def setUp(self):
"""
Builds a simple dipping/bending fault source with a characteristic
source model. Compares the curves for four sites, two on the hanging
wall and two on the footwall.
The source model is taken from the PEER Tests
"""
point_order_dipping_east = [Point(-64.78365, -0.45236),
Point(-64.80164, -0.45236),
Point(-64.90498, -0.36564),
Point(-65.0000, -0.16188),
Point(-65.0000, 0.0000)]
trace_dip_east = Line(point_order_dipping_east)
site_1 = Site(Point(-64.98651, -0.15738), 760.0, 48.0, 0.607,
vs30measured=True)
site_2 = Site(Point(-64.77466, -0.45686), 760.0, 48.0, 0.607,
vs30measured=True)
site_3 = Site(Point(-64.92747, -0.38363), 760.0, 48.0, 0.607,
vs30measured=True)
site_4 = Site(Point(-65.05396, -0.17088), 760.0, 48.0, 0.607,
vs30measured=True)
self.sites = SiteCollection([site_1, site_2, site_3, site_4])
self.imtls = {"PGA": [0.001, 0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3,
0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.7, 0.8, 0.9,
1.0]}
fault_surface1 = SimpleFaultSurface.from_fault_data(
trace_dip_east, 0.0, 12.0, 60., 0.5)
mfd1 = EvenlyDiscretizedMFD(6.75, 0.01, [0.01])
tom = PoissonTOM(1.0)
self.sources = [
CharacteristicFaultSource(
"PEER_CHAR_FLT_EAST",
"Peer Bending Fault Dipping East - Characteristic",
"Active Shallow Crust",
mfd1,
tom,
fault_surface1,
90.0)]
# We will check all the GMPEs
self.gsim_set = {
"ASK": [AbrahamsonEtAl2014NSHMPMean(),
(0.185, AbrahamsonEtAl2014NSHMPLower()),
(0.63, AbrahamsonEtAl2014()),
(0.185, AbrahamsonEtAl2014NSHMPUpper())],
"BSSA": [BooreEtAl2014NSHMPMean(),
(0.185, BooreEtAl2014NSHMPLower()),
(0.63, BooreEtAl2014()),
(0.185, BooreEtAl2014NSHMPUpper())],
"CB": [CampbellBozorgnia2014NSHMPMean(),
(0.185, CampbellBozorgnia2014NSHMPLower()),
(0.63, CampbellBozorgnia2014()),
(0.185, CampbellBozorgnia2014NSHMPUpper())],
"CY": [ChiouYoungs2014NSHMPMean(),
(0.185, ChiouYoungs2014NSHMPLower()),
(0.63, ChiouYoungs2014()),
(0.185, ChiouYoungs2014NSHMPUpper())],
"ID": [Idriss2014NSHMPMean(),
(0.185, Idriss2014NSHMPLower()),
(0.63, Idriss2014()),
(0.185, Idriss2014NSHMPUpper())]}
def _setup_fault_source():
"""
Builds a fault source using the PEER Bending Fault case.
"""
point_order_dipping_east = [
Point(-64.78365, -0.45236),
Point(-64.80164, -0.45236),
Point(-64.90498, -0.36564),
Point(-65.0000, -0.16188),
Point(-65.0000, 0.0000)
]
trace_dip_east = Line(point_order_dipping_east)
fault_surface1 = SimpleFaultSurface.from_fault_data(
trace_dip_east, 0.0, 12.0, 60., 1.0)
# Activity Rates
# cm per km2
area = 60. * 12.0 / np.sin(np.radians(60.))
cm2perkm2 = (100. * 1000.)**2.
mo1 = 3.0E11 * 0.2 * (area * cm2perkm2)
mo_m6p75 = 10.0**(16.05 + 1.5 * 6.75)
rate1 = mo1 / mo_m6p75
mfd1 = EvenlyDiscretizedMFD(6.75, 0.01, [rate1])
tom = PoissonTOM(1.0)
aspect = 2.0
rake = 90.0
src = SimpleFaultSource("PEER_FLT_EAST", "PEER Bending Fault Dipping East",
"Active Shallow Crust", mfd1, 1.0, PeerMSR(), 2.0,
tom, 0.0, 12.0, trace_dip_east, 60.0, rake)
src.num_ruptures = src.count_ruptures()
return src
def fault_shapefile_to_dictionary(filename, mesh_spacing=1.0):
"""
"""
sf = shapefile.Reader(filename)
data = []
fields = [val[0] for val in sf.fields[1:]]
for rec in sf.shapeRecords():
rec_data = dict([(field, rec.record[i])
for i, field in enumerate(fields)])
# Parse geometry
rec_data["geometry"] = np.array(rec.shape.points)
data.append(rec_data)
# Cleanup dict
cleaned_data = []
for rec in data:
cleaned_rec = {}
cleaned_rec["ID"] = rec["IDSOURCE"]
cleaned_rec["dip"] = (rec["DIPMIN"], rec["DIPMAX"])
cleaned_rec["name"] = rec["SOURCENAME"]
cleaned_rec["rake"] = (rec["RAKEMIN"], rec["RAKEMAX"])
cleaned_rec["LSD"] = rec["MAXDEPTH"]
cleaned_rec["USD"] = rec["MINDEPTH"]
cleaned_rec["slip"] = (rec["SRMIN"], rec["SRMAX"])
# Build surfaces
cleaned_rec["trace"] = Line(
[Point(row[0], row[1]) for row in rec["geometry"]])
cleaned_rec["surfaces"] = (
SimpleFaultSurface.from_fault_data(
cleaned_rec["trace"],
cleaned_rec["USD"],
cleaned_rec["LSD"],
cleaned_rec["dip"][1], # Highest dip -> smallest area
mesh_spacing),
SimpleFaultSurface.from_fault_data(
cleaned_rec["trace"],
cleaned_rec["USD"],
cleaned_rec["LSD"],
cleaned_rec["dip"][0], # Lowest dip -> largest area
mesh_spacing))
cleaned_data.append(cleaned_rec)
return cleaned_data
def simple_fault_surface_from_dict(data, mesh_spacing=1.):
"""
Builds a simple fault surface from the json load
"""
assert "SimpleFaultSurface" in data
trace = []
for lon, lat in data["trace"]:
trace.append(Point(lon, lat, 0.0))
trace = Line(trace)
return SimpleFaultSurface.from_fault_data(trace, data["upperSeismoDepth"],
data["lowerSeismoDepth"],
data["dip"], mesh_spacing)
def trace_to_surface(trace, **kwargs):
coords = trace['geometry']['coordinates'][0]
point_list = [Point(*c) for c in coords]
sfs_args = kwargs
if 'dip' not in sfs_args:
sfs_args['dip'] = trace['properties']['dip']
sfs = SimpleFaultSurface.from_fault_data(fault_trace=Line(point_list),
**sfs_args)
return sfs
def simple_fault_surface_from_dict(data, mesh_spacing=1.):
"""
Builds a simple fault surface from the json load
"""
assert "SimpleFaultSurface" in data
trace = []
for lon, lat in data["trace"]:
trace.append(Point(lon, lat, 0.0))
trace = Line(trace)
return SimpleFaultSurface.from_fault_data(trace, data["upperSeismoDepth"],
data["lowerSeismoDepth"],
data["dip"], mesh_spacing)
def _setup_peer_test_bending_fault_config():
"""
The GC2 tests will be based on variations of the PEER bending fault
test case:
(Fault is dipping east north east
Point 5 (-65.0, 0.0, 0.0)
o
|
|
|
o Point 4 (-65.0, -0.16188, 0)
\
\
\
\
\
o Point 3 (-64.90498, -0.36564, 0.0)
\__
\__
\__
\__
\__Point 2 (-64.80164, -0.45236, 0.0)
\o---o Point 1 (-64.78365, -0.45236, 0.0)
"""
# Build separate faults
# Get down-dip points - dipping east-noth-east
strike1 = PNT1.azimuth(PNT2)
dipdir1 = (strike1 + 90.) % 360.0
strike2 = PNT2.azimuth(PNT3)
dipdir2 = (strike2 + 90.) % 360.0
strike3 = PNT3.azimuth(PNT4)
dipdir3 = (strike3 + 90.) % 360.0
strike4 = PNT4.azimuth(PNT5)
dipdir4 = (strike4 + 90.) % 360.0
global_strike = PNT1.azimuth(PNT5)
global_dipdir = (global_strike + 90.) % 360.0
# Get lower trace
usd = 0.0
lsd = 12.0
dip = 60.0
as_length = lsd / numpy.tan(numpy.radians(dip))
PNT1b = PNT1.point_at(as_length, lsd, global_dipdir)
PNT2b = PNT2.point_at(as_length, lsd, global_dipdir)
PNT3b = PNT3.point_at(as_length, lsd, global_dipdir)
PNT4b = PNT4.point_at(as_length, lsd, global_dipdir)
PNT5b = PNT5.point_at(as_length, lsd, global_dipdir)
# As simple fault dipping east
mesh_spacing = 0.5
simple_fault1 = SimpleFaultSurface.from_fault_data(
Line([PNT1, PNT2, PNT3, PNT4, PNT5]), usd, lsd, dip, mesh_spacing)
# As a set of planes describing a concordant "Stirling fault"
stirling_planes = [
PlanarSurface.from_corner_points(PNT1, PNT2, PNT2b, PNT1b),
PlanarSurface.from_corner_points(PNT2, PNT3, PNT3b, PNT2b),
PlanarSurface.from_corner_points(PNT3, PNT4, PNT4b, PNT3b),
PlanarSurface.from_corner_points(PNT4, PNT5, PNT5b, PNT4b)
]
stirling_fault1 = MultiSurface(stirling_planes)
# As a set of planes describing a concordant "Frankel Fault"
# In the Frankel fault each segment is projected to the local dip direction
dipdir2b = (dipdir2 + 180.) % 360.0
frankel_planes = [
PlanarSurface.from_corner_points(
PNT1, PNT2, PNT2.point_at(as_length, lsd, dipdir1),
PNT1.point_at(as_length, lsd, dipdir1)),
PlanarSurface.from_corner_points(
PNT2, PNT3, PNT3.point_at(as_length, lsd, dipdir2),
PNT2.point_at(as_length, lsd, dipdir2)),
PlanarSurface.from_corner_points(
PNT3, PNT4, PNT4.point_at(as_length, lsd, dipdir3),
PNT3.point_at(as_length, lsd, dipdir3)),
PlanarSurface.from_corner_points(
PNT4, PNT5, PNT5.point_at(as_length, lsd, dipdir4),
PNT4.point_at(as_length, lsd, dipdir4))
]
frankel_fault1 = MultiSurface(frankel_planes)
# Test the case of a discordant Frankel plane
# Swapping the strike of the second segment to change the dip direction
# Also increasing the dip from 60 degrees to 75 degrees
as_length_alt = lsd / numpy.tan(numpy.radians(75.0))
frankel_discordant = [
PlanarSurface.from_corner_points(
PNT1, PNT2, PNT2.point_at(as_length, lsd, dipdir1),
PNT1.point_at(as_length, lsd, dipdir1)),
PlanarSurface.from_corner_points(
PNT3, PNT2, PNT2.point_at(as_length_alt, lsd, dipdir2b),
PNT3.point_at(as_length_alt, lsd, dipdir2b)),
PlanarSurface.from_corner_points(
