Skip to content
Snippets Groups Projects
Commit b3833869 authored by tlbl's avatar tlbl
Browse files

integrating fatigue into windIO

parent 275c7854
No related branches found
No related tags found
No related merge requests found
Hide whitespace changes
Inline Side-by-side
Showing
with 38 additions and 83 deletions
wetb/prepost/windIO.py
+ 38
− 83
View file @ b3833869
......@@ -14,17 +14,8 @@ from builtins import range
from builtins import str
from builtins import int
from future import standard_library
standard_library.install_aliases()
from builtins import object
# always devide as floats
#print(*objects, sep=' ', end='\n', file=sys.stdout)
__author__ = 'David Verelst'
__license__ = 'GPL'
__version__ = '0.5'
import os
import copy
import unittest
......@@ -40,17 +31,20 @@ import array
import numpy as np
import pandas as pd
#import sympy
# misc is part of prepost, which is available on the dtu wind gitlab server:
# https://gitlab.windenergy.dtu.dk/dave/prepost
from wetb.prepost import misc
# wind energy python toolbox, available on the dtu wind redmine server:
# http://vind-redmine.win.dtu.dk/projects/pythontoolbox/repository/show/fatigue_tools
from wetb.fatigue_tools.rainflowcounting.rainflowcount import rainflow_astm as rainflow_astm
from wetb.fatigue_tools.rainflowcounting.rfc_hist import rfc_hist as rfc_hist
from wetb.hawc2.Hawc2io import ReadHawc2
from wetb.fatigue_tools import fatigue
from wetb.fatigue_tools.fatigue import eq_load
standard_library.install_aliases()
__author__ = 'David Verelst'
__license__ = 'GPL'
__version__ = '0.5'
class LoadResults(ReadHawc2):
......@@ -130,7 +124,7 @@ class LoadResults(ReadHawc2):
self.file_path = file_path
# remove .log, .dat, .sel extensions who might be accedental left
if file_name[-4:] in ['.htc','.sel','.dat','.log']:
if file_name[-4:] in ['.htc', '.sel', '.dat', '.log']:
file_name = file_name[:-4]
# FIXME: since HAWC2 will always have lower case output files, convert
# any wrongly used upper case letters to lower case here
......@@ -146,7 +140,6 @@ class LoadResults(ReadHawc2):
stop = time() - start
print('time to load HAWC2 file:', stop, 's')
def reformat_sig_details(self):
"""Change HAWC2 output description of the channels short descriptive
strings, usable in plots
......@@ -156,7 +149,7 @@ class LoadResults(ReadHawc2):
# CONFIGURATION: mappings between HAWC2 and short good output:
change_list = []
change_list.append( ['original','new improved'] )
change_list.append( ['original', 'new improved'] )
# change_list.append( ['Mx coo: hub1','blade1 root bending: flap'] )
# change_list.append( ['My coo: hub1','blade1 root bending: edge'] )
......@@ -170,41 +163,41 @@ class LoadResults(ReadHawc2):
# change_list.append( ['My coo: hub3','blade3 root bending: edge'] )
# change_list.append( ['Mz coo: hub3','blade3 root bending: torsion'] )
change_list.append( ['Mx coo: blade1','blade1 flap'] )
change_list.append( ['My coo: blade1','blade1 edge'] )
change_list.append( ['Mz coo: blade1','blade1 torsion'] )
change_list.append(['Mx coo: blade1', 'blade1 flap'])
change_list.append(['My coo: blade1', 'blade1 edge'])
change_list.append(['Mz coo: blade1', 'blade1 torsion'])
change_list.append( ['Mx coo: blade2','blade2 flap'] )
change_list.append( ['My coo: blade2','blade2 edge'] )
change_list.append( ['Mz coo: blade2','blade2 torsion'] )
change_list.append(['Mx coo: blade2', 'blade2 flap'])
change_list.append(['My coo: blade2', 'blade2 edge'])
change_list.append(['Mz coo: blade2', 'blade2 torsion'])
change_list.append( ['Mx coo: blade3','blade3 flap'] )
change_list.append( ['My coo: blade3','blade3 edeg'] )
change_list.append( ['Mz coo: blade3','blade3 torsion'] )
change_list.append(['Mx coo: blade3', 'blade3 flap'])
change_list.append(['My coo: blade3', 'blade3 edeg'])
change_list.append(['Mz coo: blade3', 'blade3 torsion'])
