def _get_elastomer_law(self):
elastomer_path = os.path.join(simdb.exdata_dir, 'bending_tests', 'three_point', '2011-06-10_BT-3PT-12c-6cm-0-TU_ZiE', 'elastomer_f-w.raw')
_data_array_elastomer = loadtxt_bending(elastomer_path)
# force [kN]:
# NOTE: after conversion 'F_elastomer' is a positive value
#
F_elastomer = -0.001 * _data_array_elastomer[:, 2].flatten()
# displacement [mm]:
# NOTE: after conversion 'w_elastomer' is a positive value
#
w_elastomer = -1.0 * _data_array_elastomer[:, 0].flatten()
mfn_displacement_elastomer = MFnLineArray(xdata=F_elastomer, ydata=w_elastomer)
return frompyfunc(mfn_displacement_elastomer.get_value, 1, 1)
def _get_elastomer_law(self):
elastomer_path = os.path.join(simdb.exdata_dir, 'bending_tests',
'three_point',
'2011-06-10_BT-3PT-12c-6cm-0-TU_ZiE',
'elastomer_f-w.raw')
_data_array_elastomer = loadtxt_bending(elastomer_path)
# force [kN]:
# NOTE: after conversion 'F_elastomer' is a positive value
#
F_elastomer = -0.001 * _data_array_elastomer[:, 2].flatten()
# displacement [mm]:
# NOTE: after conversion 'w_elastomer' is a positive value
#
w_elastomer = -1.0 * _data_array_elastomer[:, 0].flatten()
mfn_displacement_elastomer = MFnLineArray(xdata=F_elastomer,
ydata=w_elastomer)
return frompyfunc(mfn_displacement_elastomer.get_value, 1, 1)
def _read_data_array(self):
''' Read the experiment data.
'''
if exists(self.data_file):
print 'READ FILE'
file_split = self.data_file.split('.')
# first check if a '.csv' file exists. If yes use the
# data stored in the '.csv'-file and ignore
# the data in the '.raw' file!
#
file_name = file_split[0] + '.csv'
if not os.path.exists(file_name):
file_name = file_split[0] + '.raw'
if not os.path.exists(file_name):
raise IOError, 'file %s does not exist' % file_name
print 'file_name', file_name
_data_array = loadtxt_bending(file_name)
self.data_array = _data_array
# check if a '.ASC'-file exists. If yes append this information
# to the data array.
#
file_name = file_split[0] + '.ASC'
if not os.path.exists(file_name):
print 'NOTE: no data from displacement gauge is available (no .ASC file)'
self.flag_ASC_file = False
else:
print 'NOTE: additional data from displacement gauge for center deflection is available (.ASC-file loaded)!'
self.flag_ASC_file = True
# add data array read in from .ASC-file; the values are assigned by '_set_array_attribs' based on the
# read in values in 'names_and_units' read in from the corresponding .DAT-file
#
self.data_array_ASC = loadtxt(file_name, delimiter=';')
else:
print 'WARNING: data_file with path %s does not exist == False' % (
self.data_file)
def _read_data_array(self):
''' Read the experiment data.
'''
if exists(self.data_file):
print 'READ FILE'
file_split = self.data_file.split('.')
# first check if a '.csv' file exists. If yes use the
# data stored in the '.csv'-file and ignore
# the data in the '.raw' file!
#
file_name = file_split[0] + '.csv'
if not os.path.exists(file_name):
file_name = file_split[0] + '.raw'
if not os.path.exists(file_name):
raise IOError, 'file %s does not exist' % file_name
print 'file_name', file_name
_data_array = loadtxt_bending(file_name)
self.data_array = _data_array
# check if a '.ASC'-file exists. If yes append this information
# to the data array.
#
file_name = file_split[0] + '.ASC'
if not os.path.exists(file_name):
print 'NOTE: no data from displacement gauge is available (no .ASC file)'
self.flag_ASC_file = False
else:
print 'NOTE: additional data from displacement gauge for center deflection is available (.ASC-file loaded)!'
self.flag_ASC_file = True
# add data array read in from .ASC-file; the values are assigned by '_set_array_attribs' based on the
# read in values in 'names_and_units' read in from the corresponding .DAT-file
#
self.data_array_ASC = loadtxt(file_name,
delimiter=';')
else:
print 'WARNING: data_file with path %s does not exist == False' % (self.data_file)