PNT3, PNT4, PNT4.point_at(as_length, lsd, dipdir3),
PNT3.point_at(as_length, lsd, dipdir3)),
PlanarSurface.from_corner_points(
PNT4, PNT5, PNT5.point_at(as_length, lsd, dipdir4),
PNT4.point_at(as_length, lsd, dipdir4))
]
frankel_fault2 = MultiSurface(frankel_discordant)
return simple_fault1, stirling_fault1, frankel_fault1, frankel_fault2
def _setup_peer_test_bending_fault_config():
"""
The GC2 tests will be based on variations of the PEER bending fault
test case:
(Fault is dipping east north east
Point 5 (-65.0, 0.0, 0.0)
o
|
|
|
o Point 4 (-65.0, -0.16188, 0)
\
\
\
\
\
o Point 3 (-64.90498, -0.36564, 0.0)
\__
\__
\__
\__
\__Point 2 (-64.80164, -0.45236, 0.0)
\o---o Point 1 (-64.78365, -0.45236, 0.0)
"""
# Build separate faults
# Get down-dip points - dipping east-noth-east
strike1 = PNT1.azimuth(PNT2)
dipdir1 = (strike1 + 90.) % 360.0
strike2 = PNT2.azimuth(PNT3)
dipdir2 = (strike2 + 90.) % 360.0
strike3 = PNT3.azimuth(PNT4)
dipdir3 = (strike3 + 90.) % 360.0
strike4 = PNT4.azimuth(PNT5)
dipdir4 = (strike4 + 90.) % 360.0
global_strike = PNT1.azimuth(PNT5)
global_dipdir = (global_strike + 90.) % 360.0
# Get lower trace
usd = 0.0
lsd = 12.0
dip = 60.0
as_length = lsd / numpy.tan(numpy.radians(dip))
PNT1b = PNT1.point_at(as_length, lsd, global_dipdir)
PNT2b = PNT2.point_at(as_length, lsd, global_dipdir)
PNT3b = PNT3.point_at(as_length, lsd, global_dipdir)
PNT4b = PNT4.point_at(as_length, lsd, global_dipdir)
PNT5b = PNT5.point_at(as_length, lsd, global_dipdir)
# As simple fault dipping east
mesh_spacing = 0.5
simple_fault1 = SimpleFaultSurface.from_fault_data(
Line([PNT1, PNT2, PNT3, PNT4, PNT5]), usd, lsd, dip, mesh_spacing)
# As a set of planes describing a concordant "Stirling fault"
stirling_planes = [
PlanarSurface.from_corner_points(1.0, PNT1, PNT2, PNT2b, PNT1b),
PlanarSurface.from_corner_points(1.0, PNT2, PNT3, PNT3b, PNT2b),
PlanarSurface.from_corner_points(1.0, PNT3, PNT4, PNT4b, PNT3b),
PlanarSurface.from_corner_points(1.0, PNT4, PNT5, PNT5b, PNT4b)
]
stirling_fault1 = MultiSurface(stirling_planes)
# As a set of planes describing a concordant "Frankel Fault"
# In the Frankel fault each segment is projected to the local dip direction
dipdir2b = (dipdir2 + 180.) % 360.0
frankel_planes = [
PlanarSurface.from_corner_points(
1.0, PNT1, PNT2,
PNT2.point_at(as_length, lsd, dipdir1),
PNT1.point_at(as_length, lsd, dipdir1)
),
PlanarSurface.from_corner_points(
1.0, PNT2, PNT3,
PNT3.point_at(as_length, lsd, dipdir2),
PNT2.point_at(as_length, lsd, dipdir2)
),
PlanarSurface.from_corner_points(
1.0, PNT3, PNT4,
PNT4.point_at(as_length, lsd, dipdir3),
PNT3.point_at(as_length, lsd, dipdir3)
),
PlanarSurface.from_corner_points(
1.0, PNT4, PNT5,
PNT5.point_at(as_length, lsd, dipdir4),
PNT4.point_at(as_length, lsd, dipdir4)
)
]
frankel_fault1 = MultiSurface(frankel_planes)