change_list.append( ['Mx coo: hub1','blade1 out-of-plane'] )
change_list.append( ['My coo: hub1','blade1 in-plane'] )
change_list.append( ['Mz coo: hub1','blade1 torsion'] )
change_list.append(['Mx coo: hub1', 'blade1 out-of-plane'])
change_list.append(['My coo: hub1', 'blade1 in-plane'])
change_list.append(['Mz coo: hub1', 'blade1 torsion'])
change_list.append( ['Mx coo: hub2','blade2 out-of-plane'] )
change_list.append( ['My coo: hub2','blade2 in-plane'] )
change_list.append( ['Mz coo: hub2','blade2 torsion'] )
change_list.append(['Mx coo: hub2', 'blade2 out-of-plane'])
change_list.append(['My coo: hub2', 'blade2 in-plane'])
change_list.append(['Mz coo: hub2', 'blade2 torsion'])
change_list.append( ['Mx coo: hub3','blade3 out-of-plane'] )
change_list.append( ['My coo: hub3','blade3 in-plane'] )
change_list.append( ['Mz coo: hub3','blade3 torsion'] )
change_list.append(['Mx coo: hub3', 'blade3 out-of-plane'])
change_list.append(['My coo: hub3', 'blade3 in-plane'])
change_list.append(['Mz coo: hub3', 'blade3 torsion'])
# this one will create a false positive for tower node nr1
change_list.append( ['Mx coo: tower','tower top momemt FA'] )
change_list.append( ['My coo: tower','tower top momemt SS'] )
change_list.append( ['Mz coo: tower','yaw-moment'] )
change_list.append(['Mx coo: tower', 'tower top momemt FA'])
change_list.append(['My coo: tower', 'tower top momemt SS'])
change_list.append(['Mz coo: tower', 'yaw-moment'])
change_list.append( ['Mx coo: chasis','chasis momemt FA'] )
change_list.append( ['My coo: chasis','yaw-moment chasis'] )
change_list.append( ['Mz coo: chasis','chasis moment SS'] )
change_list.append(['Mx coo: chasis', 'chasis momemt FA'])
change_list.append(['My coo: chasis', 'yaw-moment chasis'])
change_list.append(['Mz coo: chasis', 'chasis moment SS'])
change_list.append( ['DLL inp 2: 2','tower clearance'] )
change_list.append( ['DLL inp 2: 2','tower clearance'])
self.ch_details_new = np.ndarray(shape=(self.Nch,3),dtype='<U100')
self.ch_details_new = np.ndarray(shape=(self.Nch, 3), dtype='<U100')
# approach: look for a specific description and change it.
# This approach is slow, but will not fail if the channel numbers change
......@@ -839,45 +832,7 @@ class LoadResults(ReadHawc2):
Damage equivalent loads for each m value.
"""
try:
sig_rf = rainflow_astm(signal)
except (TypeError) as e:
print(e)
return []
if len(sig_rf) < 1 and not sig_rf:
return []
hist_data, x, bin_avg = rfc_hist(sig_rf, no_bins)
m = np.atleast_1d(m)
eq = []
for i in range(len(m)):
eq.append(np.power(np.sum(0.5 * hist_data *\
np.power(bin_avg, m[i])) / neq, 1. / m[i]))
return eq
# TODO: general signal method, this is not HAWC2 specific, move out
def cycle_matrix(self, signal, no_bins=46, m=[3, 4, 6, 8, 10, 12]):
# import fatigue_tools.fatigue as ft
# cycles, ampl_bin_mean, ampl_bin_edges, mean_bin_mean, mean_edges \
# = ft.cycle_matrix(signal, ampl_bins=no_bins, mean_bins=1,
# rainflow_func=ft.rainflow_windap)
# # in this case eq = sum( n_i*S_i^m )
# return [np.sum(cycles * ampl_bin_mean ** _m) for _m in m]
try:
sig_rf = rainflow_astm(signal)
except:
return []
if len(sig_rf) < 1 and not sig_rf:
return []
hist_data, x, bin_avg = rfc_hist(sig_rf, no_bins)
m = np.atleast_1d(m)
return [np.sum(0.5 * hist_data * bin_avg ** _m) for _m in m]
return eq_load(signal, no_bins=no_bins, m=m, neq=neq)[0]
def blade_deflection(self):
"""
......@@ -886,7 +841,7 @@ class LoadResults(ReadHawc2):
# select all the y deflection channels
db = misc.DictDB(self.ch_dict)
db.search({'sensortype' : 'state pos', 'component' : 'z'})
db.search({'sensortype': 'state pos', 'component': 'z'})
# sort the keys and save the mean values to an array/list
chiz, zvals = [], []
for key in sorted(db.dict_sel.keys()):
......
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment