%s_radius_s' % newname] = df_tors_e['radius'].values.copy()
def body_structure_modes(self, fname_h2, fname_hs):
self._body_structure_modes_h2(fname_h2)
@@ -760,11 +800,12 @@ class Plots(object):
res = MappingsH2HS2(self.config)
res.h2_res = sim.windIO.ReadOutputAtTime(fname_h2)
+ self.units = res.units
res._distribution_h2()
if h2_df_stats is not None:
res.h2_df_stats = h2_df_stats
if fname_h2_tors is not None:
- res.distribution_torsion_h2(fname_h2_tors)
+ res.distribution_stats_h2(fname_h2_tors, 'Tors_e', 'torsion')
return res
@@ -772,6 +813,7 @@ class Plots(object):
res = MappingsH2HS2(self.config)
res.hs2_res.load_ind(fname_hs)
+ self.units = res.units
res._distribution_hs2()
return res
@@ -827,7 +869,7 @@ class Plots(object):
label=lab1, alpha=0.9, marker=self.h2ms, ls=self.h2ls)
ax.plot(radius2, res2[chan].values, color=self.hsc,
label=lab2, alpha=0.7, marker=self.hsms, ls=self.hsls)
- ax.set_ylabel(chan.replace('_', '\\_'))
+ ax.set_ylabel('%s %s' % (chan.replace('_', '\\_'), self.units[chan]))
xlim = max(radius1.max(), radius2.max())
ax.set_xlim([0, xlim])
@@ -962,6 +1004,7 @@ class Plots(object):
results = MappingsH2HS2(self.config)
results.blade_distribution(fname_h2, fname_hs2, h2_df_stats=h2_df_stats,
fname_h2_tors=fname_h2_tors)
+ self.units = results.units
res = [results.h2_aero[n0+1:-1], results.hs_aero[n0:]]
# channels = ['pos_x', 'pos_y', 'AoA', 'inflow_angle', 'Cl', 'Cd',
--
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