# Test the case of a discordant Frankel plane
# Swapping the strike of the second segment to change the dip direction
# Also increasing the dip from 60 degrees to 75 degrees
as_length_alt = lsd / numpy.tan(numpy.radians(75.0))
frankel_discordant = [
PlanarSurface.from_corner_points(
1.0, PNT1, PNT2,
PNT2.point_at(as_length, lsd, dipdir1),
PNT1.point_at(as_length, lsd, dipdir1)
),
PlanarSurface.from_corner_points(
1.0, PNT3, PNT2,
PNT2.point_at(as_length_alt, lsd, dipdir2b),
PNT3.point_at(as_length_alt, lsd, dipdir2b)
),
PlanarSurface.from_corner_points(
1.0, PNT3, PNT4,
PNT4.point_at(as_length, lsd, dipdir3),
PNT3.point_at(as_length, lsd, dipdir3)
),
PlanarSurface.from_corner_points(
1.0, PNT4, PNT5,
PNT5.point_at(as_length, lsd, dipdir4),
PNT4.point_at(as_length, lsd, dipdir4)
)
]
frankel_fault2 = MultiSurface(frankel_discordant)
return simple_fault1, stirling_fault1, frankel_fault1, frankel_fault2
def setUp(self):
"""
Builds a simple dipping/bending fault source with a characteristic
source model. Compares the curves for four sites, two on the hanging
wall and two on the footwall.
The source model is taken from the PEER Tests
"""
point_order_dipping_east = [
Point(-64.78365, -0.45236),
Point(-64.80164, -0.45236),
Point(-64.90498, -0.36564),
Point(-65.0000, -0.16188),
Point(-65.0000, 0.0000)
]
trace_dip_east = Line(point_order_dipping_east)
site_1 = Site(Point(-64.98651, -0.15738), 760.0, True, 48.0, 0.607)
site_2 = Site(Point(-64.77466, -0.45686), 760.0, True, 48.0, 0.607)
site_3 = Site(Point(-64.92747, -0.38363), 760.0, True, 48.0, 0.607)
site_4 = Site(Point(-65.05396, -0.17088), 760.0, True, 48.0, 0.607)
self.sites = SiteCollection([site_1, site_2, site_3, site_4])
self.imtls = {
"PGA": [
0.001, 0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45,
0.5, 0.55, 0.6, 0.7, 0.8, 0.9, 1.0
]
}
fault_surface1 = SimpleFaultSurface.from_fault_data(
trace_dip_east, 0.0, 12.0, 60., 0.5)
mfd1 = EvenlyDiscretizedMFD(6.75, 0.01, [0.01])
tom = PoissonTOM(1.0)
self.sources = [
CharacteristicFaultSource(
"PEER_CHAR_FLT_EAST",
"Peer Bending Fault Dipping East - Characteristic",
"Active Shallow Crust", mfd1, tom, fault_surface1, 90.0)
]
# We will check all the GMPEs
self.gsim_set = {
"ASK": [
AbrahamsonEtAl2014NSHMPMean(),
(0.185, AbrahamsonEtAl2014NSHMPLower()),
(0.63, AbrahamsonEtAl2014()),
(0.185, AbrahamsonEtAl2014NSHMPUpper())
],
"BSSA": [
BooreEtAl2014NSHMPMean(), (0.185, BooreEtAl2014NSHMPLower()),
(0.63, BooreEtAl2014()), (0.185, BooreEtAl2014NSHMPUpper())
],
"CB": [
CampbellBozorgnia2014NSHMPMean(),
(0.185, CampbellBozorgnia2014NSHMPLower()),
(0.63, CampbellBozorgnia2014()),
(0.185, CampbellBozorgnia2014NSHMPUpper())
],
"CY": [
ChiouYoungs2014NSHMPMean(),
(0.185, ChiouYoungs2014NSHMPLower()),
(0.63, ChiouYoungs2014()), (0.185, ChiouYoungs2014NSHMPUpper())
],
"ID": [
Idriss2014NSHMPMean(), (0.185, Idriss2014NSHMPLower()),
(0.63, Idriss2014()), (0.185, Idriss2014NSHMPUpper())
]
}
